Clif Bar: Calories, Nutrition Facts, and Health Benefits (2026)

A Clif Bar has 250 calories, 4 g fiber and 0 mg vitamin C. Full clif bar 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)

Clif Bar contains 250 calories, 9 g of protein, and 4 g of fiber per 68 g bar. It also has 21 g of sugar and a glycemic index of about 57, making it a notable oat-based energy bar with added sugar.

This page provides an overview of Clif Bar's nutritional content, including calories and macronutrients per serving. It also discusses its health benefits and how it compares to other snacks.

Clif Bar Nutrition Facts (Per Serving and Per 100 g)

The following table outlines the nutrition facts for Clif Bar, detailing key components such as calories, protein, and carbohydrates.

Values are for 1 bar (68 g).

Nutrient Per Serving Per 100 g % Daily Value (per serving)
Calories 250 368 13%
Protein 9.0 g 13.2 g 18%
Carbohydrates 44.0 g 64.7 g 16%
Fiber 4.0 g 5.9 g 14%
Sugar 21.0 g 30.9 g -
Fat 6.0 g 8.8 g 8%
Vitamin C 0.0 mg 0.0 mg 0%
Potassium 204 mg 300 mg 4%
Saturated Fat 1.5 g 2.2 g 7%
Sodium 150 mg 221 mg 7%

About 66% of clif bar calories come from carbohydrates, 14% from protein and 20% from fat.

Clif Bar by Health Goal

The by-goal ratings section evaluates how Clif Bar aligns with various dietary objectives, helping consumers make informed choices.

Goal Rating Why
Weight loss Fair 250 calories per serving, with 4 g fiber for fullness
Blood sugar / diabetes Fair Glycemic load of about 23 per serving, and it is high in sugar (21 g)
Immunity Fair Not a significant source of immune-supporting nutrients
Digestion Excellent 4 g fiber per serving
Heart health Fair High in sugar (21 g per serving)
Muscle gain Fair Low in protein (9 g per serving)

Clif Bar and Blood Sugar

Glycemic index: 57. Glycemic load: 23 per serving.

Clif Bar has a glycemic index of about 57 and a glycemic load of around 23 per serving. It is high in sugar (21 g per serving), so it can raise blood sugar quickly. Eating it with protein, fat or fiber slows the rise.

How Clif Bar Compares to Other Sweets and Treats

In the comparison table, Clif Bar is contrasted with other sweets and treats to highlight its nutritional profile and suitability as a snack.

Sweet (per 100 g) Calories Sugar (g) Fat (g) Protein (g)
Clif Bar 368 30.9 8.8 13.2
KIND Bar 500 12.5 37.5 15.0
Quest Bar 333 1.7 13.3 35.0
Quaker Chewy Granola Bar 417 29.2 12.5 4.2

Clif Bar Myths, Checked

Clif Bars are a low-calorie snack , False. A bar has about 250 calories and over 20 g of sugar, designed as fuel for activity.

They are just candy bars , Misleading. They are sugary but also provide oats, fiber and some protein for endurance fuel.

How to Track Clif Bar

Treats like clif bar 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 clif bar 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 Clif Bar?

A Clif Bar contains 250 calories per 68 g serving. This makes it a relatively energy-dense snack, suitable for fueling activities.

Is clif bar good for weight loss?

Clif Bar may not be ideal for weight loss due to its sugar content, which is 21 g per bar. However, it can be part of a balanced diet if consumed in moderation.

Can people with diabetes eat clif bar?

People with diabetes should approach Clif Bar cautiously, as it has a glycemic index of about 57. Consulting a healthcare provider is recommended before including it in their diet.

How much protein is in clif bar?

Each Clif Bar provides 9 g of protein, which can contribute to daily protein intake and support muscle recovery after exercise.

Is clif bar high in sugar?

Clif Bar contains 21 g of sugar, which is relatively high for a snack. Consumers should consider this when incorporating it into their diet.

Are Clif Bars good for you?

Clif Bars can be a convenient energy source, but their nutritional value varies. They provide some fiber and protein, but also contain added sugars.

Key Takeaways

  • Clif Bar has 250 calories per 68 g serving.
  • Each bar contains 9 g of protein.
  • There are 21 g of sugar in a Clif Bar.
  • Clif Bar provides 4 g of fiber.
  • The glycemic index is approximately 57.
  • Clif Bar contains 150 mg of sodium per serving.

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