Grape Seed Extract
•Last Updated: September 28, 2022
Grape Seed Extract is a mixture of tannins and procyanidins (chains of catechins) that appears to exert anti-estrogenic effects and may enhance blood flow. More related to green tea catechins than to resveratrol mechanistically.
Grape Seed Extract is most often used for
Last Updated:September 28, 2022
Note that Grape Seed Extract is also known as:
- GSE
- OPC-3
- Oligomeric Procyanidins
- Procyanidin
Grape Seed Extract should not be confused with:
- Resveratrol (different molecule also from grapes)
- Pycnogenol (same molecules but different source)
Studies conducted in humans used in the range of 150-300mg Grape Seed extract daily for heart health purposes, while doses up to 600mg have been used with no reported side effects.
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