5% Nutrition Core L-Citrulline 3000Contains 60 Servings L Citrulline is a well known nitric oxide booster which helps improve blood flow. Combined with the cell saturating GlycerSize (Glycerol Powder) you get a powerful muscle pumping, skin stretching, NO Booster. Few things are as great as that feeling of looking in the mirror after a brutal workout and seeing your muscles swollen to their limits. And there is no better way to achieve this than taking proven pump ingredients before