L Citrulline vs L Arginine: Boost Your Performance! L Citrulline vs. L Citrulline DL Malate: Which Is Best? Nootropics Depot Ditch arginine and go for L citrulline! This common blood flow improving ingredient has better absorption, boosts nitric oxide more effectively, and is way gentler on your stomach. If you take pre workout, check Icarifil, a Natural Mixture Based on L Citrulline and L Carnitine as a Novel Multicomponent Nutraceutical to Modulate ROS and PDE5 Which amino acid is better l citrulline or l arginine Infinite Labs Which amino acid is better l citrulline or l arginine Infinite Labs