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Guess what, chocolate is healthy. Well, that is only partially true, but at least we got your attention. The raw cacao bean increases nitric oxide and is loaded with antioxidants. Cacao can lower blood pressure and markers of inflammation. Unfortunately, chocolate is loaded with sugar. Save it for special occasions and skip the milk chocolate.
This results in vasodilation, or widening of the blood vessels, and an increase in blood flow. Nitric oxide helps the blood vessels maintain their flexibility so that the blood can flow unrestricted throughout the body, including the penis. As mentioned, L-arginine is the substance the body uses to create nitric oxide.