What Are The Benefits of Olive Leaf Extract For Diabetes?

Olive leaf extract has long been used in traditional medicine. It comes from the leaves of the olive tree (Olea europaea). 

The main component of olive leaf extract is oleuropein. It acts as an: 

  • Anti-viral 
  • Anti-bacterial 
  • Anti-fungal
  • Anti-MRSA 
  • A Natural Antibiotic 
  • Help control blood pressure 
  • May help with allergies 
  • Anti-tumor 

Benefits of Olive Extract For Diabetes

Olive leaf extract may aid in diabetes control. In one study, 79 adults with type 2 diabetes took either olive leaf extract or a placebo every day for 14 weeks. At the end of the study, the olive leaf extract group had significantly more improvement in blood sugar levels than the other group.

In another study researchers randomized 46 middle-aged men who were overweight to take either olive leaf extract or a placebo. After 12 weeks, people in the olive leaf extract group had significant improvements in insulin sensitivity and pancreatic responsiveness compared with those who took a placebo.

Doctors consider reduced insulin sensitivity and pancreatic responsiveness to be important factors in the development of type 2 diabetes.


There are no medical guidelines on how much olive leaf extract a person should take. In the human studies discussed above, participants took 500–1,000 mg per day of a standard olive leaf extract. Some of these were in divided doses.

Olive leaf extract is available in the form of capsules, tablets, and tea. When using these products, it is generally best to follow the manufacturer’s directions on safe dosages.

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


Preliminary studies suggest that olive leaf extract may have several health benefits. These include lowering blood pressure, improving cholesterol levels, and reducing the risk of weight gain and type 2 diabetes.

However, scientists continue to conduct large-scale studies in humans to confirm these findings and to determine the long-term safety of taking olive leaf extract. The Food and Drug Administration (FDA) considers olive leaf extract to be a dietary supplement rather than a medicine, they do not monitor the dose or quality of herbs and supplements.

Some studies suggest that possible side effects may include muscle discomfort and headache. People who experience severe or concerning side effects should stop taking the extract and speak to a doctor immediately.

Disclaimer: The information included at this site is for educational purposes only and is not intended to be a substitute for medical treatment by a healthcare professional. Because of unique individual needs, the reader should consult their physician to determine the appropriateness of the information for the reader’s situation.

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