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Catalyst

L-arginineFinding

L-arginine has no detected effect on time-trial completion time

no difference foundVery limited evidenceFinding

01 · The sentence it was drawn from

“Completion time of the 200-m freestyle swimming time-trial did not differ significantly (F = 4.55; P = 0.060; ŋp2 = 0.394) between control (149.40 ± 9.88 s), L-arginine (146.02 ± 10.34 s) and placebo trials (147.58 ± 10.86 s).”
Quoted verbatim from One-Week L-Arginine Supplementation Had No Effect on 200m Freestyle Swimming Time Trial in Moderately-Trained Male Swimmers.
This finding among the 21 findings on its endpoint

L-arginine

Time-trial completion time

no difference found

Who
Trained/developmental male swimmers (about 3 sessions per week), 200-m freestyle swimming time trial, randomised cross-over with a no-supplement control trial and a placebo trial
Dose studied
8 g/d L-arginine for 7 days

Very limited evidencePMID 36093907 · 2023

02 · The study

Study
crossover
Duration
7 days

Evidence, by strength

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

03 · The paper

Journal of dietary supplements
What else it reported1 finding · 1 compound · 1 endpoint

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M6Z9XX1VSSPFA5238WZ3KSA8