Blueberries

Blueberries are a kind of berry that owe their characteristic dark blue-violet color in anthocyanins. Anthocyanins are a category of phytochemicals, i.e. substances known as polyphenolic compounds, which are proven antioxidants, with many benefits for a healthy living, like the prevention of free radicals. Blueberry consumption may also act against constipation and diarrhea. Finally, blueberries are an excellent source of vitamin K and C, as well as Mn (manganese).