NUTRIJA D-Aspartic Acid Capsules provides you 100% pure D Aspartic Acid in each serving, which incresaes the amount of testosterone in your body, that supports to build muscle faster and recover more quickly while increasing muscle strength. NUTRIJA D-Aspartic Acid has effect on increasing the release and the synthesis of testosterone It Increases Test levels by stimulating the production of signal molecules which in turn enhance the activity in your testosterone.