Fig. 1.

Participants were randomized based on sex and BMI to receive either placebo (n = 38) or low calorie, high polyphenol content cranberry extract beverage (CEB; n = 40) intervention in a double-blind, placebo-controlled parallel trial. Subjects consumed one 450 mL serving of the assigned study beverage daily during the 8 week intervention period and completed blood and urine sample collection visits at pre-intervention, and following a single dose at baseline (week 0) and week 8 visits