Dr. Leo Shub has been the “on call” doctor regarding Men’s health issues for top executives at Pepsi, Walmart, Citibank, IBM, Coca Cola, Fedex, American Airlines, UPS, Home Depot and even the FBI. He eventually discovered that the endothelium has a large impact on blood flow, stamina, performance, and libido. He discovered a formula that supports the health of the endothelium, naturally, at any age.