Heart & Immune Support - L-Arginine is a useful amino acid for enhancing heart health, the circulatory system and the immune system.*
Nitric Oxide Precursor - Nitric oxide is known to be important for blood pressure maintenance and healthy endothelial function.*
Always Pure & Effective Products - This product is Non-GMO, Vegetarian-Friendly, and contains No Gluten, Dairy, or Soy.*
Over 50,000 Doctors Agree - Designs for Health is the physician's choice for top quality professional strength supplements since 1989. Our "Science First" philosophy ensures our products are based on the most recent research and use the highest quality raw ingredients.