Amino acid
Valine
Valine is an essential amino acid and one of the three branched-chain amino acids (BCAAs), along with leucine and isoleucine.
Also listed as L-Valine
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
Why people take it
Fitness21.2%
Essential Health21%
Energy20.9%
Immune Support10.8%
Weight Management5.4%
Cognition4.7%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Alanine
Leucine
Isoleucine