A medium apple (182g) has 95 calories, 25g of carbs, and 4.4g of fiber, according to USDA FoodData Central. No fat worth mentioning, almost no protein, just clean carbs wrapped in water and fiber.
But "95 calories" only tells you part of the story. Apple size matters more than variety, processed apple products can be calorie traps, and there's solid research showing that eating a whole apple before a meal can cut your intake by 15%. Here's everything you need to know.