Olive leaf extract has been extensively studied and proven to have various health benefits. Here are the most clinically proven benefits of olive leaf extract:
Improves Cardiovascular Health: Several studies suggest olive leaf can effectively improve heart health by lowering blood pressure, total cholesterol, bad cholesterol, and inflammation.1 In a review of five studies, olive leaf extract was found to effectively reduce systolic blood pressure levels, low-density lipoprotein, and inflammatory markers in the blood.2
Balances Blood Sugar Levels: Olive leaf extract may help those with diabetes or pre-diabetes by supporting blood sugar control by increasing insulin secretion and increasing glucose uptake. In one study, 79 adults given olive leaf extract had better blood sugar control and reduced blood sugar levels after a meal compared to a placebo group.3
May Fight Viral Infections: In light of the COVID-19 pandemic, olive leaf was often sought after for its' anti-viral benefits. Several research studies have found that olive leaf extract has anti-viral benefits. In a small study of 32 high school athletes, olive leaf extract reduced the severity and length of upper respiratory infections.4 Lab tests have also found similar effects as well.5
Supports Healthy Weight Management: Dieters rejoice, olive leaf extract may help you manage your weight more efficiently. In one study, olive leaf extract managed to limit weight gain in rats given a high-fat diet compared to a significant gain in rats given a placebo.6 These benefits are thought to stem from olive leaf extract's ability to suppress genes related to weight gain.
Anti-Fungal & Anti-Bacterial Properties: Various studies suggest olive leaf extract has anti-fungal and anti-bacterial benefits. In one study from 2015, olive leaf extract successfully suppressed the growth of candida albicans, a pathogenic yeast found on the skin and in the gut. A 2017 study also found olive leaf extract could protect against bacterial strains like staph and strep.7