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What is OPC?

OPC
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What is OPC?

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OPC is the proprietary trademarked name for Dr. Masquelier’s patented proanthocyanidin plant extract. The complete name is Masquelier’s OPC. It is protected by U.S. Patent No. 4,698,360 as a free radical scavenging antioxidant. It contains extracts from both Maritime Pine bark and grape seeds. OPC is the result of 50 years of research by Dr. Masquelier.

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