Optimum Nutrition ZMA: zinc, magnesium and vitamin B6 before bed
Optimum Nutrition ZMA is a zinc magnesium aspartate formula with vitamin B6, taken in capsules before bed. A serving of 3 capsules gives 28 mg of zinc, 435 mg of magnesium and 10 mg of vitamin B6. Zinc contributes to normal protein synthesis, magnesium contributes to normal muscle function and to the reduction of tiredness and fatigue, and vitamin B6 contributes to normal energy-yielding metabolism. ON ZMA suits adults who train hard, sweat a lot and want to cover zinc and magnesium in one product at night, with no stimulants.
What’s in a serving (3 capsules)
| Per serving | Amount | Daily value (US) |
|---|---|---|
| Zinc (aspartate, monomethionine, oxide) | 28 mg | 255% |
| Magnesium (aspartate, oxide) | 435 mg | 104% |
| Vitamin B6 (pyridoxine HCl) | 10 mg | 588% |
Other ingredients: gelatin (capsule), microcrystalline cellulose, magnesium stearate. Women’s serving is 2 capsules (about 19 mg zinc, 290 mg magnesium, 6.7 mg B6).
Who it suits
- Hard-training adults: zinc and magnesium are lost in sweat.
- Night-time routine: no caffeine, taken before bed.
- Simple stacking: pairs with daily creatine and protein.
- Magnesium only? Compare single-mineral magnesium supplements if you don’t need extra zinc.
How to use
Men: 3 capsules before bed. Women: 2 capsules before bed. Take them preferably on an empty stomach, and not with milk or calcium supplements, which can reduce zinc absorption. Don’t combine with other zinc supplements, and don’t exceed the label dose.
Sizes
90 capsules (30 servings for men, 45 for women) and 180 capsules; the selector shows what is in stock. More from Optimum Nutrition.
How to check your bottle
- The seal under the cap is intact.
- Importer details are on a sticker or printed on the label; batch and expiry are printed on the bottle.
- The supplement facts read 28 mg zinc, 435 mg magnesium and 10 mg B6 per 3 capsules.
Why order ZMA from iFIT
- We buy Optimum Nutrition from the brand or its authorised distributor; importer, batch and expiry are on every bottle.
- Your order comes with a tax invoice.
- Card, valU or cash on delivery, with delivery across Egypt.
ZMA questions
What is in ON ZMA?
A serving of 3 capsules gives 28 mg of zinc (as zinc aspartate, zinc monomethionine and zinc oxide), 435 mg of magnesium (as magnesium aspartate and oxide) and 10 mg of vitamin B6.
What does ZMA do?
Zinc contributes to normal protein synthesis and to the normal function of the immune system. Magnesium contributes to normal muscle function and to the reduction of tiredness and fatigue, and vitamin B6 contributes to normal energy-yielding metabolism.
How do I take ZMA?
Optimum Nutrition directs men to take 3 capsules and women 2 capsules before bed, preferably on an empty stomach. Calcium can interfere with zinc absorption, so avoid taking it with milk or a calcium supplement.
Can I take ZMA with a multivitamin?
Check the zinc first. Three capsules already give 28 mg of zinc, which is above the 25 mg a day upper level used in Europe for all sources combined. Don’t add other zinc supplements, and ask your doctor before long-term use, as high zinc intake can lower copper levels.
Is ZMA a stimulant?
No. It contains no caffeine or stimulants, which is why it is taken at night. Food supplements don’t replace a varied diet. If you’re pregnant, breastfeeding, under 18, taking medication or have a medical condition, ask your doctor first.
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