Studies related to and

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
Effect None
Trial Design Double blind
Trial Length 2-4 Weeks
Number of Subjects 20
Sex Male
Age Range 18-29
Body Types Trained, Average
Notes for this study:
28 days supplementation of D-aspartic acid to resistance trained men at 3g was unable to change body composition or hormones (testosterone and estrogen) relative to placebo.