Here's to your vascular health nitrovasc boost combines an innovative source of arginine with polyphenols from the Aronia berry to promote blood flow and circulatory health. This tasty drink mix encourages nitric oxide (NO) production in your vascular endothelium, the delicate inner lining of the blood vessels that is responsible for the healthy function of vital arteries and veins. Convenient, on-the-go stick packs nitrovasc boost comes in a delicious, berry-flavored powder. Take it on the go to the gym or to work. It mixes easily with a pre-workout drink or favorite beverage. Promote endothelial and cardiovascular health and encourage healthy nitric oxide production with nitrovasc boost.