Arginine is a conditionally nonessential amino acid, the biosynthetic pathway however does not produce sufficient Arginine, and some must still be consumed through diet. Individuals who have poor nutrition or certain physical conditions may be advised to increase their intake of foods & products containing arginine.

Arginine plays an important role in cell division, the healing of wounds, immune function, and the release of hormones and also been used as a treatment for erectile dysfunction.

The Benefits and functions attributed to oral supplementation of L-arginine include: