Grape Seed Extract

BCCT plans to write a summary on grape seed extract. While our summary is in development, you can visit About Herbs: Grape Seed

Before using this therapy, consult your oncology team about interactions with other treatments and therapies. Also make sure this therapy is safe for use with any other medical conditions you may have.


The About Herbs summary on Grape Seed doesn’t list any adverse reactions. However, it lists several herb-drug interactions. For more information, see the summary linked above. If you are on any medications, consult with your physician and your pharmacist for potential drug-herb interactions before taking grape seed extract as a supplement.


BCCT does not recommend therapies or doses, but only provides information for patients and providers to consider as part of a complete treatment plan. Patients should discuss therapies with their physicians, as contraindications, interactions and side effects must be evaluated.

Dosage recommendations are available from these sources:

Integrative Programs, Protocols and Medical Systems

For more information about programs and protocols, see our Integrative Programs and Protocols page.

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