Does l-alanine work?

Overall Effectiveness Rating for L-Alanine

The overall effectiveness rating for l-alanine is 1 out of 3. This rating means there is little to no evidence l-alanine does what it claims. Using this supplement will not lead to positive results.

Overall Confidence Rating for L-Alanine

There is one study in the database on l-alanine; the confidence rating is 20. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for l-alanine as a whole. There are also individual ratings for the claims below.

Products Containing L-Alanine

Products Containing L-Alanine
Alpha Amino
Amino Build Next Gen
BCAA Energy
Full list of all 6 products containing L-Alanine.

Individual Claims

The overall ratings above do no necessarily reflect each claim about l-alanine. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

Performance Claims Effectiveness Rating Confidence Rating
improve cycling performance


Title of Study
Cycling time trial performance may be impaired by whey protein and L-alanine intake during prolonged exercise