L-Arginine 1000 mg, 120 Tablets, Skull LabsSkull Labs LArginine 1000 mg, 120 Tablets, is a dietary supplement designed to support physical performance and overall health. Each tablet contains 1000 mg of pure Larginine, an amino acid known for its role in nitric oxide production. Nitric oxide is crucial for enhancing blood flow and oxygen delivery to muscles during exercise, making this supplement particularly beneficial for athletes and individuals engaged in strength and endurance training.