Sold together as “ZMA”
Zinc, magnesium & B6
Sold together as “ZMA”. Bought separately, you choose each amount yourself.
5.3¢a day
at the lowest prices, quality 75+
$0.76with typical prices
$1.62
a month
$19
a year, at the lowest prices
What it’s for
Three nutrients your body needs every day: zinc for the immune system and wound healing, magnesium for muscles and nerves, vitamin B6 to use protein. Often sold for sleep after training, but studies on the mix are few.
Not medical advice.
What’s in it
Zinc
10 mg zinc 10 mg is within the 8–11 mg recommended a day for adults (NIH).Not a recommendation. Not medical advice.
- Lowest
- 0.11¢
- Typical
- $0.18
Magnesium
200 mg magnesium 200 mg is less than the 310–420 mg recommended a day for adults, from food and supplements together (NIH).Not a recommendation. Not medical advice.
- Lowest
- 1.6¢
- Typical
- $0.43
Vitamin B6
10 mg vitamin B6 10 mg is more than the 1.3–1.7 mg recommended a day for adults (NIH).Not a recommendation. Not medical advice.
- Lowest
- 3.6¢
- Typical
- $0.15
Each color is one part of the combo – per day.
| Part | Lowest | Typical |
|---|---|---|
| Zinc | 0.11¢ | $0.18 |
| Magnesium | 1.6¢ | $0.43 |
| Vitamin B6 | 3.6¢ | $0.15 |
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
