Keto Buzz Reviews Each of the loaves of bread has different ingredients, so you should eat them in different portions. Some have fewer calories, fats or carbohydrates. You may be interested: The mistakes you make when trying to lose weight. What is the sweet bread with fewer calories? Most traditional sweet bread has between 200 and 300 calories, although some tricks can help you enjoy its taste without much guilt. In a shell there are 276 calories in a whole piece, but if you want to save calories, you can scrape the coverage until the minimum amount is possible.