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Olive leaf

Also called: Olea europaea, oleuropein

An extract from olive tree leaves, rich in an antioxidant called oleuropein. Small studies suggest it may help blood pressure and blood sugar.

Supplements can interact with medications and aren't right for everyone, especially during pregnancy or breastfeeding, or with a chronic condition. Ask your provider before you start.

Studied for

  • Blood pressure support
  • Blood sugar support
  • Immune support
  • Antioxidant support

Found naturally in

  • Olive leaf tea
  • Olives and extra virgin olive oil contain related compounds

Label red flags

  • Oleuropein content not listed

Check with a provider

  • Taking blood pressure medicine, since effects may add up
  • Taking diabetes medicine, since it may lower blood sugar
  • Pregnancy or breastfeeding: not well studied
  • Allergy to olive tree pollen

Supplements that contain it

One product in Dr. Lesher's dispensary lists olive leaf on the label.

Dr. Lesher, ND

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Dr. Lesher is a Naturopathic Doctor who focuses on autoimmune and chronic conditions in women. Since 2020, she's helped hundreds of patients stop managing symptoms and start healing.

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