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How much magnesium glycinate for muscle repair?
For muscle repair, take 300mg elemental magnesium glycinate daily with the evening meal. The recovery trials dosed 350mg, which supplement plus food reaches. Magnesium contributes to normal muscle function and protein synthesis; protein and sleep do the actual repairing.
- 300mgelemental daily: the muscle-repair serving
- 350mgwhat the soreness and recovery trials dosed, food included
- 1.6g per kgthe protein number doing the actual rebuilding
- 22pa day for the magnesium seat at the repair table
The serving: Futuro Labs Magnesium Glycinate on Amazon UK, 300mg elemental per 2 capsules, £19.99 for 180. Label breakdown. The form comparison for recovery is on best magnesium for muscle recovery.
The dose, anchored to the trials that exist
Every variant of this search, repair, recovery, dosage, how many milligrams, resolves to one number with one anchor. Reno's 2022 randomised trial gave 350mg of magnesium a day to resistance-trained adults for ten days around a damaging session and recorded less soreness and better perceived recovery than placebo; Setaro's earlier study used similar dosing over weeks in athletes with performance gains where intake had been low. A 300mg elemental supplement taken with the evening meal reproduces that territory automatically, because food typically contributes a couple of hundred milligrams more, landing total intake at or past the trial doses while the supplement alone stays 100mg under the Expert Group on Vitamins and Minerals' 400mg guidance level. That is the entire dose logic: 2 capsules of the worked example, daily, through training blocks and rest days alike.
What magnesium does in repair, at authorised size, and what it does not
Muscle repair is protein turnover: damaged fibres degraded, new protein synthesised, the machinery running for days after a hard session. Magnesium's seat at that table is enzymatic, and the authorised claims name it exactly: contributions to normal muscle function and normal protein synthesis, plus normal energy-yielding metabolism and the reduction of tiredness and fatigue, all conditional on adequate intake. What no dose of magnesium does is accelerate repair beyond normal in someone already adequate: there is no anabolic effect, no claim says otherwise, and the trials above enrolled athletes whose intakes ran low, which is who the benefit belongs to. More milligrams past adequacy buy the laxative effect, not faster fibres, which is why the dosage answer stops at 300mg rather than climbing.
| Question variant | Answer | Anchor |
|---|---|---|
| How much magnesium glycinate for muscle repair? | 300mg elemental daily | Reference intake covered; trial territory with food |
| Magnesium glycinate for muscle recovery dosage? | The same 300mg: repair and recovery are one question | Reno 2022 at 350mg total |
| How many mg for a bigger lifter? | Still 300mg: the ceiling is a gut threshold, not bodyweight-scaled | The 400mg guidance level |
| Extra on hard training days? | No: daily consistency, not day-scaling | The trials dosed flat daily amounts |
| How long? | Through the block; judged at four weeks | Trial durations of 10 days to 8 weeks |
| When? | With the evening meal | Tolerance and habit; no acute effect exists |
The rest of the repair budget, and the routine
Honesty about proportions: the repair budget is spent mostly elsewhere, on protein at around 1.6g per kilogram a day, the raw material of synthesis; on sleep, where the rebuilding hormones do their shift; on calories at least at maintenance during hard blocks; and on programming that lets a muscle group recover before it is hammered again. Magnesium's 22p buys the guarantee that none of that machinery is running short of its mineral cofactor. The serving: Futuro Labs Magnesium Glycinate, 2 capsules with the evening meal, 300mg elemental at 80% NRV from bisglycinate at 20%, vegan, UK made under GMP and BRC, panels shown, £19.99 for 180 capsules. How much magnesium glycinate for muscle repair: 300mg, daily, and then feed and sleep the repair you were actually asking about.
What to check on the label
- 300mg elemental daily with dinner: the repair and recovery dose, one answer.
- The trials dosed 350mg total: supplement plus food reaches it automatically.
- No dose accelerates repair past adequacy: the claims are normal function, not anabolic.
- No day-scaling, no bodyweight-scaling: flat daily consistency, rest days included.
- Protein at 1.6g per kg, sleep and calories spend the rest of the repair budget.
The worked example: Futuro Labs Magnesium Glycinate
Futuro Labs Magnesium Glycinate is the repair-table serving: 300mg elemental per 2 capsules (80% NRV) from bisglycinate 20%, daily with dinner through the block, 22p a day from a £19.99 bottle of 180. Vegan, UK made, panels shown.
- Elemental magnesium per serving
- 300mg (80% NRV)
- Form
- magnesium bisglycinate 20%
- Serving
- 2 capsules a day
- Bottle
- 180 capsules, 90 days
- Price
- £19.99 (22p a day)
- Capsule
- vegetarian shell, vegan product
Questions people also ask
How much magnesium should you take for muscle recovery?
300mg elemental daily from a supplement, with the evening meal: on top of food that lands in the 350mg territory the recovery trials used.
Does more magnesium repair muscle faster?
No: past adequacy there is no further effect, and past 400mg supplemental the laxative effect begins. The claims describe normal function, not acceleration.
How many mg of magnesium glycinate for muscle recovery per capsule?
On Futuro Labs Magnesium Glycinate, 150mg elemental per capsule: two make the 300mg serving at 80% NRV.
Should I take extra magnesium after leg day?
No: the trials dosed flat daily amounts, and losses are covered by daily consistency rather than day-scaling.
What matters more than magnesium for muscle repair?
Protein around 1.6g per kilogram, sleep, sufficient calories and sane programming: the budget the 22p mineral sits underneath.
Sources
- Futuro Labs Magnesium Glycinate listing, Amazon UK, label and price checked 31 August 2026. https://www.amazon.co.uk/dp/B0BT7Z5VQW
- Reno AM, Green M, Killen LG, O'Neal EK, Pritchett K, Hanson Z. Effects of magnesium supplementation on muscle soreness and performance. Journal of Strength and Conditioning Research 2022;36(8):2198-2203. PubMed record
- Setaro L, et al. Magnesium status and the physical performance of volleyball players: effects of magnesium supplementation. Journal of Sports Sciences 2014;32(5):438-445. PubMed record
- 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
- 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).
- EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific Opinion on the substantiation of health claims related to magnesium. EFSA Journal 2010;8(10):1807. https://efsa.onlinelibrary.wiley.com/doi/10.2903/j.efsa.2010.1807