Helps increase muscle size, strength, endurance, power output and load capacity. Helps amplify muscle growth signals, accelerates fast-twitch muscle strength, provides complete full-body muscle recovery and helps increase the body’s endurance index.Directions:As a dietary supplement, take three capsules twice dialy - once in the morning on an empty stomach and 1/2 hour before lunch. Supplement Facts Serving Size 3 TabletsAmount Per 3 Tablets % Daily ValueArginine alpha-Ketoglutarate (A-AKG) 3,000 mg. ** Daily Value Not EstablishedOther Ingredients: Calcium phosphate, Gelatin.Warnings- Do not use if you are pregnant or nursing or if you are at risk or are being treated for low blood pressure, high blood pressure, or diabetes. Use with caution if you have a history of cold sores. Ephedra, Ephedrine or caffeine products may reduce effectiveness of Pump-O2. Not for use by anyone under 18.