L-Arginine L-Citruline Extra Strength Plus Patented AstraGin! OVER 2,500 MG'S L-Arginine L-Citruline Extra Strength - Over 2,500 mg's - Nitric Oxide Booster - Plus Patented AstraGin for even Higher Absorption and Greater Value!! 1) EXTRA STRENGTH L ARGININE AND L-CITRULINE: A BLENDED FORMULA – Our Extra Strength L Arginine combines L-Arginine with Citrulline, a precursor to Nitric Oxide creation. We have combined L-Arginine with Citrulline to provide the definitive, synergistic blend of the key Nitric Oxide ingredients to make sure you are getting the maximum benefits Arginine can offer! 2) SUPPORTS LEAN MUSCLE & A HEALTHY LIFESTYLE- L Arginine is an essential amino acid that converts into Nitric Oxide. AstraGin – ABSORPTION ENHANCER AstraGin is NuLiv Science's exclusive absorption enhancing ingredient, and it supports amino acid, vitamin & mineral absorption. 5) DESIGNED TO BOOST ABSORPTION AstraGin supports amino acids, creatine, arginine, citrulline, beta-alanine, glucosamine and several other nutrients.