Compare supplement prices

• Mass gainers28 products$2.12lowest
  per 30 giPowders with lots of carbs plus protein – many calories per shake. They make it easier to eat more than you burn, which you need to gain weight.Not medical advice.
• Meal replacement shakes21 products$2.42lowest
  per 400 kcaliA meal in a shake or bar: protein, carbs, fat, vitamins and minerals. It gives your body the basics of a meal when there’s no time to cook.Not medical advice.
• Protein bars92 products$1.71lowest
  per 20 giSnack bars with extra protein, usually from milk or soy. Your body uses protein to build and repair muscle and other tissue.Not medical advice.
• Protein powder803 products$0.65lowest
  per 30 giProtein from milk, plants, eggs or beef as a powder for shakes. Your body uses protein to build and repair muscle, skin, bones and much more.Not medical advice.
• Protein shakes (ready to drink)16 products$2.80lowest
  per 30 giReady-to-drink protein shakes in bottles or cartons. Your body uses protein to build and repair muscle and other tissue.Not medical advice.
• Protein snacks31 products$2.33lowest
  per 20 giChips, cookies, puddings and spreads with extra protein. Your body uses protein to build and repair muscle and other tissue.Not medical advice.

• 5-HTP61 products6.4¢lowest
  per 100 mgiA substance made from the seeds of an African plant. Your body turns it into serotonin, a brain messenger linked to mood and sleep.Not medical advice.
• Agmatine sulfate22 products1.8¢lowest
  per 500 mgiA substance the body makes from the amino acid arginine. It works as a messenger in the nerves – studies in people are few.Not medical advice.
• BCAAs143 products$0.19lowest
  per 5 giThree of the nine essential amino acids: leucine, isoleucine and valine. Muscles use them to build protein – but only together with the other six.Not medical advice.
• Citrulline65 products$0.23lowest
  per 6 giAn amino acid first found in watermelon. Your body turns it into arginine, which helps blood vessels widen – often taken before a workout.Not medical advice.
• Essential amino acids (EAA)64 products$0.66lowest
  per 10 giThe nine amino acids your body can’t make itself, so they must come from food. Your body needs all nine to build new protein, for example in muscle.Not medical advice.
• GABA61 products1.7¢lowest
  per 500 mgiA messenger in the brain that calms nerve signals. Whether GABA from a pill reaches the brain is still unclear.Not medical advice.
• Glycine54 products9¢lowest
  per 3 giThe smallest amino acid – about a third of collagen is glycine. Your body uses it to build collagen and as a calming messenger in the nerves.Not medical advice.
• L-arginine110 products$0.11lowest
  per 3 giAn amino acid from meat, nuts and seeds. Your body uses it to make nitric oxide, a gas that helps blood vessels widen.Not medical advice.
• L-carnitine129 products6.1¢lowest
  per 1,000 mgiA substance from red meat that the body also makes itself. It carries fat into the cells’ power plants – extra carnitine isn’t shown to burn more fat.Not medical advice.
• L-carnosine28 products9.9¢lowest
  per 500 mgiTwo amino acids joined together, found mostly in muscle. It buffers the acid that builds up in muscles during hard exercise.Not medical advice.
• L-glutamine134 products$0.15lowest
  per 5 giThe most common amino acid in the body. Cells in the gut and the immune system use it as fuel – most people make enough themselves.Not medical advice.
• L-leucine20 products$0.11lowest
  per 3 giOne of the nine essential amino acids, found in all protein foods. It’s the signal that tells muscles to start building new protein.Not medical advice.
• L-lysine78 products2.2¢lowest
  per 1,000 mgiAn essential amino acid from meat, fish, dairy and beans. Your body needs it to build protein and to make collagen and carnitine.Not medical advice.
• L-methionine16 products1.6¢lowest
  per 500 mgiAn essential amino acid with sulfur in it, from meat, fish, eggs and nuts. The body uses it to build proteins and to make other sulfur compounds it needs.Not medical advice.
• L-ornithine19 products4.3¢lowest
  per 1,000 mgiAn amino acid the body makes itself, not used to build protein. It helps the liver get rid of ammonia, a waste product from protein.Not medical advice.
• L-proline16 products2.8¢lowest
  per 500 mgiAn amino acid the body makes itself and also gets from meat, eggs and dairy. It is one of the main building blocks of collagen, the protein in skin, tendons and bones.Not medical advice.
• L-serine18 products2.1¢lowest
  per 500 mgiAn amino acid the body makes itself and also gets from soy, eggs and meat. It helps build proteins and the fats that make up cell walls, especially in the brain.Not medical advice.
• L-theanine83 products1.1¢lowest
  per 200 mgiAn amino acid from tea leaves. Taken to feel calm but alert – studies are small, but look positive.Not medical advice.
• L-threonine7 products1.4¢lowest
  per 500 mgiAn essential amino acid – the body can’t make it, so it comes from food like meat, dairy, eggs and lentils. The body uses it to build proteins, including collagen.Not medical advice.
• L-tryptophan35 products3.2¢lowest
  per 500 mgiAn essential amino acid from milk, poultry and oats. Your body uses it to make serotonin and melatonin, which play a part in mood and sleep.Not medical advice.
• L-tyrosine61 products1.7¢lowest
  per 500 mgiAn amino acid from protein foods. Your body uses it to make dopamine and adrenaline (brain messengers) and thyroid hormones.Not medical advice.
• NAC (N-acetyl cysteine)104 products2.5¢lowest
  per 600 mgiA form of the amino acid cysteine. Your body uses it to make glutathione, its own main protection against cell damage.Not medical advice.
• Phenylalanine26 products1.8¢lowest
  per 500 mgiAn essential amino acid from meat, fish, dairy and soy. The body turns it into tyrosine, another amino acid. People with phenylketonuria (PKU) must avoid it.Not medical advice.
• Taurine78 products2.2¢lowest
  per 1 giA substance from meat and fish, also added to energy drinks. The heart, muscles and eyes hold a lot of it – it helps cells balance water and salts.Not medical advice.

