Blueberries and Cancer Cell Research

Researchers studied how blueberry extract affects human cancer cells and uncovered notable results.

When researchers used radiation therapy alone, cancer cells decreased by about 20%. When they applied blueberry extract alone, cancer cells dropped by approximately 25%. Although the difference appears small, radiation therapy often harms healthy cells along with cancer cells. This damage helps explain why many people feel exhausted or unwell after treatment.

Researchers saw the most dramatic results when they combined blueberry extract with radiation therapy. In this case, cancer cell reduction reached nearly 70%. The findings suggest that compounds in blueberries may help trigger cancer cell death while slowing the formation of new cancer cells.

This approach may not apply to every type of cancer. However, blueberries offer a safe, nutrient-rich food that fits easily into a daily diet. They do not strengthen cancer cells and pose little risk when consumed regularly as part of balanced nutrition.

The Antioxidant Power of Blueberries

Blueberries contain high levels of antioxidants, especially anthocyanins, which give the fruit its deep blue color. These compounds help protect cells from oxidative stress. Eating blueberries will not prevent cancer or eliminate it from the body, but research suggests they may support the body’s natural defenses without damaging healthy cells.

People can eat blueberries whole or blend them into smoothies to increase antioxidant intake and support cellular health.

Pairing Blueberries with Broccoli

Blueberries may work even better when paired with broccoli, another vegetable widely studied for its potential role in reducing cancer cell growth. Broccoli contains sulforaphane, a compound linked to cellular protection and detoxification.

Blending blueberries and broccoli does not create new molecules. Instead, blending breaks down plant cell walls, making nutrients easier for the body to absorb. Together, these foods may help the body maintain healthier cellular function.

RESOURCES:

National Library of Medicine, Influence of dietary blueberry and broccoli on cecal microbiota activity, Gunaranjan Paturi, Tafadzwa Mandimika, Christine A Butts, Shuotun Zhu, Nicole C Roy, Warren C McNabb, Juliet Ansell, March, 2012 PubMed March 2012
Last viewed: 20250701

MedicalNewsToday, How blueberries help to kill cancer cells, by Honor Whiteman, January 3, 2018, Fact Checked by Jasmin Collier Medical News January 2018
Last viewed: 20250703

National Library of Medicine, Evidence for anti-cancer properties of blueberries, Sarah A Johnson, Bahram H Arjmandi, October, 2013 PubMed October 2013
Last viewed: 20250721

University of Alabama, Birmingham, Health & Medicine, Blueberries: A cup a day may keep cancer away, July 27, 2011  University of Alabama October 2011
Last viewed: 20250630