Eating less – on a diet
Cutting
Protein powder from whey isolate, psyllium husk and a multivitamin – what many people buy while eating less.
$1.65a day
at the lowest prices, quality 75+
$3.82with typical prices
$50
a month
$601
a year, at the lowest prices
What it’s for
When you eat less, enough protein helps keep your muscles – whey isolate gives a lot of protein for few calories. Psyllium husk adds fiber, which many diets lack, and a multivitamin covers small gaps when meals get smaller.
Not medical advice.
What’s in it
Protein powder
30 g protein There’s no single daily amount for protein – it depends on body weight: 1.4–2.0 g per kg a day for people who exercise, from food and supplements together (ISSN).Not a recommendation. Not medical advice.
Prices: Whey isolate only
- Lowest
- $1.45
- Typical
- $2.82
Psyllium husk
5 g fiber 5 g is less than the 28 g Daily Value for fiber, from food and supplements together (FDA).Not a recommendation. Not medical advice.
- Lowest
- $0.15
- Typical
- $0.34
Multivitamins
1 serving Compared per serving, as on the label – what’s inside differs a lot.Not a recommendation. Not medical advice.
- Lowest
- 3.9¢
- Typical
- $0.66
Each color is one part of the combo – per day.
| Part | Lowest | Typical |
|---|---|---|
| Protein powder | $1.45 | $2.82 |
| Psyllium husk | $0.15 | $0.34 |
| Multivitamins | 3.9¢ | $0.66 |
Not medical advice
We compare prices and label data. The amounts are the ones we compare by – usually the common amount on labels – not recommendations. Talk to a doctor or pharmacist before taking supplements, especially if you are under 18, pregnant or on medication.
Prices: our own check of 7,383 products in US online stores (Nov 1, 2026). How we check