• Beetroot & nitrate1 product$0.30lowest
  per 400 mgiNitrate from beetroot, as juice, shots or powder. Your body turns it into nitric oxide – in studies, muscles then need a bit less oxygen for the same work.Not medical advice.
• Beta-alanine40 products$0.10lowest
  per 4 giAn amino acid your body turns into carnosine, which buffers acid in muscles during hard efforts of 1–4 minutes. A harmless skin tingle is common.Not medical advice.
• Betaine (TMG)42 products8¢lowest
  per 2.5 giA substance from beets, spinach and wheat, also called TMG. The liver uses it to recycle an amino acid that shouldn’t build up in the blood.Not medical advice.
• Caffeine24 products3.8¢lowest
  per 200 mgiThe stimulant in coffee and tea, here as tablets, capsules or gum. It blocks the brain’s tiredness signal, so you feel more awake.Not medical advice.
• Creatine388 products9.5¢lowest
  per 5 giA substance from meat and fish that the body also makes itself. Muscles use it for quick energy in short, hard efforts like sprints or lifting.Not medical advice.
• D-ribose36 products$0.19lowest
  per 5 giA sugar your body uses to build ATP, the energy molecule in every cell. Whether extra ribose helps healthy people is unclear.Not medical advice.
• Glycerol1 product$2.00lowest
  per 20 giA sweet, syrupy liquid, also called glycerin. Athletes take it to help the body hold on to more water before long events in the heat.Not medical advice.
• HMB19 products$0.19lowest
  per 3 giA substance the body makes from the amino acid leucine. Studied for slowing muscle breakdown – mostly in older or untrained people.Not medical advice.
• Ketone supplements17 products$1.13lowest
  per 10 giThe fuel your body makes from fat when you eat almost no carbs, here as salts or drinks. They give cells an extra energy source – studies in sport are mixed.Not medical advice.
• Pre-workout233 products$0.38lowest
  per servingiA mix taken before training, usually caffeine to feel awake plus citrulline or beta-alanine. What it does depends on the mix – check the caffeine.Not medical advice.
• Sodium bicarbonate3 products$1.33lowest
  per 20 giBaking soda – the same as in the kitchen. It buffers acid in the blood during hard efforts of 1–10 minutes, but can upset the stomach.Not medical advice.

• Carbohydrate powders16 products$0.60lowest
  per 50 giCarbohydrate powders like maltodextrin or dextrose, mixed into drinks. Carbs are the muscles’ main fuel in hard and long training.Not medical advice.
• Energy & sports bars11 products$1.60lowest
  per 40 giBars made mostly of carbs, often from oats, fruit or rice. Easy fuel for the muscles before or during long training.Not medical advice.
• Energy chews & sports confectionery2 products$1.45lowest
  per 25 giGummies and blocks with sugars, made for sport. Like gels, they give quick fuel during long training.Not medical advice.
• Energy gels5 products$1.56lowest
  per 25 giSmall packs of thick, sugary gel. They give quick fuel during long runs or rides, when the body’s carb stores run low.Not medical advice.

• Biotin (vitamin B7)189 products0.55¢lowest
  per 1,000 µgiA B vitamin (B7) from eggs, nuts and seeds. Your body needs it to get energy from food and for hair and skin. High doses can upset some blood tests.Not medical advice.
• Eye formulas (AREDS 2 type)55 products$0.19lowest
  per servingiVitamins C and E, zinc, copper, lutein and zeaxanthin, mixed as in a large US eye study (AREDS 2). The center of the eye stores lutein and zeaxanthin as a filter for blue light.Not medical advice.
• Folate (folic acid, B9)131 products0.81¢lowest
  per 400 µgiA B vitamin (B9) from leafy greens and beans – folic acid in pills. Your body needs it to make new cells and blood, especially in early pregnancy.Not medical advice.
• Hair, skin & nails formulas161 products$0.12lowest
  per servingiMixes built around biotin, often with collagen and other vitamins. Hair, skin and nails need these nutrients to grow – extra helps only if you lack them.Not medical advice.
• Multivitamins1,075 products3.9¢lowest
  per servingiMany vitamins and minerals in one tablet, capsule or gummy. They cover the basics in case your food is missing a few nutrients.Not medical advice.
• Vitamin A73 products0.89¢lowest
  per 1,000 µgiA vitamin from liver, dairy and orange vegetables (as beta-carotene). Your body needs it to see in dim light, for the skin and the immune system.Not medical advice.
• Vitamin B complex293 products6.9¢lowest
  per servingiAll eight B vitamins in one product. Your body needs them to get energy from food and for the nerves and blood.Not medical advice.
• Vitamin B1 (thiamine)67 products0.93¢lowest
  per 100 mgiA B vitamin, also called thiamine, from whole grains, pork and beans. Your body needs it to turn carbs into energy and for the nerves and heart.Not medical advice.
• Vitamin B12245 products1.9¢lowest
  per 1,000 µgiA B vitamin found almost only in animal foods, so vegans need it from pills or fortified food. Your body needs it for blood and nerves.Not medical advice.
• Vitamin B2 (riboflavin)47 products1¢lowest
  per 100 mgiA B vitamin, also called riboflavin, from milk, eggs and meat. Your body needs it to get energy from food. It turns urine bright yellow – harmless.Not medical advice.
• Vitamin B3 (niacin)117 products6.4¢lowest
  per 25 mgiA B vitamin, also called niacin, from meat, fish and grains. Your body needs it to get energy from food. Niacin (not niacinamide) can cause a hot, red flush.Not medical advice.
• Vitamin B5 (pantothenic acid)36 products7.6¢lowest
  per 500 mgiA B vitamin found in almost all foods, so a shortage is rare. Your body needs it to get energy from food and to make some hormones.Not medical advice.
• Vitamin B680 products0.4¢lowest
  per 10 mgiA B vitamin from fish, poultry, potatoes and bananas. Your body needs it to use protein and for the nerves. Too much for a long time can harm the nerves.Not medical advice.
• Vitamin C447 products1.2¢lowest
  per 500 mgiA vitamin from fruit and vegetables, also called ascorbic acid. Your body needs it for the immune system, for collagen in skin and gums, and to take up iron.Not medical advice.
• Vitamin D531 products1.2¢lowest
  per 25 µgiThe “sunshine vitamin” – the skin makes it in sunlight. Your body needs it to take up calcium for bones and teeth, and for muscles and the immune system.Not medical advice.
• Vitamin D3 + K2187 products4.5¢lowest
  per 25 µgiVitamin D3 and K2 in one product. Vitamin D helps your body take up calcium, vitamin K2 helps build it into bone.Not medical advice.
• Vitamin E134 products1.6¢lowest
  per 100 mgiA vitamin from nuts, seeds and plant oils. It protects the fats in your cells from damage.Not medical advice.
• Vitamin K (K1 & K2)113 products0.96¢lowest
  per 100 µgiK1 comes from green vegetables, K2 from fermented foods. Your body needs it for blood clotting and bones. Ask a doctor first if you take blood thinners.Not medical advice.

