Grape seed extract
Grape seed extract is an industrial derivative of whole grape seeds.
The extract contains proanthocyanidins.[1] In alternative medicine, grape seed extract is sold in dietary supplement form and claimed to have numerous health benefits which are not supported by sufficient medical evidence.[1]
Research and potential health effects
GSE is being investigated for its potential antibacterial properties.[2]
A meta-analysis of randomized controlled trials concluded that "grape seed extract appears to significantly lower systolic blood pressure and heart rate, with no effect on lipid or C-reactive protein levels."[3]
The US National Center for Complementary and Integrative Health reported that oral administration of grape seed extract was well tolerated in people over 8 weeks, although there are no studies yet indicating its effectiveness in treating diseases.[1]
Side effects may include itchy scalp; dizziness, headache, high blood pressure or nausea.[1]
See also
References
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