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Procyanidolic Oligomers (PCOS)

Procyanidolic Oligomers (PCOS)
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). 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 can be found in many plants, most notably pine bark, grape seed, and grape skin. However, bilberry, cranberry, black currant, green tea, black tea, and other plants also contain these flavonoids. Nutritional supplements containing proanthocyanidins extracts from various plant sources are available, alone or in combination with other nutrients, in herbal extracts, capsules, and tablets.

 

Products

Grape Seed Extract
Grape Seed Extract
50mg, 30 Caps
$7.90
Grape Seed Power 100
Grape Seed Power 100
30 caps
$12.48

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