Olive (Olea europaea) is a tree with edible fruit, leaves, and seeds. The fruit and leaves are sometimes used as medicine.

Olive leaf might lower blood pressure. Olive fruit might also be able to kill microbes, such as bacteria and fungus.

People use olive for osteoarthritis, rheumatoid arthritis (RA), and many other conditions, but there is no good scientific evidence to support its uses.

Don't confuse olive with olive oil, the oil from olive fruit. These are not the same.
When taken by mouth: Olive fruits are commonly consumed as food. But there isn't enough reliable information to know if it is safe to use the fruit in larger amounts as medicine. Olive leaf extract is possibly safe when used appropriately.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Olive fruits are commonly consumed as food. There isn't enough reliable information to know if olive is safe to use as medicine when pregnant or breast-feeding. Stay on the safe side and stick to food amounts.


There is interest in using olive for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

Olive fruit is commonly consumed in foods. As medicine, olive leaf extracts and olive fruit extracts have been used. Speak with a healthcare provider to find out what type of product and dose might be best for a specific condition.

Interactions with pharmaceuticals

It is not known if Olive interacts with any medicines. Before taking Olive, talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
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