Reese's Fast Break Bar is a food that is calorie-dense.
Calories per 100g
460
kcal% Daily Value
A serving of Reese's Fast Break Bar (100g) contains 460kcal of calories, which is 23% of the recommended daily value based on a 2,000 calorie diet.
Calories measure the energy content of food. Your body needs calories to function, but consuming more than you burn leads to weight gain. When planning your meals, consider that reese's fast break bar is a significant source of calories compared to other snacks.
See how Reese's Fast Break Bar compares to other snacks foods.
per 100g
511
per 100g
135
per 100g
409
per 100g
500
Source: USDA FoodData Central | FDC ID: 1642782 | Last updated: 2026-04-06
All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.
Nutrient values from certified lab analysis
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Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.
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