What are the side effects of olive leaf?

Some studies report side effects — including coughing, vertigo, stomach pains, and headaches. Some people are allergic to the pollen produced by olive trees and may have an allergic reaction when taking olive leaf extract.Nov 6, 2020

Is olive leaf bad for kidneys?

EOLS has the ability to protect blood from vanadate toxicity and stabilize damaged red blood cell membranes. Indeed, the olive leaf extract demonstrated beneficial effects on the kidney function parameters (creatinine and urea) in the present study and other works through its powerful antioxidant properties.

Is it safe to take olive leaf extract daily?

It's claimed to help manage many conditions, but research best supports just a few: diabetes, high blood pressure, and viral illnesses. There are no standard guidelines on dosages. Most supplement labels recommend between 500 mg and 1,000 mg, sometimes divided into up to four doses, per day.

Does olive leaf affect the liver?

One of the most important findings in the present study is the observation that the studied extracts of olive and rosemary leaves and their combination were effective in reducing the TAA induced liver cirrhosis, that were proven by physiological analysis and histopathological evaluation.

Can olive leaf extract make you sick?

The Centre for Adverse Reactions Monitoring (CARM) has received three reports of gastrointestinal adverse reactions with the use of olive leaf extract products. In one case, the patient experienced nausea, epigastric pain and projectile vomiting soon after taking the product, followed by bouts of diarrhoea.

Are olive leaves toxic?

Background: Olive tree (Olea europaea, Oleaceae) leaves have been widely used in traditional herbal medicine to prevent and treat various diseases especially in Mediterranean countries. … Besides, toxicity studies suggest that olive leaf is generally safe even at high doses.

How long does it take for olive leaf to start working?

After eight weeks, the olive leaf extract led to significantly lower blood pressure, with the higher dose having a greater effect. The most recent study, published earlier this year, was a randomised controlled study. It involved about 200 patients with high blood pressure that had not improved with dietary changes.

What happens if you take too much olive leaf extract?

One study suggests 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 their doctor. It is also not clear whether olive leaf extract can interact with other medications.