Good to know: For minerals we count the elemental amount from the facts panel – not the weight of the compound on the front.

• Boron21 products1.7¢lowest
  per 3 mgiA trace mineral from fruit, nuts and beans. It plays a part in how the body uses calcium, magnesium and vitamin D – but it isn’t proven to be essential.Not medical advice.
• Calcium88 products2.5¢lowest
  per 500 mgiA mineral from dairy, tofu and leafy greens. Your body needs it to build bones and teeth, and for muscles and nerves.Not medical advice.
• Chromium75 products0.82¢lowest
  per 200 µgiA mineral found in tiny amounts in many foods. It helps insulin move sugar from the blood into the cells.Not medical advice.
• Copper22 products3.7¢lowest
  per 2 mgiA mineral from shellfish, nuts and organ meats. Your body needs it for blood, nerves and the immune system. Lots of zinc lowers copper.Not medical advice.
• Electrolytes271 products$0.22lowest
  per 500 mgiSalts like sodium, potassium and magnesium as powder, tablets or drops. They replace what you lose in sweat. We compare them by sodium.Not medical advice.
• Iodine52 products0.14¢lowest
  per 150 µgiA mineral from seafood, dairy and iodized salt. Your thyroid needs it to make the hormones that control how your body uses energy.Not medical advice.
• Iron108 products1.5¢lowest
  per 18 mgiA mineral from meat, beans and leafy greens. Your body needs it to make red blood cells, which carry oxygen. Take it only if you need it – too much is harmful.Not medical advice.
• Magnesium627 products1.6¢lowest
  per 200 mgiA mineral from nuts, seeds, whole grains and greens. Your body needs it for muscles, nerves, bones and to make energy.Not medical advice.
• Manganese18 products2.2¢lowest
  per 5 mgiA mineral from nuts, whole grains and tea. Your body needs small amounts for bones, connective tissue and to get energy from food.Not medical advice.
• Molybdenum11 products1¢lowest
  per 100 µgiA mineral from beans, grains and nuts. Your body needs tiny amounts to break down some amino acids and waste products.Not medical advice.
• Potassium84 products0.34¢lowest
  per 100 mgiA mineral and electrolyte from fruit, vegetables and beans. Your body needs it for muscles, nerves and normal blood pressure. US pills hold only up to 99 mg.Not medical advice.
• Selenium78 products2¢lowest
  per 100 µgiA mineral from Brazil nuts, fish and eggs. Your body needs it for the thyroid, the immune system and to protect cells from damage.Not medical advice.
• Silica3 products2.1¢lowest
  per 10 mgiSilicon bound to oxygen – the same compound as in quartz and sand. In supplements it mostly comes from horsetail or bamboo. Bones, skin and hair contain silicon; its role is still being studied.Not medical advice.
• Strontium13 products$0.11lowest
  per 340 mgiA mineral very similar to calcium, which the body builds into bone. Taken for bones – studies on supplements are few.Not medical advice.
• Trace mineral drops75 products8.9¢lowest
  per servingiLiquid drops with many minerals in small amounts, often from salt lake water. They add a little of each mineral to your drinks.Not medical advice.
• Vanadium4 products0.75¢lowest
  per 100 µgiA trace mineral, mostly sold as vanadyl sulfate. It isn’t known to be essential; studied for blood sugar, with little good evidence.Not medical advice.
• Zinc202 products0.11¢lowest
  per 10 mgiA mineral from meat, shellfish and seeds. Your body needs it for the immune system, skin and hair.Not medical advice.

• Black seed oil66 products4.3¢lowest
  per 1,000 mgiOil from black cumin seeds, a spice in Middle Eastern cooking. Used in folk medicine for centuries – modern studies are mostly small.Not medical advice.
• CLA39 products8.8¢lowest
  per 1,000 mgiA group of fats from beef and dairy. Sold for losing body fat – in studies the effect in people is very small.Not medical advice.
• Flaxseed oil64 products3.7¢lowest
  per 1,000 mgiOil from flax seeds with the plant omega-3 fat ALA. Your body turns only a small part of it into EPA and DHA, the omega-3s in fish oil.Not medical advice.
• GLA oils58 products7.3¢lowest
  per 100 mgiOils from evening primrose, borage or blackcurrant seeds with the omega-6 fat GLA. Taken mostly for the skin – studies are mixed.Not medical advice.
• MCT oil & powder76 products$0.40lowest
  per 15 giFats from coconut or palm oil that are digested faster than other fats. The liver quickly turns them into energy and ketones.Not medical advice.
• Omega 3-6-9 blends21 products$0.86lowest
  per 1,000 mgiBlends of fish and plant oils with omega-3, -6 and -9 fats. Most people get plenty of omega-6 and -9 from food – omega-3 is the part often missing.Not medical advice.
• Omega-3640 products$0.19lowest
  per 1,000 mgiThe omega-3 fats EPA and DHA from fish, krill or algae oil. Your body uses them for the heart, brain and eyes. We compare by EPA + DHA, not by oil.Not medical advice.
• Pumpkin seed oil17 products6.1¢lowest
  per 1,000 mgiOil pressed from pumpkin seeds. Taken mostly by men for the bladder and prostate – studies are small.Not medical advice.
• Sea buckthorn oil24 products$0.12lowest
  per 1,000 mgiOil from the orange berries or seeds of the sea buckthorn shrub. Taken for skin and dry eyes – studies are small.Not medical advice.

