Source Naturals Pycnogenol® Supreme is a powerful antioxidant complex that features Pycnogenol® as well as over 30 different botanicals, including hawthorn berry, astragalus root and cranberry extract.  Pycnogenol® is a premium, scientifically researched pine bark extract.  Pycnogenol® Supreme also includes a 500 mg serving of vitamin C in each serving.