12 Proven Benefits of Pomegranate Posted on 06 May 2015 at 01:15 5. Pomegranate May Also be Useful Against Breast Cancer Breast cancer is the most common type of cancer in women. Pomegranate extract has been shown to inhibit reproduction of breast cancer cells, and may even kill some of them. However, this is currently limited to laboratory studies. More research is needed. Bottom Line: Laboratory studies have shown that pomegranate extract can help fight breast cancer cells, but human studies are needed to confirm this. 6. Pomegranate May Lower Blood Pressure High blood pressure (hypertension) is one of the leading drivers of heart attacks and strokes. In one study, people with high blood pressure had a significant reduction after consuming 150 ml (5 oz) of pomegranate juice daily for 2 weeks. Other studies have found similar effects, especially for systolic blood pressure (the higher number in a blood pressure reading). Bottom Line: Regular intake of pomegranate juice has been shown to lower blood pressure levels in as little as 2 weeks.