Blueberries comprise 14% carbohydrates, 0.7% protein, 0.3% fat and 84% water. They contain only negligible amounts of micronutrients, with moderate levels (DV) of the essential dietary mineral manganese, vitamin C, vitamin K and dietary fiber.

Blueberries generally contain a low percentage of the DV in terms of nutrients. One serving provides a relatively low caloric value of 57 kcal per 100 g and a glycemic load score of 6 out of 100 per day.