Calories in Every Protein Bar, By Brand (2026)
Explore the calorie and protein content of popular protein bars and snack bars.
Most protein bars contain around 200 to 250 calories, with 20 to 25 grams of protein. Snack bars typically have 100 to 200 calories, with 2 to 10 grams of protein.
This article provides a comprehensive overview of the calorie and protein content in various protein and snack bars as of 2026. Data is sourced from USDA FoodData Central, chain nutrition databases, and manufacturer labels to ensure accuracy.
How Many Calories Are in Protein Bars?
Protein bars are designed to provide a convenient source of protein, typically containing around 20 grams per serving. Below is a comparison of popular brands based on their calorie and protein content.
| Bar | Serving | Calories | Protein (g) | Sugar (g) |
|---|---|---|---|---|
| Quest Bar | 1 bar (60g) | 200 | 21 | 1 |
| RXBAR | 1 bar (60g) | 210 | 12 | 13 |
| Pure Protein | 1 bar (50g) | 200 | 20 | 2 |
| ONE Bar | 1 bar (60g) | 230 | 20 | 1 |
| Clif Builders | 1 bar (68g) | 280 | 20 | 20 |
| Built Bar | 1 bar (50g) | 130 | 17 | 4 |
| Kind Protein | 1 bar (50g) | 250 | 12 | 5 |
| Premier Protein | 1 bar (60g) | 210 | 30 | 1 |
The protein content varies significantly, with some bars offering up to 30 grams of protein.
How Many Calories Are in Snack and Granola Bars?
Snack and granola bars generally have lower protein content compared to dedicated protein bars. The following table compares the calorie and protein content of popular snack bars.
| Bar | Serving | Calories | Protein (g) | Sugar (g) |
|---|---|---|---|---|
| Clif Bar | 1 bar (68g) | 240 | 9 | 20 |
| Kind Nut Bar | 1 bar (40g) | 200 | 6 | 6 |
| Nature Valley Crunchy | 2 bars (42g) | 190 | 4 | 7 |
| Larabar | 1 bar (48g) | 200 | 5 | 18 |
| Nature's Bakery Fig Bar | 2 bars (50g) | 200 | 2 | 12 |
Snack bars typically contain less protein, averaging around 5 to 9 grams per serving.
Which Protein Bar Has the Fewest Calories?
The following protein bars have the lowest calorie counts.
- Built Bar (serving): 130 kcal
- Quest Bar (serving): 200 kcal
- Pure Protein (serving): 200 kcal
- RXBAR (serving): 210 kcal
- Premier Protein (serving): 210 kcal
Which Protein Bar Has the Most Calories?
The following protein bars have the highest calorie counts.
- Clif Builders (serving): 280 kcal
- Kind Protein (serving): 250 kcal
- ONE Bar (serving): 230 kcal
- RXBAR (serving): 210 kcal
- Premier Protein (serving): 210 kcal
How to Track Protein Bars Calories Accurately
Estimating calories in protein and snack bars can be challenging due to varying portion sizes, ingredient density, and hidden sugars. Nutrola is an AI nutrition tracking app that identifies protein bars and snack bars from a photo and returns calories and macros from a database of more than 1.8 million verified foods. It also supports barcode scanning for packaged items and voice logging for quick entries. Nutrola is available from €2.50 per month and shows no ads on any tier.
For related references, see calories in ice cream by brand, calories in every fast-food burger, and calories in Chinese takeout dishes.
How We Calculated These Numbers
Data was compiled using USDA FoodData Central, chain nutrition data, and manufacturer labels for accuracy. Serving sizes were standardized, and values were rounded to the nearest whole number for clarity.
Frequently Asked Questions (FAQ)
What is the average protein content in protein bars?
Most protein bars contain around 20 grams of protein per serving, making them a convenient option for protein supplementation.
Are protein bars good for weight loss?
Protein bars can be helpful for weight loss when used as meal replacements or snacks, but it's important to choose low-sugar options.
How do protein bars compare to granola bars?
Protein bars generally contain more protein, averaging 20 grams, while granola bars typically have 2 to 10 grams.
Can protein bars be consumed daily?
Yes, protein bars can be consumed daily, but it's best to balance them with whole foods for a varied diet.
What should I look for in a protein bar?
Look for protein bars with low sugar content, high protein, and minimal artificial ingredients for healthier options.
Are there any protein bars that are low in sugar?
Yes, many protein bars, such as Built Bar and Quest Bar, are designed to be low in sugar while still providing adequate protein.
Key Takeaways
- Protein bars typically contain 200 to 250 calories per serving.
- Most protein bars provide around 20 grams of protein.
- Snack bars usually have lower protein content, averaging 5 to 9 grams.
- Built Bar has the fewest calories among protein bars at 130 kcal.
- Clif Builders has the highest calorie count at 280 kcal.
- Choosing the right protein bar can support dietary goals effectively.
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