NITRIC OXIDE BOOSTER - Supplies L-Arginine a Nitric Oxide Precursor - Maintain Optimal Cardiovascular Health - Supports Improved Blood Flow</br>SUSTAINED RELEASE L-ARGININE - Unique Patented Cardiovascular Care Formula - Maintains Optimal L-Arginine Levels Over 24 Hours - 2 Capsules Daily</br>BOOSTS CARDIOVASCULAR HEALTH - Boosts Vascular Function - Helps Maintain Cardiovascular Vitality - Helps Support Healthy Blood Pressure Levels</br>IMPROVES OVERALL HEALTH - Promotes Healthy Breathing - Helps Support Immune Function - Improves Tolerance for Exercise - Cardiovascular Support</br>SUPPORTS IMMUNE SYSTEM - When You Take Care Of Yourself You Provide Your Immune System The Tools It Needs To Battle To Keep You Healthy!</br></br>Product Description</br></br><p><b>Dr Mercola L-Arginine</b> is an excellent choice in cardiovascular health care supplements because of its unique patented sustained release formula. L-Arginine is a semi-essential amino acid which plays a vital role in nitric oxide production. In other words it is a precursor - or building block - used by the body in the manufacture of nitric oxide. And nitric oxide is important as it?? in turn?? helps your blood vessels (or vascular system) to function as they should?? i.e. to remain relaxed and open so your blood can flow easily throughout your body.</p><p>As you can imagine?? maintaining optimal vascular health is vital to your total body health. And this is what makes a sustained release L-Arginine cardiovascular support supplement like Dr Mercola L-Arginine so vital to maintaining optimal cardiovascular health. This is not your average nitric oxide booster or cardiovascular care supplement.</p><p>What makes Dr Mercola L-Arginine such an excellent choice of vascular health supplements is