Containing a unique, patented ingredient, Swanson Ultra MegaNatural BP is a new kind of grape seed extract. Sure, it's a great antioxidant like any grape seed extract, but MegaNatural-BP has a distinct molecular difference that unleashes the true potential of its polyphenolic compounds. If you're watching your diet and exercising regularly to maintain healthy blood pressure, MegaNatural-BP could be just what you need to complete your personal wellness program.