100 mg. Grape seed extract per serving 

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High concentrations of polyphenol antioxidants called OPCu0026#39;s

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Supports healthy cardiovascular function

nSolaray Grape Seed Extract 100 mg provides 100 mg. of Grape seed extract to help support a healthy heart. Grapes have a long history of use as both a food and a medicine dating back over 6,000 years to the ancient civilizations of Greece and Egypt. Grape seeds are known to contain high concentrations of polyphenol antioxidants called OPC's (oligomeric proanthocyanidin complexes). Research suggests that OPC's may provide nutritive support for healthy cardiovascular function and capillary integrity.