High in Antioxidants: Blueberries are rich in anthocyanins, which are antioxidants that help combat oxidative stress and inflammation in the body. Rich in Vitamin C: They are a good source of vitamin C, supporting immune function, skin health, and collagen production. Low in Calories: Blueberries are low in calories, making them an ideal healthy snack. 100 grams of fresh blueberries contains about 57 calories. High in Fiber: Blueberries are rich in dietary fiber, which supports digestive health and helps maintain blood sugar levels. Good Source of Vitamin K: Blueberries contain a notable amount of vitamin K, which is essential for bone health and proper blood clotting. Minerals: They provide essential minerals such as potassium, manganese, and magnesium, which support overall health.