• Chondroitin8 products7.8¢lowest
  per 1,000 mgiA building block of cartilage, made from animal cartilage. Taken for joints, often with glucosamine – study results are mixed.Not medical advice.
• Cissus quadrangularis8 products9.7¢lowest
  per 500 mgiA climbing plant from Asia and Africa. Used in Indian medicine for bones and joints – studies in people are few.Not medical advice.
• Collagen peptides197 products$0.38lowest
  per 10 giProtein from animal skin, bones or fish skin, cut into small pieces. Collagen holds skin, tendons and bones together – your body digests it and can use the pieces to make its own.Not medical advice.
• Eggshell membrane7 products$0.35lowest
  per 500 mgiThe thin skin inside eggshells, dried and ground. It naturally contains collagen and other cartilage building blocks – taken for joints, studies are small.Not medical advice.
• Glucosamine220 products4.6¢lowest
  per 1,500 mgiA building block of cartilage, mostly made from shellfish shells. Taken for joints – study results are mixed.Not medical advice.
• Green-lipped mussel5 products$0.18lowest
  per 500 mgiPowder or oil from a mussel that lives only in New Zealand, with omega-3 fats. Taken for joints – studies are mixed.Not medical advice.
• Hyaluronic acid42 products1.6¢lowest
  per 100 mgiA substance in skin and joints that holds water. Taken for skin moisture and joints – studies are small.Not medical advice.
• MSM69 products3.2¢lowest
  per 1,000 mgiA sulfur compound found in small amounts in food. Taken for joints – studies are small.Not medical advice.
• Undenatured type II collagen (UC-II)4 products$0.33lowest
  per 40 mgiCollagen from chicken cartilage that hasn’t been broken down, taken in tiny doses. Taken for joints – studies are small.Not medical advice.

• Betaine HCl (with pepsin)24 products2¢lowest
  per 650 mgiAn acid in pill form, often with the enzyme pepsin. Taken to help the stomach digest protein – studies are few.Not medical advice.
• Bromelain56 products6.2¢lowest
  per 500 mgiEnzymes from the stem of the pineapple plant that split protein. Taken for digestion and joints – studies are mixed.Not medical advice.
• Digestive enzymes245 products7¢lowest
  per servingiHelpers (enzymes) that split protein, fat and carbs, like the ones your body makes itself. Taken to make food easier to digest.Not medical advice.
• Lactase15 products7.8¢lowest
  per servingiThe enzyme that splits milk sugar (lactose). Taken with dairy, it helps people who don’t make enough of it themselves.Not medical advice.
• Nattokinase45 products3.5¢lowest
  per 100 mgiAn enzyme from natto, a Japanese fermented soybean dish. Taken for blood flow – studies are small. Ask a doctor first if you take blood thinners.Not medical advice.
• Other fiber supplements117 products5.7¢lowest
  per 5 giFibers like inulin, acacia or glucomannan. Fiber helps keep digestion regular and feeds the good bacteria in your gut.Not medical advice.
• Probiotics465 products6.6¢lowest
  per 10 billion CFUiLive bacteria or yeasts, counted in billions (CFU). They add to the bacteria in your gut – each kind does something different, and many aren’t well studied.Not medical advice.
• Psyllium husk32 products$0.15lowest
  per 5 giHusks of a seed that swell into a gel in water. This soft fiber helps keep digestion regular. Drink plenty of water with it.Not medical advice.
• Serrapeptase47 products9.3¢lowest
  per servingiAn enzyme first found in bacteria living in silkworms. Taken for the airways and joints – good studies in people are missing.Not medical advice.

Good to know: Extracts and plain powders aren’t the same. Compare products of the same type – ideally with the same standardization (e.g. “5% withanolides”).

