- The study involved a six-week dietary intervention where participants consumed a wild blueberry drink.
- The effect of the wild blueberry drink on the intestinal microbiota was compared to a placebo drink.
- The Bifidobacteria levels in the gut increased significantly after consuming the blueberry drink.
Methodology: Repeated-measure, crossover dietary intervention on human volunteers
Strengths: Significant increase in Bifidobacterium spp. levels
Limits: Non-randomized, non-controlled study