What are the best supplements for muscle gain in the UK male?

The word male changes nothing about the list: the products with a mark on the lean-mass ruler are dosed per kilogram of bodyweight, and the reference value does not know what sex is taking it

What are the best supplements for muscle gain in the UK for a male lifter is a question with a word in it that the shelf has built an entire aisle around, and the honest answer begins by showing that the word changes nothing about the list, because the supplements with a mark on the lean-mass ruler are dosed per kilogram of bodyweight and not per sex. Creatine monohydrate saturates the muscle's phosphocreatine stores at 3 to 5g a day in men and women alike, the authorised claim for physical performance in successive short bursts of high-intensity exercise attaches to the molecule at 3g a day for anyone, and the one to two kilograms of lean mass it adds over a block in the trials is a result in both sexes, with the absolute gain tracking the muscle mass the lifter already has rather than the sex of the lifter carrying it. Protein's mark is around 0.3 kilograms of fat-free mass for a lifter whose total intake is below about 1.6 grams per kilogram of bodyweight, and the number is the same for both sexes; a 90kg man needs about 144g a day and a 60kg woman about 96g, which is a larger absolute amount for the heavier lifter because he weighs more, and the same per kilogram because the muscle does not know. Caffeine's effect on reps and perceived exertion is at about 3mg per kilogram, 270mg for the 90kg lifter and 180mg for the 60kg one, scaled by bodyweight and metabolism rather than by sex, and the authorised claim for alertness at 75mg is the same claim. Magnesium's nutrient reference value is set by the UK at 375mg for adults regardless of sex, and the national diet survey finds men below it more often than women, which is a reason a male lifter more often opens the magnesium gate and is not a male dose; the claims, normal muscle function, normal protein synthesis, normal nervous system function and the reduction of tiredness and fatigue, are the mineral's and not the man's.

So a male lifter's list is the lifter's list scaled to his bodyweight: creatine monohydrate at 3 to 5g, protein to 1.6 grams per kilogram with powder only for the shortfall food leaves, caffeine at 3mg per kilogram before the sessions that need it, magnesium at a stated elemental dose when the plate is short, and vitamin D through the UK winter, under fifty pence a day. The trial literature has a sex imbalance that is worth knowing about for the opposite reason to the one the shelf uses it for: women have been under-represented in supplement and early-phase trials, so the evidence base is more male than the population, which means that a male lifter reading a creatine or protein trial is reading a trial that largely studied people like him, and that the shelf's claim to have something specifically for men is a claim made against a literature that was already mostly about men and found nothing sex-specific in it.

The one thing the word changes, the shelf aimed at it: the booster audit, the hardcore pre-workout, the mass gainer, and why each reads zero; the worked example, and the verdict

The one thing the word male changes is the shelf aimed at it, and the shelf is where the question's money goes. The testosterone booster is the male shelf's centrepiece, marketed with the word in large type and a promise about the hormone that sets the sex apart, and the 2020 audit of fifty top-selling products found under a quarter with any published data showing a testosterone increase, several with vitamins above tolerable upper levels, and none with a trial showing lean mass gained, so the category reads zero on the ruler with a safety note, and a male lifter whose testosterone concerns him has a morning blood sample with a doctor and the four levers, sleep, body fat, alcohol and the end of a cut, which the lion's mane testosterone page lays out, rather than a tub. The hardcore pre-workout is the male shelf's second product, sold on intensity and aggression with a label to match, and its active is caffeine at 200 to 400mg a serving, the upper end of which sits above the 3mg per kilogram the trials used and into the range where tremor, anxiety and a worse session begin, around a stimulant blend and a beta-alanine tingle, at ten times the price of the caffeine as a tablet; it reads on the session ruler as its caffeine and on the mass ruler as nothing. The mass gainer is the third, sold to the man who cannot gain weight, and it reads exactly what its protein grams read with sugar and maltodextrin around them at five times the price of the same calories as rice, oats and milk; a lifter who cannot gain weight has a food diary to keep before a tub to buy. The male shelf's three products are the anti-stack with a gendered label, and the ruler finds them where it finds the ungendered versions, at zero.

