Do you often suffer from muscle cramps long after a good work out? We are often told that magnesium is a good supplement to take to alleviate the pain and discomfort of such cramps. More recent clinical trials however have shown that French maritime pine bark extracts can have greater benefits than vitamin C and magnesium – 20 times more to be exact. It can also improve your endurance by up to 21%. The French maritime pine bark may also be instrumental in nitric oxide production in the body.