Ghost Fitness/Magnesium/Does ZMA work reddit?
Does ZMA work reddit?
The short answer
The threads report better sleep, vivid dreams and a general feel; the trials report nothing: the original industry-linked study found gains, the independent replication in trained men found no effect on strength, body composition or hormones. The forum effects are repletion in short lifters, expectation, and B6's dream anecdote.
- What the threads saybetter sleep, vivid dreams, a feel, sometimes strength: first-person and unblinded
- What the trials sayone industry-linked positive study; one independent null in trained men
- Why the threads feel itmagnesium repletion in short lifters, expectation, and B6's dream anecdote at a fraction of the studied dose
- The benefits that existzinc's and magnesium's own claims, at adequacy, from two stated tubs
Our brand: the worked example on this page
Futuro Labs Magnesium Glycinate
- 22p a day
- 180 capsules, 2 capsules daily
- Lab tested
- Made in the UK
The magnesium half of what ZMA was trying to be: Futuro Labs Magnesium Glycinate on Amazon UK, bisglycinate, 300mg elemental at 80% NRV, under the guidance level, £19.99 for 90 days at 22p. Full label breakdown. The ZMA-worth verdict is on the ZMA-worth page; the dose audit on the ZMA dosage page.
What the threads report and why, because the forum is a real source about experience and no source about effect
Does ZMA work, asked of the forums, gets a thread of answers that are real reports of experience and no evidence of effect, and reading them for what they are is the honest start. What the threads report, consistently: deeper sleep, vivid or strange dreams, a general sense of feeling better, sometimes better recovery and occasionally strength gains, alongside a minority reporting nothing and a few reporting nausea from the fasted bedtime dose. Why they report it has three honest explanations that do not involve the formula working as advertised. Repletion: many lifters run short of magnesium, on cuts that drop the nuts and greens and on bulks built on rice and chicken, and ZMA's 450mg of magnesium repletes a shortfall over weeks, restoring the nervous-system and psychological function the register's sentences name and the fatigue the shortfall was costing, which feels like the product working and is the mineral doing its maintenance job, an effect a plain magnesium would produce for a fraction of the price. Expectation: sleep is one of the most expectation-sensitive outcomes in medicine, placebo responses in insomnia trials being substantial and rapid, and a lifter who takes a product sold for sleep at bedtime and expects to sleep better usually does, for the first weeks at least, with a sugar pill doing the same. And the dreams: the vivid-dream report is ZMA's signature, and its likeliest origin is vitamin B6, whose small dream-vividness trial used 250mg of pyridoxine, many times ZMA's 10.5mg, so the anecdote has a mechanism at a dose ZMA does not deliver and a folklore that primes the sleeper to notice their dreams, the placebo again, the dream being real and the formula not the reason.
What the trials say, the benefits that belong to the minerals, and the question filed
What the trials say is short. The original ZMA study, in college footballers over eight weeks, reported gains in strength and in testosterone and IGF-1, and was conducted with the involvement of the formula's developer, the industry link the ZMA-worth page names. The one independent replication, in trained men over eight weeks of resistance training, found no effect of ZMA on strength, body composition or anabolic and catabolic hormones, the null result that has stood since, and no better trial has arrived to overturn it, so that on the evidence ZMA does not work in the sense the marketing means, the strength and hormone claims resting on a single linked study that did not replicate. The benefits that do exist belong to the minerals and not the formula: magnesium's authorised claims, normal muscle function, nervous system, psychological function, tiredness and fatigue, energy metabolism, for a lifter whose diet runs short; zinc's authorised claims, the maintenance of normal testosterone levels, immune function, fertility, skin, hair and nails, for a lifter short of zinc, maintenance rather than a rise; and B6's, lawful and unnecessary on most diets. Those benefits are had from two stated tubs at adequacy doses, magnesium at 300mg elemental as bisglycinate under the 400mg guidance level and zinc at 10 to 15mg under the 25mg level by audit, without ZMA's two failed audit lines, 30mg of zinc over its level and 450mg of aspartate magnesium at or over its own, and without the fasted bedtime instruction that produces the nausea the threads also report. The question filed: the threads are right about the experience and wrong about the cause, repletion, expectation and a B6 folklore explaining the feel, the trials are one linked positive and one independent null, and ZMA's benefits are its minerals' benefits bought less well, the worked example being the magnesium half of what the formula was trying to be, £19.99 for 90 days at 22p, with a small zinc beside it if the audit says so.
