Can You Take Arginine with Aspartic Acid?

Research indicates that taking Arginine and Aspartic Acid supplements simultaneously does not cause significant interactions. Studies in rats have shown that the levels of these amino acids change in various organs, but no direct adverse effects were reported. Overall, the evidence suggests that combining these supplements is safe. One study showed that arginine and aspartic acid derivatives had an almost equal inhibitory effect on the incorporation of both arginine and aspartic acid. This suggests a potential biochemical interaction at the level of utilization or incorporation into proteins or other molecules. However, no direct interaction that would cause harm has been reported.