ProSupps L‑Arginine Nitrix Oxide 1000 mg (120 Tablets): A high‑potency amino acid supplement delivering 1,000 mg of pure L‑arginine per tablet. Designed to support nitric oxide production, it promotes muscle endurance, vascularity and recovery by enhancing blood flow and nutrient delivery. Manufactured in a cGMP-certified facility, and formulated without harmful additives or preservatives. Suggested usage: 1 tablet per day before a meal, or as directed by a healthcare professional.