01 Apr 2020 --- US-based supplements company Life Extension has launched a new ingredient that is touted as promoting heart health and blood flow, while boasting convenience and a pleasurable flavor. NitroVasc Boost is a berry-flavored powder that encourages circulatory health, endothelial cell function and nitric oxide production, the company states. Made with patented nitrosigine L-arginine complex and a polyphenol-rich chokeberry whole fruit powder, NitroVasc Boost on-the-go stick packs can mix easily with pre-workout drinks, water or other beverages, tapping into the convenience trend.