Dark chocolate contains a high concentration of compounds that are physically active and antioxidant. 

One of the most significant benefits touted by academics is the potential involvement of dark chocolate in enhancing heart health.

Many controlled studies demonstrate that cocoa and dark chocolate can enhance blood flow and reduce blood pressure. However, the effects are usually minor.

Flavanols can protect against UV damage, promote blood circulation to the skin, and boost skin density and moisture. 

Dark chocolate is full of nutrients. Of course, the darker the chocolate, the better, but any 70% dark chocolate or more contains antioxidants, fiber, potassium.

Many studies on chocolate and healthy cholesterol are short-term, so it is premature to conclude that chocolate is a cure for cholesterol.