Country Life, L-Arginine with B-6, 500 MG, 100 CapsProduct Description L Arginine is an amino acid, supports immune function. ** Amino acids, L Arginine 500 mg also include Vitamin B6 to aid in utilization.** Product Benefits Dietary Supplement. Ingredients Supplement Facts Serving Size: 1 Capsule Amount Per Serving % Daily Value Vitamin B6 (as pyridoxine hydrochloride) 10 mg 500% L Arginine (free form) 500 mg * * Daily Value not established. Other Ingredients: Cellulose (capsule shell), magnesium