Our pre-workout SUPP-D and our nitric oxide boosting supplement SWOLL-N both contain Agmatine Sulfate which is a much more effective and efficient NO nutrient partitioning compound then Arginine. Check out this website dedicated to information about the benefits of Agmatine Sulfate: Agmatine Sulfate Information - Home

Our nitric oxide booster SWOLL-N has 800 mg of Agmatine Sulfate in it to give you huge pumps, increase vascularity, and fight muscular fatigue while lifting. For more information on SWOLL-N go here: SWOLL-N - NLA Performance

Justin M.