L carnitine vs L arginine for erectile dysfunction Klow Blend 80mg BPC 157, TB 500, KPV, GHK Cu Bluewell Peptides 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 Each serving contains L Arginine 5 gm, L Carnitine 500 mg, DHA (10%) 200 mg, Proanthocyanidin 75 mg, Vitamin B6 2.5 mg, Niacinamide 18 mg, D Panthenol 5 mg L Carnitine vs L Arginine: Understanding Their Differences and Benefit Fitness Health