Before using Pycnogenol, some people may wonder if it works. Because Pycnogenol is a dietary supplement, it can be marketed without any evidence that it is safe or effective. There does, however, appear to be some scientific evidence that Pycnogenol is effective at treating asthma, chronic venous insufficiency, high blood pressure, and retinopathy. Pycnogenol may work for other conditions also, but more research is needed.
Pycnogenol® is a patented extract that is used in many dietary supplements. As a dietary supplement, Pycnogenol can be marketed in the United States without any evidence that it is either safe or effective. Often, the extract is claimed to work for the following conditions: