The Bully Nitric Oxide formula is a compound made from an amino acid alpha-ketoglutarate, a substance produced during the body's energy-generating process. Nitric Oxide 5000 bar is known to promote circulation. It's a precursor to nitric oxide (NO), which is a key regulator of vasodilatation (the process by which blood vessels dilates, allowing a greater volume of blood to flow through). The Nitric Oxide 5000 bar can significantly improve and enhance athletic performance by increasing oxygen supply and nutrient delivery to working muscles. The increased blood flow can also contribute and improve poor sexual performance. Additionally, Nitric Oxide 5000 stimulates the production of human growth hormone (HGH), a chemical produced by the body that promotes growth and plays an essential role in metabolism. HGH is popular among athletes because it's believed to play a part in building lean muscle mass and increasing strength.