What's inside blueberries, and where does it go in your body?
Their deep color comes from anthocyanins, a family of plant pigments under active study.
Notable for
Fiber, vitamin C, vitamin K, manganese and anthocyanins.
'Superfood'?
Superfood is a marketing word, not a scientific category. Blueberries are a healthy fruit — like many others.
Evidence & sources
Raw blueberries provide about 2.4 g of fiber per 100 g. Evidence: established. Known: Measured food composition data. Unknown: Claims about specific health effects of blueberry polyphenols remain under study. Source: USDA Agricultural Research Service, FoodData Central (SR Legacy) (2019).