N-Methyl-D-Aspartic Acid

Does n-methyl-d-aspartic acid work?

Overall Effectiveness Rating for N-Methyl-D-Aspartic Acid

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

Overall Confidence Rating for N-Methyl-D-Aspartic Acid

There is one study in the database on n-methyl-d-aspartic acid; 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 n-methyl-d-aspartic acid as a whole. There are also individual ratings for the claims below.

Products Containing N-Methyl-D-Aspartic Acid

Individual Claims

The overall ratings above do no necessarily reflect each claim about n-methyl-d-aspartic acid. 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

Performance Claims Effectiveness Rating Confidence Rating
increase strength

Hormone Function Claims Effectiveness Rating Confidence Rating
increase testosterone
increase luteinizing hormone


Title of Study
Heavy Resistance Training and Supplementation With the Alleged Testosterone Booster Nmda has No Effect on Body Composition, Muscle Performance, and Serum Hormones Associated With the Hypothalamo-Pituitary-Gonadal Axis in Resistance-Trained Males