Butterfinger: Calories, Nutrition Facts, and Health Benefits (2026)

A Butterfinger bar has 250 calories, 1 g fiber and 0 mg vitamin C. Full butterfinger nutrition facts per serving and per 100 g, by goal, with blood-sugar and comparison data.

Medically reviewed by Dr. Emily Torres, Registered Dietitian Nutritionist (RDN)

A Butterfinger bar (52 g) contains 250 calories, 2 g protein, 35 g carbs, and 27 g sugar. It also provides 1 g fiber and 10 g fat, with 5.0 g saturated fat and 110 mg sodium. The glycemic index is about 55, indicating a moderate blood-sugar impact.

This page provides detailed nutritional information for Butterfinger, focusing on its calorie content, macronutrients, and health implications. It covers the nutritional profile per 1 bar (52 g) and per 100 g, along with insights on its suitability for various dietary goals.

Butterfinger Nutrition Facts (Per Serving and Per 100 g)

The following table outlines the nutrition facts for Butterfinger, highlighting key components such as calories, protein, and sugar content.

Values are for 1 bar (52 g).

Nutrient Per Serving Per 100 g % Daily Value (per serving)
Calories 250 481 13%
Protein 2.0 g 3.8 g 4%
Carbohydrates 35.0 g 67.3 g 13%
Fiber 1.0 g 1.9 g 4%
Sugar 27.0 g 51.9 g -
Fat 10.0 g 19.2 g 13%
Vitamin C 0.0 mg 0.0 mg 0%
Potassium 47 mg 90 mg 1%
Saturated Fat 5.0 g 9.6 g 25%
Sodium 110 mg 212 mg 5%

About 59% of butterfinger calories come from carbohydrates, 3% from protein and 38% from fat.

Butterfinger by Health Goal

The by-goal ratings assess Butterfinger's nutritional value based on common dietary objectives, providing insight into its healthfulness.

Goal Rating Why
Weight loss Fair 250 calories per serving; calorie-dense at 481 cal per 100 g, so keep portions small
Blood sugar / diabetes Fair Glycemic load of about 19 per serving, and it is high in sugar (27 g)
Immunity Fair Not a significant source of immune-supporting nutrients
Digestion Fair 1 g fiber per serving
Heart health Fair High in saturated fat (5.0 g per serving)
Muscle gain Fair Low in protein (2 g per serving)

Butterfinger and Blood Sugar

Glycemic index: 55. Glycemic load: 19 per serving.

Butterfinger has a glycemic index of about 55 and a glycemic load of around 19 per serving. It is high in sugar (27 g per serving), so it can raise blood sugar quickly. Eating it with protein, fat or fiber slows the rise.

How Butterfinger Compares to Other Sweets and Treats

The comparison table evaluates Butterfinger against other sweets and treats, offering a perspective on its nutritional standing.

Sweet (per 100 g) Calories Sugar (g) Fat (g) Protein (g)
Butterfinger 481 51.9 19.2 3.8
Baby Ruth 467 55.0 21.7 6.7
100 Grand Bar 442 51.2 18.6 2.3
Reese's Peanut Butter Cups 500 50.0 31.0 11.9

Butterfinger Myths, Checked

The peanut butter center adds real nutrition , Misleading. The core is mostly sugar and oil with peanut flavor.

Butterfinger is a light candy bar , False. A bar is about 250 calories, similar to other full-size bars.

How to Track Butterfinger

Treats like butterfinger are easy to under-log, because the serving on the label is often smaller than what people actually eat, so portion size is everything. Nutrola identifies food from a photo, barcode or voice entry and returns calories and macros, so you can log butterfinger accurately instead of estimating. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

For related references, see calories in every candy and chocolate bar by brand, calories in popular desserts and bakery items, and every sugar and sweetener decoded.

Sources

Nutrition values are from the USDA FoodData Central database, shown per serving and per 100 g, rounded. Percent Daily Values use US reference intakes for a 2,000 calorie diet. Glycemic index and load are from published international tables and vary by variety, ripeness and cooking method. This is educational and not medical advice.

Frequently Asked Questions (FAQ)

How many calories are in a Butterfinger bar?

A Butterfinger bar contains 250 calories per serving. This calorie count contributes to its status as a sweet treat, making it important to consider portion sizes.

Is butterfinger good for weight loss?

Butterfinger is not typically recommended for weight loss due to its high sugar and calorie content. With 27 g of sugar per bar, it may not align with weight management goals.

Can people with diabetes eat butterfinger?

Individuals with diabetes should consume Butterfinger cautiously. Its glycemic index of about 55 suggests a moderate impact on blood sugar levels, requiring careful monitoring.

How much protein is in butterfinger?

Each Butterfinger bar contains 2 g of protein. While this is relatively low compared to other protein sources, it contributes to the overall macronutrient profile.

Is butterfinger high in sugar?

Yes, Butterfinger is high in sugar, containing 27 g per bar. This high sugar content can be a concern for those monitoring their sugar intake.

What is inside a Butterfinger?

A Butterfinger features a crispy peanut butter core coated in chocolate. Its unique texture and flavor combination are key characteristics of this popular candy.

Key Takeaways

  • Butterfinger contains 250 calories per bar.
  • It has 2 g of protein and 35 g of carbohydrates.
  • Each bar includes 27 g of sugar.
  • Butterfinger provides 1 g of fiber and 10 g of fat.
  • The glycemic index is approximately 55.
  • It features a crispy peanut butter core.

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