• Aloe vera38 products3.4¢lowest
  per servingiGel or juice from the leaves of the aloe plant. Taken for digestion – studies are small.Not medical advice.
• American ginseng11 products$0.10lowest
  per 500 mgiRoot of a ginseng plant from North America. Taken for energy and the immune system – studies are small.Not medical advice.
• Amla (Indian gooseberry)9 products1.7¢lowest
  per 500 mgiA sour fruit from India, also called Indian gooseberry, rich in vitamin C. Used in Indian medicine – studies on blood fats and blood sugar are small.Not medical advice.
• Andrographis18 products7.9¢lowest
  per 400 mgiA bitter herb from South Asia. Taken for the immune system and the throat – some small studies look positive.Not medical advice.
• Arjuna5 products$0.11lowest
  per 500 mgiBark of the arjuna tree from India. Used in Indian medicine for the heart – good studies are few.Not medical advice.
• Artichoke leaf extract27 products5.9¢lowest
  per 500 mgiExtract from artichoke leaves. Taken for digestion and the liver – studies are small.Not medical advice.
• Ashwagandha118 products4.1¢lowest
  per 600 mgiRoot of a plant from India, related to the tomato. Taken for stress and sleep – several small studies look positive. Rare liver problems have been reported.Not medical advice.
• Asian ginseng (Panax ginseng)63 products2.2¢lowest
  per 200 mgiRoot of the Korean or Chinese ginseng plant – red ginseng is steamed. Taken for energy and focus – studies are mixed.Not medical advice.
• Astragalus44 products2.2¢lowest
  per 500 mgiRoot of a plant from China, used in Chinese medicine. Taken for the immune system – studies in people are few.Not medical advice.
• Bacopa monnieri31 products3.1¢lowest
  per 300 mgiA small water plant from India, also called brahmi. Taken for memory – some studies show small effects after a few weeks.Not medical advice.
• Berberine128 products8.3¢lowest
  per 500 mgiA yellow, bitter substance from plants like barberry. Studied for blood sugar and blood fats – it can interact with many medicines.Not medical advice.
• Bilberry30 products0.68¢lowest
  per 100 mgiA European relative of the blueberry, rich in blue plant pigments. Taken for the eyes – good studies are few.Not medical advice.
• Bitter melon32 products2.6¢lowest
  per 500 mgiA bitter, cucumber-like fruit from Asia. Taken for blood sugar – studies are small and mixed.Not medical advice.
• Black cohosh35 products0.55¢lowest
  per 40 mgiRoot of a North American plant. Taken for hot flashes in menopause – studies are mixed. Rare liver problems have been reported.Not medical advice.
• Boswellia43 products2.4¢lowest
  per 500 mgiResin from the frankincense tree. Taken for joints – some small studies look positive.Not medical advice.
• Burdock root17 products1.5¢lowest
  per 500 mgiRoot of the burdock plant, eaten as a vegetable in Japan. Used in folk medicine for skin and digestion – studies in people are few.Not medical advice.
• Butterbur3 products5.6¢lowest
  per 50 mgiExtract from the butterbur plant, used in Europe for centuries – studies are small. Buy only “PA-free” – the raw plant can harm the liver.Not medical advice.
• Cat’s claw25 products5.5¢lowest
  per 500 mgiBark of a woody vine from the Amazon rainforest. Used in folk medicine for joints and the immune system – studies are few.Not medical advice.
• Chamomile18 products2.5¢lowest
  per 400 mgiDried chamomile flowers – the same as in the tea. Taken to relax and sleep – studies are small.Not medical advice.
• Chasteberry (vitex)42 products4.5¢lowest
  per 400 mgiFruit of the chaste tree from the Mediterranean. Taken by women for complaints before their period – some studies look positive.Not medical advice.
• Cinnamon47 products4¢lowest
  per 1,000 mgiBark of cinnamon trees – Ceylon or the more common cassia. Studied for blood sugar, with mixed results. Lots of cassia can strain the liver.Not medical advice.
• Citrus bergamot14 products$0.10lowest
  per 500 mgiExtract from bergamot, a citrus fruit from southern Italy. Taken for blood fats like cholesterol – studies are small.Not medical advice.
• Cranberry56 products2.3¢lowest
  per 500 mgiCranberries as powder or extract. Taken for the bladder – some studies look positive.Not medical advice.
• Dandelion root37 products2.4¢lowest
  per 500 mgiRoot of the common dandelion. Used in folk medicine for digestion and as a mild “water pill” – studies are few.Not medical advice.
• Devil’s claw10 products6¢lowest
  per 500 mgiRoot of a plant from southern Africa, named after its hooked fruit. Taken for the back and joints – some studies look positive.Not medical advice.
• Dong quai14 products6.2¢lowest
  per 500 mgiRoot of a Chinese plant related to celery. Used in Chinese medicine for women’s health – good studies are missing.Not medical advice.
• Echinacea45 products1.7¢lowest
  per 400 mgiConeflower from North America – leaves, flowers or root. Taken for the immune system – studies are mixed.Not medical advice.
• Elderberry36 products4.2¢lowest
  per 500 mgiBerries of the black elder, as syrup, gummies or extract. Taken for the immune system – studies are small.Not medical advice.
• Eleuthero (Siberian ginseng)19 products3.4¢lowest
  per 500 mgiRoot of a shrub from Siberia – not a real ginseng. Taken for energy and stress – studies are mixed.Not medical advice.
• Fenugreek39 products2.8¢lowest
  per 500 mgiSeeds of a plant also used as a spice. Taken for blood sugar and by nursing mothers – studies are small.Not medical advice.
• Feverfew15 products1.5¢lowest
  per 100 mgiLeaves of a daisy-like plant, used in European folk medicine for centuries – studies are mixed.Not medical advice.
• Garlic89 products1.1¢lowest
  per 600 mgiGarlic as powder, oil or aged extract. Taken for the heart and blood vessels – results are mixed.Not medical advice.
• Ginger43 products6.2¢lowest
  per 500 mgiGinger root, dried or as extract. Taken for the stomach, for example when traveling – here the studies look fairly good.Not medical advice.
• Ginkgo biloba78 products1.4¢lowest
  per 120 mgiExtract from the leaves of the ginkgo tree. Taken for memory and blood flow – large studies found little effect.Not medical advice.
• Goldenseal15 products$0.11lowest
  per 500 mgiRoot of a North American plant. Used for the airways and digestion – studies are few, and it interacts with many medicines.Not medical advice.
• Gotu kola18 products7.8¢lowest
  per 500 mgiA small plant from Asia. Used in traditional medicine for skin and memory – studies are small.Not medical advice.
• Green tea extract32 products2¢lowest
  per 500 mgiConcentrated green tea, often with caffeine. Studied for weight and the heart – effects are small. High doses on an empty stomach can harm the liver.Not medical advice.
• Guduchi (giloy)4 products$0.17lowest
  per 500 mgiA climbing plant from India, also called giloy. Used in Indian medicine for the immune system – studies are few. Liver problems have been reported.Not medical advice.
• Guggul4 products$0.24lowest
  per 500 mgiResin from a small tree in India. Used in Indian medicine for blood fats – studies are mixed.Not medical advice.
