Pycnogenol for Tinnitus

Pycnogenol is the United States registered trademark name for a type of pine bark extract made from the pine bark of a tree known as Pinus pinaster. It is very effective in treating circulation problems. Studies

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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