13 supplements · Works or likely works
These actually work.
Every one has strong human evidence for at least one goal. Pick yours below, or open one to see the papers.




Beta-alanine
WorksFor high intensity
4–6 g/day20 papers

Caffeine
WorksFor endurance · strength · high intensity
3–6 mg/kg22 papers

Creatine monohydrate
WorksFor strength · muscle gain · high intensity
3–5 g/day27 papers

Protein powder
WorksFor muscle gain · strength
20–40 g/serving27 papers

Sodium bicarbonate
WorksFor high intensity · strength · endurance
0.2–0.3 g/kg21 papers

Ashwagandha
Likely worksFor health · sleep
600 mg/day19 papers

BCAAs
Likely worksFor recovery
≈5.6 g14 papers

Citrulline malate / L-citrulline
Likely worksFor high intensity
6–8 g13 papers

Collagen peptides
Likely worksFor recovery
5–15 g/day9 papers

Dietary nitrate
Likely worksFor endurance · high intensity · strength
8–16 mmol22 papers

Omega-3
Likely worksFor recovery
1–2 g EPA+DHA/day10 papers

Tart cherry
Likely worksFor recovery
30 mL concentrate twice daily7 papers

Taurine
Likely worksFor endurance
1–6 g pre-exercise9 papers