Arginine

Does arginine work?

Overall Effectiveness Rating for Arginine

The overall effectiveness rating for arginine is 1.6 out of 3. This rating means there is some evidence that using arginine may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.

Overall Confidence Rating for Arginine

There are 20 studies in the database on arginine; the confidence rating is 40. 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 arginine as a whole. There are also individual ratings for the claims below.

Products Containing Arginine

There are 30 products in the database containing Arginine. Follow the link to see the full list.

Individual Claims

The overall ratings above do no necessarily reflect each claim about arginine. 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.

Body Composition (weight, muscle, body fat) Claims Effectiveness Rating Confidence Rating
decrease body fat
increase muscle mass
increase weight loss

Protein Synthesis Claims Effectiveness Rating Confidence Rating
decrease protein breakdown

Performance Claims Effectiveness Rating Confidence Rating
improve cycling performance
improve running performance
improve sports performance
improve sprint performance
decrease fatigue
increase strength
improve cycling sprint performance

Hormone Function Claims Effectiveness Rating Confidence Rating
increase levels of growth hormone
increase levels of growth hormone releasing hormone

Recovery Claims Effectiveness Rating Confidence Rating
improve recovery