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Grape Seed Extract
Vitis vinifera
Antioxidantmoderate evidence
Oligomeric proanthocyanidins (OPCs) from grape seed inhibit cancer cell growth, induce apoptosis, and suppress angiogenesis in colorectal, breast, prostate, and lung cancers. They also reduce oxidative stress from chemotherapy and radiation.
Medicinal Properties
AntioxidantAnti-tumourAnti-angiogenicCardioprotective
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Cancer Types Studied
ColorectalBreastProstateLung
Recommended Dosage
150–300 mg standardised grape seed extract daily.
Preparations
GSE Capsules
150–300 mg standardised OPC extract daily with or without food.
NIH / PubMed Research
Links open on PubMed (National Library of Medicine). Research is ongoing — results may not reflect clinical use.
Cautions & Interactions
- May thin blood — caution with anticoagulants
- May interact with some chemotherapy drugs
- Avoid in grape allergy
- May lower blood pressure
Related Herbs
Informational only. Not medical advice. Consult your healthcare provider before use.