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Home > Brands A-Z > Vitamins and Supplements by Brand > N > Now Foods > Antioxidants > Grape Seed Extract

Grape Seed Extract

Grape Seed Extract contains a class of compounds called proanthocyanidins. These compounds have powerful free radical scavenging capabilities and work synergistically with other antioxidants like vitamin C to support immune system function.

Proanthocyanidins—also called "OPCs" for oligomeric procyanidins or "PCOs" for procyanidolic oligomers—are a class of nutrients belonging to the flavonoid family. Proanthocyanidins have antioxidant activity and they play a role in the stabilization of collagen and maintenance of elastin—two critical proteins in connective tissue that support organs, joints, blood vessels, and muscle.1 2 Possibly because of their effects on blood vessels, proanthocyanidins have been reported in double-blind research to reduce the duration of edema after face-lift surgery from 15.8 to 11.4 days.3 In very preliminary research, proanthocyanidins were reported to have anti-mutagenic activity (i.e., to prevent chromosomal mutations).4

Proanthocyanidins have been shown to strengthen capillaries in double-blind research using as little as 100 mg per day.5 In another double-blind trial, French researchers reported that women with chronic venous insufficiency had reduced symptoms using 150 mg per day.6 In another French double-blind trial, supplementation with 100 mg taken three times per day, resulted in benefits within four weeks.7

Proanthocyanidins (200 mg per day for five weeks) have improved aspects of vision (visual performance in the dark and after exposure to glare) in healthy people.8 9 A product that is high in proanthocyanidins has been shown to prevent and reverse abnormal blood clotting in smokers.10


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Grape Seed Anti 60 Mg 30 Capsules - 30 caps
padGrape Seed Anti 60 Mg 30 Capsules - 30 caps
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Retail price: $5.99
Sale price: $3.19
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Grape Seed Anti 60 Mg 90 Capsules - 90 caps
padGrape Seed Anti 60 Mg 90 Capsules - 90 caps
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Retail price: $13.99
Sale price: $7.49
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Grape Seed Anti 60 Mg 180 Capsules - 180 caps
padGrape Seed Anti 60 Mg 180 Capsules - 180 caps
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Retail price: $25.99
Sale price: $13.79
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Grape Seed Anti 100 Mg 100 Capsules - 100 caps
padGrape Seed Anti 100 Mg 100 Capsules - 100 caps
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Retail price: $19.99
Sale price: $10.58
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Grape Seed Anti 100 Mg 30 Capsules - 30 caps
padGrape Seed Anti 100 Mg 30 Capsules - 30 caps
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Retail price: $8.99
Sale price: $4.79
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Grape Seed Anti 100 Mg 200 Capsules - 200 caps
padGrape Seed Anti 100 Mg 200 Capsules - 200 caps
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Retail price: $37.99
Sale price: $20.11
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padGrape Sd Anti Twins - 60 mg 180 vegi cap
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Retail price: $22.99
Sale price: $14.58
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Grape Seed Extract



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Dr. Mark Kowalski, founder of MyVitanet.com
As a healthcare practitioner, I believe that preventive care is of the utmost importance in helping people achieve their health goals.
Education:Wright State University:Cleveland Chiropractic College National College post Graduate Studies.
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