Does l-carnitine work?

L-Carnitine Claims

The supplement database currently has 1 claim for L-Carnitine. The claims include: decrease fatigue.

Overall Effectiveness Rating for L-Carnitine

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

Overall Confidence Rating for L-Carnitine

There is one study in the database on l-carnitine; 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-carnitine as a whole. There are also individual ratings for the claims below.

Individual Claims

The overall ratings above do no necessarily reflect each claim about l-carnitine. 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.

The effectiveness rating for l-carnitine's ability to decrease fatigue is 1 out of 3. The confidence rating for this claim is 20. This means there is not enough evidence in the database on this claim and the effectiveness rating above is not valid. Read more about l-carnitine's ability to decrease fatigue.

Effectiveness Rating for this claim: 1 out of 3

Confidence Rating for this claim: 20