Olive leaf extract’s main purported benefit is its effect on cardiovascular health and metabolic health. Some research has found that olive leaf extract reduced blood pressure in people with prehypertension and hypertension[1] and in the general adult population.[2] However, the quality of the research was quite low. More recent research found no effect on blood pressure or other markers of cardiometabolic health.[3] Given the low quality and limited amount of research, olive leaf extract might be beneficial for cardiovascular health, but these findings should be interpreted with caution.
What are olive leaf extract’s main benefits?
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•Last Updated: May 16, 2025
Olive leaf extract is purported to benefit cardiovascular and metabolic health, and some studies suggest that it may reduce blood pressure in people with prehypertension and hypertension. However, the overall quality of the research is low, and more recent studies have found no significant effects, which indicates that any potential benefits should be viewed with caution.