D-Aspartic Acid

Category: amino-acid

Aliases: DAA, D-aspartate

Pharmacological Mechanism

D-enantiomer of aspartate — accumulates in pituitary + testes where it stimulates GnRH / LH / testosterone release acutely. Modest short-term testosterone bump (~30%) in untrained men attenuates / reverses by week 3+. Weak ergogenic / libido effect.

Half-Life (t½)

PO: 4h

Dosing Guidelines

Target Organ Systems