| The item | The threads | The trials and the register |
|---|---|---|
| Sleep | Better, often | No sleep claim; expectation and magnesium repletion in short lifters |
| Dreams | Vivid, the signature report | B6's dream trial used many times ZMA's dose; folklore primes the sleeper |
| Strength and hormones | Sometimes reported | One industry-linked positive; the independent replication null |
| Nausea | Reported by some | The fasted bedtime instruction |
| The benefits | Attributed to ZMA | Zinc's and magnesium's own claims, at adequacy |
| The better buy | Not discussed | Two stated tubs under both guidance levels |
The verdict, the experience is real and the formula is not the reason
Does ZMA work, according to the forums and the trials: the threads report better sleep, vivid dreams and a general feel, all real experiences explained by magnesium repletion in lifters who ran short, by expectation, which moves sleep quickly, and by a B6 dream anecdote at a fraction of the studied dose, while the trials report one industry-linked positive study and one independent replication finding no effect on strength, body composition or hormones in trained men, so ZMA's benefits are zinc's and magnesium's own claims bought less well, over two guidance levels and fasted at bedtime. The magnesium half done properly: Futuro Labs Magnesium Glycinate, bisglycinate, 300mg elemental at 80% NRV under the level, £19.99 for 90 days at 22p a day, with a small zinc beside it by audit.
What to check on the label
- Read the threads as experience: real, first-person, unblinded.
- Explain the feel honestly: repletion, expectation, B6 folklore.
- Read the trials: one linked positive, one independent null.
- Assign the benefits to the minerals: zinc's and magnesium's claims, at adequacy.
- Buy the two tubs instead: under both levels, with dinner.
Our brand
The worked example: Futuro Labs Magnesium Glycinate
Futuro Labs Magnesium Glycinate is the worked example for magnesium reviews because its label states every number a review needs: 1500mg magnesium bisglycinate at 20%, 300mg elemental, 80% NRV, 2 capsules a day, 180 capsules for £19.99, 22p a day, UK made, vegan HPMC shell, batch tested for lead, mercury, arsenic and cadmium, and only the register's own magnesium claims printed.
- 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
Does ZMA actually work?
Not on the evidence: the original study reported strength and hormone gains and was linked to the formula's developer, and the independent replication in trained men found no effect on strength, body composition or hormones, with no better trial since.
Why do people on forums say ZMA improved their sleep?
Three honest reasons: magnesium repletion in lifters who ran short, which restores the nervous-system function a shortfall was costing; expectation, which moves sleep quickly and is real; and a bedtime ritual, all of which a plain magnesium or a placebo would reproduce.
Why does ZMA cause vivid dreams?
Probably it does not: the vivid-dream trial used 250mg of vitamin B6, many times ZMA's 10.5mg, so the anecdote has a mechanism at a dose ZMA does not deliver and a folklore that primes the sleeper to notice dreams they would have had anyway.
What are the actual benefits of ZMA?
Its minerals': magnesium's muscle-function, nervous-system, psychological-function and fatigue claims and zinc's testosterone-maintenance, immune and fertility claims, at adequacy for a lifter who runs short, all available from two stated tubs under the guidance levels ZMA exceeds.
Is ZMA good for bodybuilding?
No better than its parts: the strength and hormone claims rest on a single linked study that did not replicate, and a bodybuilder short of magnesium or zinc gets the same maintenance benefits from separate tubs dosed by audit, with dinner rather than fasted at bedtime.
Sources
- Wilborn CD, et al. Effects of zinc magnesium aspartate (ZMA) supplementation on training adaptations and markers of anabolism and catabolism. Journal of the International Society of Sports Nutrition 2004;1(2):12-20. PubMed record
- Brilla LR, Conte V. Effects of a novel zinc-magnesium formulation on hormones and strength. Journal of Exercise Physiology Online 2000;3(4):26-36.
- The vitamin B6 and dreaming literature: a small trial reported increased dream vividness and recall with 250mg of pyridoxine before bed, a dose many times the B6 in a ZMA serving, the origin of the vivid-dream anecdote. PubMed record
- The expectation and sleep literature: placebo responses in insomnia trials are substantial and rapid, subjective sleep improving within nights of starting an inert treatment the sleeper believes in. PubMed record