- Grape seed extract remains in the body for up to 3 days, which is significantly longer than vitamins C and E. As a result, the antioxidant powers are greater. According to many lab studies, it contains flavonoids, specifically oligomeric procyanindins or OPCs, which are powerful antioxidants. For more information see the resource listed below.
- In addition, the flavonoids present in grape seed extract trigger natural disease-fighting enzymes. Reservatrol is also present and is a known anti-inflammatory. Therefore, grape seed extract is helpful in capillary repair and improving overall circulation. It also helps to lower cholesterol and slow tumor growth.
- Studies have been conducted to examine the effects of grape seed extract on breast cancer. According to researchers at the City of Hope Cancer Center in Duarte, Calif., grape seed extract and its components may have an impact on estrogen levels. However, more studies must be done to prove whether grape seed extract works to directly prevent breast cancer.
- When applied topically, grape seed can have some positive effects on the skin. Grape seed extract has properties that help in the maintenance of collagen and elastin.
- Grape seed extract comes in a few different forms, primarily capsule or tablet form. It can be found on its own, or in combination with multivitamins or herbal supplements. There are also cooking oils that contain grape seed extract, as well as certain green and black teas.
- Dosage varies, depending on the specific result. Currently, there are no recommended daily allowances. Nutritionists tend to suggest 50mg to 100mg per day, but checking with a physician or nutritionist first is always a good idea.
- Side effects of grape seed extract seem to be minimal, but they don't negate an allergy to grapes. It can cause additional bleeding in person taking blood thinners. Other minor side effects may include dizziness, nausea or some interference with cholesterol-lowering drugs.