The worked example is a mineral whose reference value does not know who is taking it, priced per elemental milligram: {FL}, 1500mg magnesium bisglycinate stated as 300mg elemental at 80% of the 375mg NRV that applies to adults of either sex, two capsules with the evening meal, carrying the authorised claims for normal muscle function, normal protein synthesis, normal nervous system function and the reduction of tiredness and fatigue and no claim about men, testosterone, gains or anything the male shelf prints, batch tested for lead, mercury, arsenic and cadmium with the certificate on request, UK made under GMP and BRC, 180 capsules for £19.99 at 22p a day. The verdict on the best supplements for muscle gain in the UK for a male lifter is that the word changes nothing about the list and one thing about the shelf: the three products and two conditionals that read above zero on the ruler are dosed per kilogram and bought as commodities at pence by any lifter, the male aisle's boosters, hardcore pre-workouts and gainers read zero whatever the typeface, and a man who scales the lifter's list to his bodyweight and leaves the aisle where it is has bought everything the trials could find and nothing the marketing could.

What to check on the label

Questions people also ask

What are the best supplements for building muscle for men in the UK?

The same three products and two conditionals as for any lifter, dosed per kilogram of bodyweight rather than per sex: creatine monohydrate at 3 to 5g a day with its authorised claim and a mark of around one to two kilograms over a block; protein to around 1.6g per kilogram, with powder only for the shortfall food leaves; caffeine at about 3mg per kilogram before the sessions that need it; magnesium at a stated elemental dose when the plate is short, against a reference value of 375mg set for adults of either sex; and vitamin D through the UK winter; the word male changes the shelf aimed at the lifter and nothing about the list.

Do men need different supplements from women for muscle gain?

No; the supplements with a mark on the lean-mass ruler are dosed per kilogram of bodyweight, creatine saturates muscle stores at 3 to 5g in both sexes, protein's 1.6g per kilogram is the same number for both and a larger absolute amount only because a heavier lifter weighs more, caffeine's 3mg per kilogram scales by bodyweight and metabolism, and magnesium's nutrient reference value is set for adults regardless of sex; the trial literature has under-represented women, which means the evidence is more male than the population and has still found nothing sex-specific for the shelf to sell.

Do testosterone boosters help men build muscle?

No evidence that they do; the 2020 audit of fifty top-selling testosterone boosters, the male shelf's centrepiece, found under a quarter with any published data showing a testosterone increase, several with vitamins above tolerable upper levels and none with a trial showing lean mass gained, so the category reads zero on the lean-mass ruler with a safety note; a male lifter whose testosterone concerns him has a morning blood sample with a doctor and four levers that move the hormone, sleep, body fat, alcohol and the end of an energy deficit, rather than a tub marketed with the word in large type.

Are hardcore pre-workouts worth it for men?

No more than any pre-workout, which is to say their effect is their caffeine's: 200 to 400mg a serving, the upper end of which sits above the 3mg per kilogram the trials used and into the range where tremor, anxiety and a worse session begin, around a stimulant blend and a beta-alanine tingle that buffers efforts a lifter never makes, at ten times the price of the same caffeine as a tablet; the intensity on the label is marketing to the male shelf, the session effect is the caffeine's, and the mass effect is zero.

Is a mass gainer good for a skinny man trying to gain muscle?

It reads on the lean-mass ruler exactly what its protein grams read, with sugar and maltodextrin around them at about five times the price of the same calories as rice, oats, milk and peanut butter, so a lifter who cannot gain weight has a food diary to keep before a tub to buy, since most who say they eat a lot have not measured it; once the diary shows the shortfall, the calories are bought as food and the protein brought to 1.6g per kilogram with powder only for whatever food still leaves, and the gainer's premium is the price of not having measured.

Sources

1. Kreider RB, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition 2017;14:18. PubMed record
2. The protein intake and resistance training literature: meta-analyses support intakes around 1.6g per kilogram of body weight daily for maximising resistance-training gains, with diminishing returns above. PubMed record
3. The 2020 audit of testosterone booster supplements: of fifty top-selling products, under a quarter had any published data showing a testosterone increase for their ingredients, a tenth had data showing a decrease, most had no human data at all, and many exceeded upper intake levels for vitamins and minerals. PubMed record
4. The sex differences in pharmacology literature: women have been under-represented in early-phase and supplement trials, sex differences in body composition, enzyme expression and hormones can change a compound's effect, and claims that a product does something specific for men or for women require trials powered to detect that difference, which almost no supplement has. PubMed record

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