Does ZMA help with women?

The women's dose passes the audit the men's fails, which is the honest and slightly surprising first finding

Does ZMA help women has a first finding that the ZMA pages on this site have been building toward without saying: the women's dose passes the audit the men's fails. The classic formula directs two capsules for women, two thirds of the men's three, delivering 20mg of zinc, 300mg of magnesium as magnesium aspartate and 7mg of vitamin B6, and against the UK guidance levels that read as 20mg of zinc under the 25mg supplemental level, 300mg of magnesium under the 400mg level and 7mg of B6 under the 10mg long-term level, so that a woman taking ZMA as directed, and taking no other zinc, is inside every line the men's dose crosses, the ZMA dosage page's audit reversed by a third. That makes ZMA for a woman a lawful magnesium and zinc supplement at sensible doses, and the question of whether it helps becomes the question of whether its minerals help, which is the diet audit's: a woman whose training diet runs light on magnesium, common on a cut that drops the nuts and greens, or short of zinc, less common but real in vegetarian and low-meat diets, has a shortfall that repletion restores, and a woman replete in both has nothing for either mineral to do, the deficiency pattern that governs every mineral page here. The one caveat to the pass is the sum across tubs: a multivitamin's zinc line or a bone formula's magnesium on top of ZMA can push either total past its level, so the audit counts every source.

The benefits, which are the minerals' claims with two women-specific notes, and why two tubs are still the better buy

The benefits, as on every ZMA page, are the minerals' authorised claims and not the formula's: magnesium's muscle function, nervous system, psychological function, energy metabolism, protein synthesis, fatigue and bone maintenance, the last carrying more weight for women after the menopause, and zinc's immune function, skin, hair and nails, cognitive function, protein synthesis and, the two sentences women may be looking for, a contribution to normal fertility and reproduction, which applies to women as to men, and the maintenance of normal testosterone levels in the blood, which is a maintenance sentence for anyone and not a hormone effect a woman should expect to feel. Two women-specific notes. Pregnancy and breastfeeding leave the shelf: requirements change, zinc and magnesium have clinical roles under obstetric supervision, and this site gives no supplement guidance in either, ZMA included, the question going to a midwife or GP. Iron is the mineral more women are actually short of: heavy periods, endurance training and low-meat diets make iron deficiency the commonest mineral shortfall in women who train, and ZMA contains none, so a woman auditing her minerals starts with iron and a blood count rather than with a zinc-and-magnesium formula. Why two tubs are still the better buy, even with the audit passed: ZMA's magnesium is aspartate, a middling salt, where bisglycinate is better absorbed and tolerated at the same 300mg; its zinc is a fixed 20mg where a woman's audit may want 10 to 15mg or none; its B6 is unnecessary on most diets; its instruction is fasted at bedtime, which produces the nausea the zinc-at-night pages describe; and its price is a formulation premium over two plain tubs, the worked example's magnesium half being bisglycinate at 300mg elemental and 22p, £19.99 for 90 days, with a small zinc beside it by audit and dinner as the anchor. The question filed: ZMA helps a woman as its minerals help her, at a dose that passes both levels alone, with fertility among zinc's sentences, pregnancy off the shelf, iron the likelier shortfall, and two tubs the better way to the same claims.

The verdict, a dose that passes and a formula still second-best

Does ZMA help women: as its minerals help, and at a dose that passes both UK guidance levels the men's dose fails, 20mg of zinc, 300mg of magnesium and 7mg of B6 sitting under every line when no other zinc or magnesium is taken, with the benefits being magnesium's and zinc's authorised claims, fertility and reproduction among zinc's, and two notes, pregnancy and breastfeeding leaving the shelf for a midwife and iron being the shortfall more women who train actually have, while two stated tubs remain the better buy for the salt, the dose, the anchor and the price. The magnesium half in the better salt: Futuro Labs Magnesium Glycinate, bisglycinate, 300mg elemental at 80% NRV, £19.99 for 90 days at 22p a day.

What to check on the label

Questions people also ask

Is ZMA safe for women?

At the women's two-capsule dose, 20mg zinc, 300mg magnesium and 7mg B6, it sits under all three UK guidance levels the men's dose crosses, provided no other zinc or magnesium is taken, with pregnancy and breastfeeding being a midwife's question and the fasted bedtime instruction best ignored.

What are the benefits of ZMA for a woman?

The minerals' authorised claims: magnesium's muscle function, nervous system, psychological function, fatigue and bones, and zinc's immune function, skin, hair and nails, cognitive function and normal fertility and reproduction, real where a diet audit finds either mineral short.

Does ZMA affect women's hormones?

Zinc's testosterone sentence is a maintenance claim for anyone and not a hormone effect a woman should expect, and no trial of ZMA in women exists; a woman with a hormone question has a GP question.

Which mineral are women who train most often short of?

Iron, through heavy periods, endurance training and low-meat diets, which ZMA does not contain, so a woman auditing her minerals starts with a blood count and iron before a zinc-and-magnesium formula.

Should a woman take ZMA or two separate supplements?

Two: magnesium bisglycinate at 300mg elemental for the better-absorbed and better-tolerated salt, and a separate zinc at 10 to 15mg only where a diet audit finds it short, both with dinner, without ZMA's aspartate, fixed zinc, unnecessary B6, fasted ritual or premium.

Sources

1. Expert Group on Vitamins and Minerals. Safe Upper Levels for Vitamins and Minerals. Food Standards Agency, 2003 (magnesium guidance level 400mg a day from supplements). https://cot.food.gov.uk/sites/default/files/vitmin2003.pdf
2. The GB claims register, zinc entries: zinc contributes to the maintenance of normal testosterone levels in the blood, to normal fertility and reproduction, to normal immune function and to the maintenance of normal skin, hair and nails, among others, at 15% NRV or more. https://www.gov.uk/government/publications/great-britain-nutrition-and-health-claims-nhc-register
3. The GB claims register, magnesium entries: magnesium contributes to a reduction of tiredness and fatigue, normal psychological function, normal nervous system function, normal muscle function and electrolyte balance, among others. https://www.gov.uk/government/publications/great-britain-nutrition-and-health-claims-nhc-register
4. Department of Health. Dietary Reference Values for Food Energy and Nutrients for the United Kingdom. Report on Health and Social Subjects 41, 1991 (magnesium RNI 300mg men, 270mg women).

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