a wild Blueberries are among the most nutrient-dense berries. A 1-cup (148-gram) serving of blueberries contains :
- Fiber: 3.6 grams
- Vitamin C: 24% of the RDI
- Vitamin K: 36% of the RDI
- Manganese: 25% of the RDI
- Small amounts of various other nutrients
They are also about 85% water, and an entire cup contains only 84 calories, with 15 grams of carbohydrates. Calorie for calorie, this makes them an excellent source of several important nutrients.