SOLARAY L-ARGININE is a dietary supplement in capsule form, containing 500 mg of L-arginine per capsule. L-arginine is an essential amino acid used by the body to produce nitric oxide, a compound that helps dilate blood vessels and improve circulation. This product is commonly used to enhance athletic performance, boost energy, promote cardiovascular health, and support sexual function. Composition The composition of SOLARAY L-ARGININE 500mg. 100 capsules is 500 mg of L-arginine per capsule. Pharmaceutical advice A pharmacists tip for this product is to follow the manufacturers recommended dosage instructions. Additionally, its important to consult a healthcare professional before starting any supplement, especially if you have a pre-existing medical condition or are taking other medications.