• Gymnema sylvestre28 products2.6¢lowest
  per 400 mgiLeaves of a climbing plant from India – chewing them makes sweets taste less sweet. Taken for blood sugar – studies are small.Not medical advice.
• Hawthorn45 products1.6¢lowest
  per 500 mgiLeaves, flowers or berries of the hawthorn shrub. Taken for the heart and blood flow – studies are mixed.Not medical advice.
• Hibiscus6 products1.6¢lowest
  per 500 mgiDried hibiscus flowers – the same as in the tea. Taken for the heart and blood vessels – studies are small.Not medical advice.
• Holy basil (tulsi)32 products1.1¢lowest
  per 500 mgiA basil plant from India, also called tulsi. Used in Indian medicine for stress – studies are small.Not medical advice.
• Hops8 products7.7¢lowest
  per 300 mgiFlowers of the hop plant – the same as in beer. Taken to relax and sleep, often with valerian – studies are small.Not medical advice.
• Horse chestnut seed extract16 products7.1¢lowest
  per 300 mgiExtract from horse chestnut seeds. Taken for the veins in the legs – studies look fairly good. Never eat the raw seeds.Not medical advice.
• Jiaogulan4 products$0.28lowest
  per 500 mgiA climbing plant from China, related to the cucumber. Used in Chinese medicine for energy and blood fats – studies in people are few.Not medical advice.
• Kudzu6 products6.6¢lowest
  per 500 mgiRoot of a fast-growing vine from East Asia. Used in Chinese medicine, today taken for menopause – studies are small.Not medical advice.
• Lavender oil capsules6 products6.1¢lowest
  per 80 mgiLavender oil in softgels. Taken to relax – some studies look positive.Not medical advice.
• Lemon balm26 products2.8¢lowest
  per 500 mgiLeaves of a mint plant with a lemon smell. Taken to relax and sleep – studies are small.Not medical advice.
• Licorice root28 products7¢lowest
  per 400 mgiLicorice root, taken for the stomach. Normal licorice can raise blood pressure – DGL has that part removed.Not medical advice.
• Magnolia bark4 products9.2¢lowest
  per 200 mgiBark of a magnolia tree from China. Taken to relax and sleep – studies are small.Not medical advice.
• Marshmallow root14 products3.1¢lowest
  per 500 mgiRoot of the marshmallow plant – the candy was named after it. It turns slimy in water and coats the throat and stomach.Not medical advice.
• Milk thistle102 products0.87¢lowest
  per 300 mgiSeeds of the milk thistle plant. Taken for the liver – studies are mixed.Not medical advice.
• Mullein leaf22 products2.4¢lowest
  per 500 mgiLeaves of a tall herb with yellow flowers. Used in folk medicine for the throat and airways – studies are few.Not medical advice.
• Neem11 products8.6¢lowest
  per 500 mgiLeaves or bark of the neem tree from India. Used in Indian medicine for skin and teeth – studies in people are few.Not medical advice.
• Noni10 products4.8¢lowest
  per 500 mgiA fruit from the South Pacific, as juice or capsules. Sold for many things – good studies are missing, and liver problems have been reported.Not medical advice.
• Olive leaf extract46 products2.5¢lowest
  per 500 mgiExtract from olive leaves. Taken for the heart and the immune system – studies are small.Not medical advice.
• Oregano oil37 products2.7¢lowest
  per 150 mgiOil from oregano leaves. Taken for the gut and the immune system – tested mostly in the lab, rarely in people.Not medical advice.
• Passionflower22 products2¢lowest
  per 400 mgiLeaves and flowers of a climbing plant. Taken to relax and sleep – studies are small.Not medical advice.
• Pau d’arco11 products1.6¢lowest
  per 500 mgiInner bark of a South American tree, also called lapacho. Used in South American folk medicine – studies in people are missing.Not medical advice.
• Peppermint oil capsules6 products$0.26lowest
  per 200 mgiPeppermint oil in capsules that open in the gut. Taken for the gut – studies look fairly good.Not medical advice.
• Pomegranate extract34 products1.9¢lowest
  per 500 mgiExtract from pomegranate fruit, peel or seeds, rich in plant pigments. Studied for the heart and blood vessels – studies are small.Not medical advice.
• Pygeum6 products2.3¢lowest
  per 100 mgiBark of the African cherry tree. Taken by men for the prostate and bladder – studies are mixed.Not medical advice.
• Red clover17 products6.1¢lowest
  per 500 mgiRed clover flowers, rich in plant estrogens (isoflavones). Taken for menopause symptoms – studies are mixed.Not medical advice.
• Rhodiola rosea57 products9.8¢lowest
  per 300 mgiRoot of a plant from cold regions, also called golden root. Taken for tiredness and stress – studies are small and mixed.Not medical advice.
• Saffron extract28 products2.8¢lowest
  per 30 mgiExtract from saffron, the spice from crocus flowers. Taken for mood – several small studies look positive.Not medical advice.
• Sage9 products$0.13lowest
  per 500 mgiLeaves of the kitchen herb. Taken for hot flashes and memory – studies are small.Not medical advice.
• Saw palmetto71 products3.1¢lowest
  per 320 mgiBerries of a small palm from the southeastern US. Taken by men for the prostate – large studies found little effect.Not medical advice.
• Schisandra19 products6.6¢lowest
  per 500 mgiBerries of a climbing plant from China, also called five-flavor fruit. Used in Chinese medicine for energy and the liver – studies are few.Not medical advice.
• Shatavari17 products5¢lowest
  per 500 mgiRoot of an asparagus plant from India. Used in Indian medicine for women’s health – studies in people are few.Not medical advice.
• Slippery elm19 products3.4¢lowest
  per 400 mgiInner bark of the slippery elm tree from North America. It turns slimy in water and coats the throat and stomach.Not medical advice.
• Soy isoflavones12 products3.5¢lowest
  per 50 mgiPlant estrogens from soybeans. Taken for menopause symptoms and bones – studies are mixed.Not medical advice.
• St. John’s wort48 products4¢lowest
  per 300 mgiA plant with yellow flowers. Taken for mood – studies look fairly good, but it weakens many medicines, including the birth control pill.Not medical advice.
• Stinging nettle37 products2.5¢lowest
  per 500 mgiLeaves or root of the stinging nettle. The leaves are taken for the nose and joints, the root by men for the prostate – studies are small.Not medical advice.
• Triphala18 products4¢lowest
  per 1,000 mgiA mix of three dried fruits from India. Used in Indian medicine for digestion – studies are small.Not medical advice.
• Turmeric & curcumin96 products$0.19lowest
  per 500 mgiThe yellow spice and its main compound, curcumin. Taken for joints – the body takes up little curcumin, so many products add black pepper.Not medical advice.
• Valerian54 products2.6¢lowest
  per 500 mgiRoot of the valerian plant. Taken to sleep better – studies are mixed.Not medical advice.
• White mulberry leaf4 products$0.11lowest
  per 500 mgiLeaves of the white mulberry tree – what silkworms eat. Taken for blood sugar after meals – studies are small.Not medical advice.
• White willow bark12 products1.6¢lowest
  per 400 mgiBark of the white willow tree, which contains salicin. Taken for the back and joints – some studies look positive.Not medical advice.

