I have recently started taking 100mg of grapeseed extract for healthier veins, circulation, skin, etc. Is this safe? I know years of tests with pine bark extract have been done, but it is still confusing. Is it possible that it is making me urinate more frequently?

A.

Grape seed and pine bark as well as grape skins, blueberries, cherries,hazelnut tree leaves, lemon tree bark and cranberries all contain bioflavanoids known as proanthocyanidins. Proanthocyanidins are powerful antioxidants, more potent than Vitamins C and E, especially protective of the connective tissue that provides structural support for other tissues in the body. Cartilage, blood vessels, and the eyes have all been shown in studies to benefit from supplementation of proanthocyanidins. The dose used in studies of proanthocyanidins is 20-40 mg three times a day from whatever source. The percentage of proanthocyanidins should be on the label of the product to aid you in figuring out how much to take.

Many of the plants and fruits that contain proanthocyanidins have known diuretic activity. So, it is not unexpected that you may have increased urine production. Another possibility is that due to the positive effects on blood vessels and circulation, that your kidneys have improved blood flow and are functioning better, therefore increasing your urine flow.

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* The information presented in this web site is intended to inform and educate. It is not intended replace a qualified medical practitioner to diagnose or treat medical conditions.