Supports muscle protein synthesis</br>Enhances sexual responsiveness.</br>Supports the health of your blood vessels and circulation</br>Supports vasodilation to enhance blood flow</br></br>Product Description</br></br>Natrol L-Arginine is a naturally occurring amino acid vital for a variety of biochemical reactions in our bodies. L-Arginine is involved in cell division?? immune and cardiovascular functions?? release of growth hormone?? insulin?? and other substances.  L-Arginine supports muscle protein synthesis?? enhances sexual responsiveness?? supports the health of your blood vessels and circulation?? and supports vasodilation to enhance blood flow.  Directions: Take 3 tablets?? one time daily?? with a meal.  Natrol makes this product in the U.S.A.!</br><br/>http://www.amazon.com/gp/product/B001ES6Y8O