Good to know: Fruiting-body extracts and mycelium grown on grain are different products. Compare the same type.

• Chaga39 products9.7¢lowest
  per 1,000 mgiA black fungus growth on birch trees. Taken for the immune system – studies in people are missing. It has a lot of oxalate, which can strain the kidneys.Not medical advice.
• Cordyceps52 products$0.12lowest
  per 1,000 mgiA fungus, today mostly grown in labs. Taken for energy and endurance – studies are small and mixed.Not medical advice.
• Lion’s mane92 products8.6¢lowest
  per 1,000 mgiAn edible mushroom with long, hair-like spines. Taken for focus and memory – studies in people are small.Not medical advice.
• Maitake17 products$0.16lowest
  per 1,000 mgiAn edible mushroom that grows in clusters, also called hen of the woods. Taken for the immune system – studies are few.Not medical advice.
• Mushroom blends & mushroom coffee136 products$0.12lowest
  per servingiSeveral mushrooms mixed, as powder or in coffee. What it does depends on which mushrooms and how much – often only small amounts.Not medical advice.
• Reishi44 products6.9¢lowest
  per 1,000 mgiA hard, bitter mushroom that grows on trees. Used in Chinese medicine for the immune system and sleep – good studies are few.Not medical advice.
• Shiitake24 products7.9¢lowest
  per 1,000 mgiThe edible shiitake mushroom, as powder or extract. Taken for the immune system – studies are small.Not medical advice.
• Tremella11 products$0.23lowest
  per 500 mgiA white, jelly-like mushroom, also called snow fungus. Taken for skin moisture – studies in people are few.Not medical advice.
• Turkey tail36 products$0.13lowest
  per 1,000 mgiA striped mushroom that grows on dead wood. Used in Asia for the immune system – studies in healthy people are few.Not medical advice.

• Apigenin18 products8.3¢lowest
  per 50 mgiA plant compound from chamomile and parsley. Taken for sleep – studies in people are few.Not medical advice.
• Astaxanthin59 products8.9¢lowest
  per 6 mgiA red pigment from algae – it makes salmon and shrimp pink. Studied as an antioxidant and taken for skin and eyes – studies are small.Not medical advice.
• Citrus bioflavonoids33 products4¢lowest
  per 500 mgiPlant compounds from citrus peel, like hesperidin. Taken for veins and blood vessels – studies are small.Not medical advice.
• Fisetin22 products$0.15lowest
  per 100 mgiA plant pigment from strawberries. Studied for healthy aging – almost only in animals so far.Not medical advice.
• Grape seed extract (OPCs)34 products0.64¢lowest
  per 100 mgiExtract from grape seeds, rich in plant pigments (OPCs). Taken for blood vessels – studies are small.Not medical advice.
• Lutein & zeaxanthin79 products4.4¢lowest
  per 10 mgiYellow plant pigments, mostly from marigold flowers. The center of the eye stores them as a natural filter for blue light.Not medical advice.
• Lycopene24 products5.8¢lowest
  per 10 mgiThe red pigment in tomatoes. Studied as an antioxidant and for the heart and prostate – results are mixed.Not medical advice.
• Pine bark extract43 products2.8¢lowest
  per 100 mgiExtract from the bark of a French pine tree, e.g. Pycnogenol®. Taken for blood flow and skin – studies are small.Not medical advice.
• Piperine (black pepper extract)8 products8.9¢lowest
  per 10 mgiThe sharp-tasting part of black pepper. Added to other supplements like turmeric, because it helps the body take them up.Not medical advice.
• Plant sterols & stanols33 products4.6¢lowest
  per 1 giPlant substances similar to cholesterol, from vegetable oils. They stop some cholesterol from being taken up in the gut – well studied.Not medical advice.
• Pterostilbene10 products7.3¢lowest
  per 50 mgiA relative of resveratrol from blueberries. Studied for healthy aging – studies in people are few.Not medical advice.
• Quercetin63 products2.3¢lowest
  per 500 mgiA plant pigment from onions, apples and capers. Studied for the immune system – studies in people are small.Not medical advice.
• Resveratrol64 products9.9¢lowest
  per 250 mgiA substance from red grapes – pills are mostly made from a plant called knotweed. Studied for healthy aging and blood vessels – results in people are mixed.Not medical advice.
• Spermidine15 products$0.17lowest
  per 1 mgiA substance from wheat germ, soy and aged cheese. Studied for how cells clean up worn-out parts and for healthy aging – mostly in animals.Not medical advice.
• Sulforaphane (broccoli sprout extract)8 products$0.17lowest
  per 10 mgiA substance from broccoli sprouts. Studied for the cells’ own protection against damage – studies in people are small.Not medical advice.
• Urolithin A3 products$0.83lowest
  per 500 mgiA substance gut bacteria make from pomegranate and berries – pills are made in a lab. Studied for how cells recycle worn-out parts – studies in people are small.Not medical advice.

