"L-Arginine is an amino acid that plays an important role in the synthesis of proteins, the production of creatine phosphate (needed to produce ATP), and the synthesis of nitric oxide, a secondary messenger involved in blood flow.*"

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.If you have a medical condition (especially hypotension or herpes), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications (especially for blood pressure), consult your healthcare professional before using this product. Keep out of the reach of children. Store in a cool, dry place. Color of product naturally varies in color.