During the course of the study, groups of mice were fed with specially formulated diets containing 5% freeze-dried blueberry powder, 10% blueberry powder or a control diet containing no blueberry powder.
It was observed that the animals ate and drank about the same amount regardless of group.
Tumor size was 75% smaller in the 5% blueberry experimental group and 60% smaller in the 10% group, compared to the control group.
The study was funded by the US Highbush Blueberry Council (USHBC) and the National Institutes of Health.