Xtreme NO for men is one of the effective muscle building products that bring with it a perfect solution to build your body's muscle. It comes under the category of a powerful Nitric Oxide Muscle building supplements. This product contains all medically tested and professionally proven ingredients. The main ingredient of the supplement is L-Arginine. Its main function is that it transforms itself into nitric acid that helps in the relaxation of blood vessels. L-Arginine also helps to treat heart failure, clogged artery chest pain, clogged arteries or arthrosclerosis, coronary artery disease, etc. It also helps in producing protein and boosts stamina.