Grape Seed Extract Drug Interactions

Theoretically, combining grape seed extract with medications that "thin" the blood may increase the risk of bleeding. At this time, it is not known how significant these interactions may be. Check with your healthcare provider before taking grape seed extract with any of these medications. This is probably most important for potent prescription anticoagulants or antiplatelet medications, such as heparin or warfarin, and less important for some other medications, such as NSAIDs.

 

It should be noted that this risk is entirely theoretical; many references do not even list any possible drug interactions for grape seed extract.

 

Final Thoughts on Drug Interactions With Grape Seed Extract

It is possible that not every grape seed extract drug interaction was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the possible interactions that may apply to you.