Macular Degeneration Home > Grape Seed Extract

Potential Side Effects

Even though it is a "natural" product, grape seed extract can cause side effects. Some of the most commonly reported side effects include:
  • Headaches
  • Itchy, dry scalp
  • Dizziness
  • Nausea.
(Click Grape Seed Extract Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)

Drug Interactions

Theoretically, grape seed extract may interact with a few medications (see Grape Seed Extract Drug Interactions).

Safety Issues With Grape Seed Extract

Grape seed extract seems to be relatively safe for many people, especially when used in moderation. However, some people may be more likely to experience problems than others. Therefore, you should talk with your healthcare provider prior to taking this product medicinally if you:
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Is Grape Seed Extract Safe? for more information, including any available warnings and precautions.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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