ADVANCED NITRIC OXIDE FORMULA EXPERIENCE THE ULTIMATE PUMP Experience The Ultimate Pump with the NEW Black Series NIOX™. Hyperemia aka “The Pump” is when an increase flow of blood, due to increased Nitric Oxide levels, engorges the working muscles causing the muscle to enlarge. Enlargement of the muscle causes the fascial layer to stretch beyond its normal size, making room for continued muscle growth. NIOX’s Advanced Formula spikes Nitric Oxide levels, shuttling blood, oxygen, and nutrients to working muscles. When combined with your workout, all 4 ingredients play a vital role in enhancing muscle pumps, improving endurance, and aiding in muscle growth. NIOX’s liquid capsules allow for the pre-dissolved and liquefied ingredients to enter your blood stream rapidly so you start feeling and seeing real results fast!