L Citrulline vs L Arginine: The Right Amino Acid for Formula Citrulline vs. Arginine Which One's Better for Vasodilation? @moreplatesmoredates A lot of pre workouts still include Arginine under the assumption that since it's the direct precursor to nitric oxide, it must be Agmatine vs. Arginine vs. Citrulline: Nitric Oxide Booster Showdown Transparent Labs The Effects of Consuming Amino Acids L Arginine, L Citrulline (and Their Combination) as a Beverage or Powder, on Athletic and Physical Performance: A Systematic Review