Blueberries are low in calories and a good source of fibre, vitamins like vitamin C and vitamin K; minerals like manganese; and antioxidants like flavonoids and anthocyanin. These tiny but mighty berries pack a punch because of their nutritional value. Did you know that 100g of blueberries contain approximately 15% RDA for Vitamin K and Manganese? Additionally, studies show that antioxidants from blueberries are known to help protect against heart diseases and help lower blood pressure.