L-Arginine 2000 100 Caps from Vitobest uses L-arginine from Ajinomoto®, a Japanese brand with over a century of tradition in amino acid production via fermentation. Enriched with vitamin C (Quali®-C from DSM®), it serves as an essential antioxidant. L-arginine is known for its ability to relax blood vessels, enhance wound healing, and stimulate growth hormone secretion, acting as a precursor to creatine. Its vegetarian capsules are vegan and free from titanium dioxide, as well as gluten. Vitobest guarantees the highest purity of its ingredients as a manufacturer. These capsules are ideal for those looking to increase and preserve muscle mass and should be taken before training or at bedtime. This supplement contains no allergens and has strict safety warnings for proper use.