Grape Seed Extract
Grape seed extract is a dietary supplement often claimed to be beneficial for treating various conditions related to the heart and blood vessels. It appears to have antioxidant properties, protecting cells from free radicals (which play a role in age-related conditions, such as cancer and heart disease). Side effects that have been reported with this supplement include dizziness, nausea, and headaches.
Grape seed extract is a by-product of wine production. It is used medicinally for several different uses, many related to the heart and blood vessels.
(Click Benefits of Grape Seed Extract for more information on what the supplement is used for.)
Grape seed extract contains a variety of different compounds that may have medicinal activity. Many of these compounds seem to have antioxidant properties, protecting cells from free radicals (damaging molecules or atoms that can start a chain reaction of cellular damage). Free radicals play a role in various age-related conditions, such as cancer and heart disease. There may be other currently unknown ways that grape seed extract works for various uses.
In general, there is little scientific evidence to suggest that grape seed extract really is effective for most uses. However, early research shows promise for a few different grape seed extract uses.
(Click Does Grape Seed Extract Work? for more information.)
There is no established standard dosage, although general dosing guidelines may be obtained from a few clinical trials of grape seed extract products.
(Click Grape Seed Extract Dosage for more information.)