• Alpha-GPC22 products6.8¢lowest
  per 300 mgiA form of choline, found in small amounts in milk. The brain uses choline to make a messenger for memory and muscle control.Not medical advice.
• Alpha-lipoic acid133 products4.5¢lowest
  per 300 mgiA substance the body makes itself. Cells use it to make energy – studied as an antioxidant and for nerves and blood sugar.Not medical advice.
• Butyrate10 products6.7¢lowest
  per 300 mgiA fatty acid that gut bacteria make from fiber. The cells lining the gut use it as their main fuel.Not medical advice.
• Calcium alpha-ketoglutarate (Ca-AKG)10 products$0.17lowest
  per 1,000 mgiCalcium plus AKG, a substance the body makes itself to get energy from food. Studied for healthy aging – mostly in animals so far.Not medical advice.
• Choline (bitartrate)30 products2.4¢lowest
  per 250 mgiA nutrient from eggs and meat. Your body needs it for the liver, the brain and the nerves.Not medical advice.
• Citicoline (CDP-choline)17 products$0.26lowest
  per 250 mgiA form of choline the body also makes itself. The brain uses it for its cell walls and messengers – taken for focus and memory.Not medical advice.
• Coenzyme Q10376 products6¢lowest
  per 100 mgiA substance the body makes itself, found in every cell. Cells need it to make energy – levels fall with age and with some cholesterol medicines.Not medical advice.
• D-mannose35 products$0.12lowest
  per 2 giA simple sugar related to glucose. Taken for the bladder and urinary tract – studies are mixed.Not medical advice.
• Ergothioneine9 products5.3¢lowest
  per 10 mgiAn amino acid found mostly in mushrooms. The body stores it in many organs – studied as an antioxidant, research is still early.Not medical advice.
• Glutathione92 products9.2¢lowest
  per 250 mgiThree amino acids joined together – the body’s own main protection against cell damage. How much from a pill reaches the cells is unclear.Not medical advice.
• Inositol99 products7.2¢lowest
  per 2 giA sugar-like substance from fruit, beans and grains. Cells use it to pass on signals, for example from insulin – studied mostly for women’s hormones.Not medical advice.
• Lactoferrin11 products$0.27lowest
  per 200 mgiA protein from milk, especially the first milk after birth. It binds iron and is part of the body’s own defenses – studies in adults are small.Not medical advice.
• Melatonin326 products0.55¢lowest
  per 1 mgiA hormone your body makes in the evening to signal it’s time to sleep. A supplement in the US, a medicine in many other countries.Not medical advice.
• Nicotinamide riboside (NR)5 products$0.33lowest
  per 300 mgiA form of vitamin B3. Like NMN, your body turns it into NAD+, which every cell needs to make energy – studies in people are small.Not medical advice.
• NMN96 products$0.14lowest
  per 500 mgiA substance your body turns into NAD+, which every cell needs to make energy. NAD+ falls with age – whether NMN helps people is still being studied.Not medical advice.
• Phosphatidylserine41 products5.2¢lowest
  per 100 mgiA fat-like building block of brain cells, made from soy or sunflower. Taken for memory and stress – studies are small.Not medical advice.
• PQQ30 products$0.14lowest
  per 20 mgiA small compound found in kiwi, parsley and natto. Studied for cell energy and the brain – studies in people are few.Not medical advice.
• SAMe46 products$0.59lowest
  per 400 mgiA substance the body makes from the amino acid methionine and uses in many processes. Studied for mood and joints.Not medical advice.
• TUDCA23 products$0.40lowest
  per 250 mgiA bile acid – bile helps you digest fat. Studied for the liver – mostly in sick people or animals.Not medical advice.
• Uridine monophosphate4 products$0.26lowest
  per 250 mgiA building block the body uses for, among other things, the walls of brain cells. Studied for memory and mood – studies in people are few.Not medical advice.
• Yeast beta-glucan15 products5¢lowest
  per 250 mgiA fiber from the cell walls of baker’s yeast. Taken for the immune system – some studies look positive.Not medical advice.

• Açaí powder25 products$0.36lowest
  per 5 giDried berries from a palm tree in the Amazon, rich in plant pigments. Sold as a “superfood” – studies in people are few.Not medical advice.
• Apple cider vinegar (capsules & gummies)63 products8.6¢lowest
  per 1,000 mgiApple cider vinegar in capsules or gummies. Studied for blood sugar after meals – the effect is small.Not medical advice.
• Bee pollen15 products7¢lowest
  per 2 giFlower pollen collected by bees. It adds protein, vitamins and minerals – other effects aren’t proven. Can cause allergies.Not medical advice.
• Beef organ supplements37 products$0.34lowest
  per 3 giDried beef liver, heart and other organs in capsules. Liver is rich in vitamin A, B12 and iron – but capsules hold only small amounts.Not medical advice.
• Bovine colostrum64 products$0.20lowest
  per 2 giThe first milk of cows after giving birth, dried. It has a lot of antibodies – taken for the gut and the immune system, studies are small.Not medical advice.
• Camu camu powder11 products$0.26lowest
  per 3 giA sour berry from the Amazon, dried and powdered. It’s very rich in vitamin C, which your body needs for the immune system and skin.Not medical advice.
• Chlorella29 products$0.17lowest
  per 3 giA green freshwater alga, dried and powdered. It adds protein, iron and vitamins – studies on other effects are small.Not medical advice.
• Fruit & vegetable capsules17 products$0.17lowest
  per servingiDried fruit and vegetable powders in capsules. They add a few vitamins and plant pigments – much less than a portion of fresh fruit or vegetables.Not medical advice.
• Goji berry powder12 products$0.32lowest
  per 5 giDried goji berries, powdered. Rich in zeaxanthin, a yellow pigment the eye stores – studies on other effects are small.Not medical advice.
• Greens powders209 products$0.15lowest
  per servingiDried vegetables, grasses and algae as powder, often with added vitamins. They add some nutrients from greens – but they don’t replace eating vegetables.Not medical advice.
• Liquid chlorophyll (chlorophyllin)30 products$0.17lowest
  per 100 mgiA form of chlorophyll, the green in plants, that dissolves in water. Taken against body odor and for the skin – studies are few.Not medical advice.
• Maca86 products$0.11lowest
  per 3 giA root from the Andes in Peru, dried and powdered. Taken for energy and mood – studies are small.Not medical advice.
• Moringa47 products$0.14lowest
  per 3 giDried leaves of the moringa tree. They add vitamins, minerals and protein – studies on other effects are small.Not medical advice.
• Propolis48 products3.4¢lowest
  per 500 mgiA resin bees collect from tree buds to seal their hive. Taken for the immune system and the throat – studies are small.Not medical advice.
• Royal jelly11 products$0.32lowest
  per 1,000 mgiA substance bees make to feed their queen. Taken for energy and well-being – studies in people are few. Can cause allergies.Not medical advice.
• Sea moss20 products6.2¢lowest
  per 1,000 mgiA red seaweed, as gel, capsules or powder. It adds minerals, especially iodine – the amount varies a lot, so too much is possible.Not medical advice.
• Shilajit45 products$0.12lowest
  per 500 mgiA sticky, tar-like substance from rocks in the Himalayas. Used in Indian medicine for energy – studies are small. Buy only lab-tested products.Not medical advice.
• Spirulina42 products9.9¢lowest
  per 3 giA blue-green alga, dried and powdered. It adds protein, iron and plant pigments – studies on other effects are small.Not medical advice.
• Tart cherry52 products6.2¢lowest
  per servingiSour cherries as juice concentrate or capsules. Taken for muscle recovery and sleep – some small studies look positive.Not medical advice.
• Wheatgrass & barley grass22 products$0.12lowest
  per 3 giYoung wheat or barley leaves, dried and powdered. They add vitamins, minerals and fiber, like other greens – studies are few.Not medical advice.