Vitis vinifera (seed)
Rich in OPCs (oligomeric proanthocyanidins) — powerful antioxidants studied for cardiovascular, skin, and venous health. 20x stronger than vitamin C.
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If you take any medications, review these interactions carefully.
May interact with blood thinners, NSAIDs, and CYP-metabolized drugs.
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Discontinue 2 weeks before surgery.
Generally well tolerated. Headache, GI upset, dizziness.
Full dosage ranges, extraction ratios, and step-by-step preparation instructions for Grape Seed Extract are available to members.
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