Vitamode® L-Arginine Plus L-Citrulline Capsule contains L-Arginine and L-Citrulline which are critical to the production of nitric oxide (NO) in the body. NO helps regulate and improve blood circulation. By improving blood circulation, men’s health and sports performance can also be enhanced. Vitamode® L-Arginine Plus L-Citrulline Capsule is also recommended for the improvement of cold hands and feet among the elderly and women.