Natural Factors L-Arginine, 1000 mg, 90 TabletsNatural Factors LArginine, 90 Tablets, 1000 mg, is a dietary supplement designed to support various aspects of health. LArginine is an amino acid that plays a crucial role in heart and immune system function. It aids in muscle strength and density, making it beneficial for those engaged in physical activities. One of the key features of Natural Factors LArginine is its ability to increase nitric oxide production. This helps improve blood circulation