NOW Foods, L-Arginine, 500 mg, 100 Vegetarian Capsules

NOW Foods L-Arginine provides 500 mg of L-arginine per vegetarian capsule. L-arginine is a semi-essential amino acid that the body uses to produce nitric oxide, a compound that helps relax and widen blood vessels. It plays important roles in protein synthesis, wound healing, and immune function. This supplement comes in 100 vegetarian capsules. Arginine is also involved in the urea cycle, which helps detoxify ammonia in the body, and is found in protein-rich foods.