Graded against 173,636 supplements + 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, NIH DSLD
Grape Seed/Skin Extract
MODERATE EVIDENCESupplementLast updated
AVELOR SUMMARY
Proanthocyanidins (OPCs) from grape seeds are potent antioxidants and endothelial protectors. French Paradox partially explained by wine polyphenols. MegaNatural-BP® reduced BP by 8/5 mmHg in 300mg/day study. Standardize to OPC content.
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*Reviewed by the Dose AI Research Team and Clinical Advisory Board*
*Last updated: 2026-04-06*
Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.