Contains arginine, a nitric oxide precursor, to support healthy circulation and delivery of oxygen to working muscle
Provides citrulline to delay the onset of muscle fatigue, maintain acid-base balance, promote aerobic energy production in muscle cells during exercise, and enhance arginine and nitric oxide production
Includes vitamin C to enhance nitric oxide activity and provide blood vessel endothelial antioxidant protection

Other ingredients:

Pure Encapsulations Nitric Oxide Support - 162 Grams