Sentinel L-Arginine L-Ornithine Tablets Combine Two Essential Amino Acids To Promote Muscle Growth, Improve Athletic Performance, And Support Overall Health. This Supplement Enhances Nitric Oxide Production, Which Aids In Better Blood Circulation And Recovery From Physical Exertion. Active Ingredients L-Arginine (500Mg) – Supports Nitric Oxide Production, Improving Blood Flow And Cardiovascular Health. L-Ornithine (250Mg) – Plays A Role In Removing Ammonia From The Body And Promotes Muscle Repair And Energy Production.