L-Arginine 750 mg - 120 capsulesL Arginine is a clinically useful amino acid for enhancing heart health, the circulatory system and the immune system.* It is a precursor of nitric oxide, known to be important for blood pressure maintenance and healthy endothelial function.* Arginine may be used along with LibidoStim M or LibidoStim F, but is not recommended with erectile dysfunction medications. Arginine is often used with HTN Complex for the natural promotion of healthy blood