Taking a specific supplement called HMB-FA before a tough workout doesn’t change your hormone levels or inflammation markers the next day, at least not in guys who regularly lift weights.

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Pro

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Against

Evidence from Studies

Supporting (1)

54

Community contributions welcome

54

β-Hydroxy-β-methylbutyrate free acid reduces markers of exercise-induced muscle damage and improves recovery in resistance-trained men

Randomized Controlled Trial

Human

2013 Aug 28

The study gave trained men 3 grams of HMB-FA before a tough workout and checked their hormone and inflammation levels 48 hours later — and found no change. So yes, the supplement didn’t affect those levels, just like the claim says.

Contradicting (0)

0

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

β-Hydroxy-β-methylbutyrate free acid reduces markers of exercise-induced muscle damage and improves recovery in resistance-trained men

Score: 54

DOI: 10.1017/S0007114512005387

Similar Assertions

Taking a specific supplement called HMB-FA before a tough workout doesn’t make you lift more weight or change your starting strength — so if you feel better or recover faster, it’s probably because of the supplement itself, not because you worked out harder.

54

0

93%

If you're a guy who lifts weights regularly, taking a specific supplement called HMB-FA 30 minutes before a tough workout might make you feel 37% more recovered and ready to train again the next day—compared to not taking it.

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If you're a guy who lifts weights regularly, taking a specific supplement called HMB-FA about 30 minutes before a super tough workout might cut down muscle soreness and damage by nearly 70% compared to not taking it.

54

0

84%

Taking a specific supplement called HMB-FA before a tough workout might help slightly reduce muscle damage in guys who regularly lift weights, but the evidence isn’t strong enough to say for sure it works.

54

0

83%

During a tough leg workout, testosterone levels spike temporarily, but they go back to normal by the next day and don’t stay high.

30

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79%