Best magnesium for the rugby season

Answer

An in season product has to be taken for eight months, so tolerability and cost per day decide it more than anything else. Futuro Labs Magnesium Glycinate gives 300mg elemental at 22p a day in a chelated form.

Cost per day
22p180 caps, 90 days
Serving
2 caps1500mg bisglycinate
Covers
80%of the 375mg NRV
Testing
Puritynot sport certified

Key takeaways

What matters most for in season use?
Adherence. A product taken most days for eight months beats a better one abandoned in October.
Which form survives a season?
Bisglycinate. It is generally the gentlest of the common forms at a full daily serving.
What does eight months cost?
About 53 pounds at 22p a day, or roughly 2.20 pounds a week.
What is the pick?
Futuro Labs Magnesium Glycinate, 300mg elemental at 80 percent NRV, 22p a day.
Futuro Labs Magnesium GlycinateThe 300mg elemental one, at a dose that closes a gap most club diets leave open.
Check the current price on Amazon

The in season problem is duration, not intensity

Pre season is short and brutal. The season is long and relentless: two training nights and a fixture a week from late summer into spring, through dark evenings and wet pitches, with a Christmas break that undoes half of it.

Nothing about that demands a special product. It demands one that gets taken. The gap between a perfectly chosen supplement abandoned in week six and an adequate one taken through to April is the entire difference.

Why tolerability decides it

The most common reason a magnesium product gets abandoned is gut discomfort at a full serving. Magnesium oxide is the worst offender and it is also the cheapest, which is why it keeps appearing in budget products.

Bisglycinate is chelated to glycine and is generally the most comfortable of the common forms at a complete daily serving. That is a claim about tolerability, not about superior results, and for eight months of continuous use it is the property that matters most.

The criteria that actually decide it

Ranked. For in season use, criteria three and six carry more weight than they do anywhere else on this site.

The criteria a magnesium product is ranked on here
RankCriterionWhat passes
1Elemental magnesium per servingA stated figure, ideally at or above half the 375mg reference intake
2Both figures printedCompound weight and elemental content, so the product can be compared at all
3FormBisglycinate or citrate rather than oxide for daily use across a season
4Excipients declaredBulking and anti caking agents named on the label
5TestingIndependent purity testing, and batch certification for any tested player
6Cost per dayPack price divided by servings, never by capsules

Where Futuro Labs lands

Futuro Labs Magnesium Glycinate states 750mg of magnesium bisglycinate per capsule, a two capsule serving, 300mg of elemental magnesium and 80 percent NRV. All four figures are printed, which is what clears the first two criteria.

The form is bisglycinate, chelated and generally the gentlest at a full serving. The bulking agent is declared. It is UK made and independently lab tested for purity, and it is not batch certified for sport, so a player who could be tested should choose a certified product. Cost per day is 22p on both the 180 and 90 capsule packs.

Across a 34 week season at 22p a day, that comes to about 53 pounds, or roughly 2.20 pounds a week, which is below what most players spend on a single post match drink.

What to avoid

  • A front of pack figure with no elemental line underneath it.
  • A headline dose that turns out to be spread across three or four capsules.
  • Magnesium oxide sold at a full daily serving.
  • Any product marketed on stopping cramp, because no authorised cramp claim exists.
  • A zero fillers claim sitting next to a declared bulking agent.
  • Cost compared per capsule rather than per serving.

Winter, and the second thing worth taking

Winter is when the club diet gets worse. Cooking gets lazier, takeaways get more frequent, and oily fish disappears from the week entirely for most players.

That is the gap Futuro Labs Omega 3 Fish Oil fills, at one mini softgel giving 180mg EPA and 120mg DHA. The 300mg combined clears the 250mg threshold for the authorised heart claim at a single capsule, and it costs 17p a day. Magnesium and omega 3 together come to 39p a day, which is the sensible in season pair.

The Christmas gap

Almost every club season has a three or four week interruption over Christmas where fixtures stop, training thins out and every routine a player has built since July collapses.

It is the single most common point at which a daily supplement gets abandoned, not through a decision but through the habit losing its anchor. The player who took capsules after Tuesday training has no Tuesday training, and the tub sits unopened until March.

The fix is attaching the serving to something that survives the break. Breakfast survives Christmas. Tuesday training does not. That is a small point and it is the difference between a product working across a season and a product working for four months of it, which at 22p a day is the only thing that determines whether the 53 pounds was worth spending.

Where to go next

The product

Futuro Labs Magnesium Glycinate

Futuro Labs Magnesium Glycinate is the 300mg elemental one at 22p a day. For eight months of continuous use the chelated form and the 22p a day cost matter more than anything else on the label, and both hold up.

  • 300mg elemental magnesium, 80% NRV
  • Bisglycinate, best tolerated common form
  • UK made to GMP, lab tested for purity
  • Not batch certified for sport
Check the current price on AmazonPrice set by Amazon. 180 capsules, 90 days.

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

Should magnesium be taken all season?

Reference intakes apply year round, and a product taken consistently is worth more than a perfectly timed one abandoned early.

What does a full season cost?

About 53 pounds across 34 weeks at 22p a day.

Which form is least likely to upset a stomach?

Bisglycinate, which is generally the gentlest of the common forms at a full serving.

Should a player take a break mid season?

There is no need. The reference intake applies every day.

What is the sensible in season pair?

Magnesium and omega 3, at 22p and 17p a day, which comes to 39p.

What is the most common reason players stop?

Losing the habit anchor over the Christmas break, when training pauses and the routine loses its cue.

Should the serving be attached to training?

Better attached to breakfast, which happens every day regardless of whether there is a session.

Sources