About red grape seed extract
Grape seed polyphenol supplement
Used for
- Used as an antioxidant supplement; evidence for specific health benefits is limited.
Usual adult dose
No established standard dose; follow the product label.
Common side effects
- Stomach upset
- Headache
- Dizziness
Important warnings
- May increase bleeding risk, especially with blood-thinning medicines.
- Supplement quality and ingredient content can vary.
Pregnancy
Safety is not established; medicinal use is generally avoided due to limited evidence.
Breastfeeding
Safety is not established due to limited evidence.
Interactions
- Blood thinners and antiplatelet medicines may increase bleeding risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.