Animal studies and research using cell cultures have shown that D-aspartic acid supplements may enhance testosterone levels.

Look for products that use high-quality, pure D-aspartic acid to ensure the best possible ... on the label and to take the supplement with food. It is also important to drink plenty of water ...

In the United States, the Food and ... party tested products and consult a healthcare provider, registered dietitian nutritionist (RD or RDN), or pharmacist. D-aspartic acid binds to N-methyl ...