Performance tier list

15 supplements and medications people take for strength, endurance, muscle, sorted by 1,428 first-hand reports. The tier is how many people say it helped, adjusted for sample size — S-tier means at least 80% even in the worst case the data allows. Only entries with 30+ reports for performance.

Very likely to help

Creatine98%of 542 Testosterone98%of 180 Whey Protein100%of 51 Phenylpiracetam100%of 47 Tadalafil97%of 69 Citrulline100%of 31 L-Citrulline98%of 45 Beta-Alanine95%of 96 Cordyceps96%of 53 Agmatine97%of 35 Citrulline Malate94%of 49 MK-67790%of 87

Likely to help

Tongkat Ali90%of 60 Ecdysterone91%of 34 Caffeine88%of 49

Often helps

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Hit or miss

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Usually doesn't help — some make it worse

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Download as image Full ranking for performance

Peptides and SARMs are not included in tier lists. Information only — not medical advice. How tiers are calculated