Olive leaf extract may have several potential health benefits, such as helping lower cholesterol and blood pressure.

Weight gain

Olive tree leaves contain oleuropein, which is a polyphenol that may help prevent weight gain.

Cholesterol

Preliminary studies suggest that olive leaf extract may help improve cholesterol levels.

Blood pressure

Olive leaf extract may help treat hypertension, or high blood pressure.

Type 2 diabetes

Olive leaf extract may also help reduce a person’s risk of developing type 2 diabetes.

Dosage

A person should to speak to a doctor before taking olive leaf extract to treat a specific condition.

Side effects

It is also not clear whether olive leaf extract can interact with other medications. People who are taking prescription medications should speak to a doctor before taking olive leaf extract.