You may have recently thought about the calorie count found in delicious blueberries. Research proves that blueberries are rich in nutrients. Studies also show that blueberries have a low calorie count. Many personal fitness coaches and trainers encourage their clients to add blueberries to their diet. Clients will be getting Vitamin C, potassium, fiber, and many other vital nutrients if they take heed to the advice of their coaches and trainers. Clients will also be in a position to get an adequate dosage of antioxidants.