Many people are familiar with olive oil and its benefits, but few realize the powerful health benefits of olive leaf extract (OLE). Its main component, also known as oleuropein, is an olive leaf extract extracted from the leaves of the olive oil that produces olive fruit. OLE is believed by many to help prevent cardiovascular disease, diabetes, cancer and other conditions.

Olive leaf extract has been proven safe and has been widely used as a traditional medicine in countries such as Greece, Spain, France, Turkey, Israel, Morocco and Tunisia. In Egypt, people have used it for hundreds or even thousands of years. It is usually consumed in supplement form or as a tea.

Cardiovascular diseases

Cardiovascular disease is associated with advanced glycation end products. According to a 2016 study by Dr. Mata Navarro and colleagues in Food Research International, olive leaf extract can help prevent heart and vascular disease by inhibiting the production of advanced glycation end products.

Hypertension

A 2016 study in Food & Function found that olive leaf extract may help lower blood pressure. A 2011 study published in Phytomedicine found that taking a 500 mg twice-daily dose of olive leaf extract lowered blood pressure as much as taking 25 mg of the finished drug captopril twice a day. This supplement has not been found to have any side effects.

Diabetes

Olive leaf polyphenols can improve insulin sensitivity, allowing insulin to work more efficiently. In a 2013 New Zealand study, 46 men were selected to take olive leaf extract capsules or a placebo for 12 weeks. The results showed that taking olive leaf extract capsules improved insulin sensitivity by 1%. Numerous studies also support the idea that olive leaf extract helps regulate blood sugar fluctuations.

Cancer prevention

Olive leaf extract is known to contain higher amounts of polyphenols, or micronutrients, than extra virgin olive oil. In a laboratory study, 25 healthy donor cells showed anticancer activity after taking olive leaf extract.

Other studies have shown that polyphenols have anti-inflammatory properties and can protect DNA from oxidative damage. This most likely explains how olive leaf extract helps prevent disease.

Brain function

Olive leaf extract has proven antioxidant and brain-protecting properties. According to a 2017 study published in Metabolic Brain Disease, these benefits have been demonstrated in animals. In this study, receptors ingested olive leaf extract significantly improved balance, muscle strength, and antioxidant levels in the brain. 

These findings strongly support the brain-protective properties of olive leaf extract, which help prevent the death of a specific type of brain cell called dopaminergic neurons, which can lead to Parkinson's disease. In view of this, the researchers suggested that olive leaf extract may help prevent Parkinson's disease and Alzheimer's disease.

Antifungal, antiviral and antibacterial properties

According to a study published in the 2015 edition of Current Medical Mycology, olive leaf extract exhibited antifungal properties against Candida albicans. Candida albicans is a pathogenic mold commonly found in the skin and human gut flora. 

In another study, 150 plant extracts, including olive leaf extract, were analyzed for antiviral activity. The results show that olive leaf extract also has powerful virus-killing properties, which may help treat infections caused by viruses.

Skin health

A 2014 study published in the Journal of Cell evaluated the efficacy of olive leaf extract in the treatment of skin diseases and wounds. The study used animals as samples, in which mice were given a one-centimeter full-thickness incision that was not sutured. 

For seven days, olive leaf extract was topically applied to some mice, while others were washed with purified water only. Analysis of wounds found that applying olive leaf extract directly to the wound was helpful for skin and wound healing.

This may help with the recovery process after surgery. In addition, olive leaf extract, which has antioxidant properties, helps prevent skin-like cell damage. There’s even a study showing that olive leaf extract also helps prevent skin aging.

Weight control

According to a 2014 study in the American Journal of Empirical Medicine, olive leaf extract may help fight obesity by turning off genes that make fat (thermogenesis). The results of the study suggest that ingesting olive leaf extract can aid in weight loss.

While there is still a lot of research to be done, there is already ample evidence that olive leaf extract has powerful health benefits.

It can be seen from the above studies that olive leaf extract has many benefits and potentials. Nutra-Herb Ingredient Inc. is an olive leaf extract manufacturer, supplying olive leaf extract OEM, mainly in the form of olives. Leaf extract powder, if you need it, you can contact us to buy it~

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