Effectiveness Rating for D-Aspartic Acid's Ability to Increase Testosterone

The effectiveness rating is a measure of how well d-aspartic acid is able to increase testosterone. The overall rating for this claim is 1 out of 3. There is little if any research to warrant the use of D-Aspartic Acid to increase testosterone. Using D-Aspartic Acid to increase testosterone will probably not yeild any positive results and is likely a waste of money.

Confidence Rating for D-Aspartic Acid's Ability to Increase Testosterone

The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.

There are 3 studies in the database on d-aspartic acid; the confidence rating is 60. 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.


Title of Study
D-aspartic acid supplementation combined with 28 days of heavy resistance training has no effect on body composition, muscle strength, and serum hormones associated with the hypothalamo-pituitary-gonadal axis in resistance-trained men
Three and six grams supplementation of d-aspartic acid in resistance trained men
The effects of d-aspartic acid supplementation in resistance-trained men over a three month training period: A randomised controlled trial