Skip to content
Catalyst

L-tryptophanFinding

L-tryptophan increases time to exhaustion

raisesVery limited evidenceFinding

01 · The sentence it was drawn from

“The total exercise time was 49.4% greater after receiving L-tryptophan than after receiving the placebo.”
Quoted verbatim from Effect of L-tryptophan supplementation on exercise performance.
This finding among the 18 findings on its endpoint

L-tryptophan

Time to exhaustion

raises

Who
Twelve healthy sportsmen; treadmill run to exhaustion at a work load of 80% of maximal oxygen uptake, two separate trials (placebo and L-tryptophan)
Dose studied
not reported

Very limited evidencePMID 3246461 · 1988

02 · The study

Study
crossover
Duration
not reported

Evidence, by strength

  • strong
  • moderate
  • limited
  • very limitedthis finding
  • insufficient

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M70K35JMNKNNANXJDW1A3JB2