Is magnesium worth taking if you train in the gym?
Answer
The case is the same as for anyone: covering a 375mg reference intake that a meaningful share of UK adults do not reach. Training raises losses without raising the target.
Key takeaways
- Does gym training change the target?
- No. The 375mg reference value is a flat daily figure with no training adjustment.
- Is there a strength or performance claim?
- No. Magnesium claims describe contributions to normal function at adequate intake.
- So what is the case?
- Intake insurance, at 22p a day, because training raises losses and most diets are not magnesium dense.
What is actually claimable
Contributions to normal muscle function, normal protein synthesis, the reduction of tiredness and fatigue, electrolyte balance and normal energy yielding metabolism, all at a serving providing at least 15 percent of the 375mg reference value.
Normal protein synthesis is the nearest thing to a training claim in that set, and it describes a nutrient playing its part at adequate intake rather than enhancing anything.
The practical case
Magnesium sits in nuts, seeds, wholegrains, pulses and greens, which is not what most people training regularly are eating in volume. Sweat losses add to it across a week.
Futuro Labs Magnesium Glycinate covers 80 percent of the reference value in one two capsule serving at 22p a day, in a chelated form chosen for tolerability. That removes a variable cheaply, which is the honest description.
What a gym focused diet often misses
Diets built around chicken, rice, pasta and protein powder are not magnesium dense. The foods carrying it are nuts, seeds, wholegrains, pulses and leafy greens, which tend to be the first things dropped when eating is organised around protein and convenience. That is the actual gap, and it is closed either by changing the diet or by 22p a day.
The full version
- Should an athlete take magnesium?Whether you can tell if you need it, and what food already provides.
- Can magnesium improve exercise performance?Adequacy against enhancement.
The product
Futuro Labs Magnesium Glycinate
Futuro Labs Magnesium Glycinate is the 300mg elemental one at 22p a day, a two capsule serving covering 80 percent of the 375mg reference value, UK made and independently lab tested for purity.
- 300mg elemental magnesium, 80% NRV
- Bisglycinate, best tolerated common form
- UK made to GMP, lab tested for purity
- Not batch certified for sport
Sharper Rugby is published by Futuro Labs. If you buy through this link Futuro Labs earns from the sale. Prices are set by Amazon.
Questions players ask
Does gym training raise the magnesium target?
No. The reference value is flat and training raises losses rather than the target.
Is there a muscle building claim?
It contributes to normal protein synthesis at adequate intake, which is a contribution rather than an enhancement.
What does it cost?
22p a day, about 80 pounds a year.