The overall rating for d-aspartic acid is 1 out of 3 meaning there is little if any evidence that this supplement does what it claims to do. Using this supplement will not lead to positive results.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Overall Effectiveness Rating
  4. Research Rating
  5. Products Containing D-Aspartic Acid
  6. Claim Ratings
  7. References

D-Aspartic Acid Simple Report

  • Supplement: D-Aspartic Acid
  • Supplement Category: non-essential amino acids
  • Number of Products Containing D-Aspartic Acid: 99
  • Effectiveness Rating: 1 out of 3
  • Research Rating: 40 (above 80 indicates sufficient research)
  • Number of Studies: 3
  • Number of Claims: 4

D-Aspartic Acid Detailed Report

Overall Effectiveness Rating

The overall effectiveness rating for d-aspartic acid is 1 out of 3. This rating means there is little to no evidence to back the supplement's use. Using this supplement will not lead to positive results. Note, this effectiveness rating is for d-aspartic acid as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for D-Aspartic Acid

There are 3 studies in the database on d-aspartic acid; the research 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 research rating is for d-aspartic acid as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing D-Aspartic Acid

Products Names Amount of D-Aspartic Acid
Prime-T 3.2g
Psychotic*2 1g
Testo Forge 390mg
Testoxeed 937.5mg
Test HD Black Onyx 3g
Full list of all 99 products containing D-Aspartic Acid.

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

Body Composition (weight, muscle, body fat) Claims Effectiveness Rating Research Rating
increase muscle mass

Performance Claims Effectiveness Rating Research Rating
increase strength

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

References

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
The effects of d-aspartic acid supplementation in resistance-trained men over a three month training period: A randomised controlled trial
Three and six grams supplementation of d-aspartic acid in resistance trained men