PRODUCT DESCRIPTION Natrol L-Arginine contains ingredients for Improved Stamina & Performance L-Arginine plays a role in vasodilation, promoting healthy blood vessels and supporting vascular health.* Clinical studies suggest that a minimum of 3,000mg of L-Arginine is optimal to support vascular health.* L-Arginine supports muscle mass, athletic performance and immune activity.* The added B Vitamins (B-6, B-12, and Folic Acid) are vital to the bodys energy production. The result - lasting energy, stamina and performance.* L-Arginine is an amino acid that plays a beneficial role in overall vascular health by providing the nitrogen our bodies use to produce NO (nitric oxide). *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. BRAND STORY By Natrol Natrol L-Arginine Tablets, Promotes Stamina and Performance, Supports Sexual and Vascular Health, Contains Nitric Oxide with B Vitamin Complex, Amino Acid, Extra Strength, 3,000mg, 90 Count L-Arginine 90 Count (Pack of 1)