Peanut protein balls can be a healthy snack option, but it largely depends on the other ingredients used in their preparation. Protein: Peanuts are a good source of protein which is essential for growth, repair, and maintaining good health. Protein also helps to keep you feeling full, which can prevent overeating. Healthy fats: Peanuts also contain healthy monounsaturated and polyunsaturated fats, which are good for heart health. Fiber: Peanuts are rich in dietary fiber, which aids in digestion and can help control weight by promoting a feeling of fullness. Nutrients: Peanuts are packed with various vitamins and minerals including vitamin E, B-vitamins, magnesium, and zinc.