10 Best lowest calorie protein bars of 2025

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1

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Quest
Quest Nutrition Ultimate Variety Pack Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count
Main highlights

High Protein Low Carb Benefit
Each bar offers 20-21g protein, 4-5g net carbs, and 0-2g sugar.

Ideal for Busy Schedules
Perfect for on-the-go snacking or meal replacement.

Flavor Variety Praised
Customers love the diverse flavors, especially mocha and mint chocolate chip.
Key specs
- flavor:Variety Pack
- protein:20-21g
- ingredients:High-quality dairy proteins
- sugar:0-2g
- fiber:N/A
9.9

Exceptional

Our Rating

8.0
Freshness

8.0
quality of ingredients

8.0
worth the money
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Value for Money

2

KIND
KIND Protein MAX Crispy Chocolate Peanut Butter Snack Bars, 20g of Protein, Keto Friendly, 1g of Sugar Per Bar, Gluten Free, 12 Count Box
Main highlights

Rich Protein Source
20g of protein per bar with only 1g sugar.

Perfect for Active Lifestyles
Ideal for keto dieters and busy individuals needing quick nutrition.

Delicious Taste and Texture
Praised for candy-like flavor and satisfying crispy texture.
Key specs
- Fiber:High in fiber
- Dimensions:8.23 x 5.51 x 2.44 inches
- Flavor:Chocolate Peanut Butter
- Sugar:1g total sugar
- Protein:20g
9.8

Exceptional

Our Rating
3

Pure Protein
Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Gluten Free, Chocolate Peanut Caramel, 1.76oz, 12 Count (Pack of 1) (Packaging May Vary)
Main highlights

High Protein Low Sugar
Each bar contains 20g of protein and only 2g of sugar.

Ideal for Active Lifestyles
Perfect for pre or post-workout snacks or quick energy boosts.

Great Taste Praised by Customers
The chocolate, peanut, and caramel flavors are frequently highlighted as delicious.
Key specs
- flavor:Chocolate Peanut Caramel
- protein:20 grams
- ingredients:N/A
- sugar:2 grams
- fiber:N/A
9.5

Excellent

Our Rating

8.9
For traveling

8.7
quality of ingredients

8.4
Flavor
4

Quest Nutrition
Quest Nutrition Mini Chocolate Chip Cookie Dough Protein Bars, 8g Protein, 1g Sugar, 2g Net Carbs, Gluten Free, 14 Count

16% Off
Main highlights

High Protein Low Carb
Quest Mini Protein Bars offer 8g of protein and low carbs, ideal for keto-friendly diets.

Perfect On-the-Go Snack
Compact size and chewy texture make it ideal for busy lifestyles.

Great Taste and Satisfaction
Customers love the taste and satisfying nature of these mini bars.
Key specs
- flavor:chewy and tasty
- protein:8 grams
- ingredients:quality ingredients
- sugar:1g or less
- fiber:4-5 grams
9.4

Excellent

Our Rating

9.3
Serving size

8.4
quality of ingredients

8.4
Flavor
5

MET-Rx
MET-Rx Big 100 Colossal Protein Bars, Great as Healthy Meal Replacement, Snack, and Help Support Energy, Peanut Butter Pretzel, With Vitamin A, Vitamin C, and Zinc, 100 g, (Pack of 9)

26% Off
Main highlights

High Protein Content
Packed with 30 grams of protein for complete hunger satisfaction.

Meal Replacement and Post-Workout
Ideal as a meal replacement or post-workout snack.

Great Taste
Praised for its fantastic taste, especially Peanut Butter Pretzel.
9.3

Excellent

Our Rating

9.3
Flavor

8.7
worth the money
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6

Protein One
Protein One 90 Calorie Protein Bars, Strawberries and Cream, Keto Friendly, 5 Ct, 4.8 oz
Main highlights

Keto Friendly Low Sugar
Delicious keto protein bars with less than 1g sugar.

Perfect On-the-Go Snack
Ideal for office snacks, lunch boxes, or quick treats.

High Protein Content
Praised for 10g protein, great for boosting intake.
9.2

Excellent

Our Rating

8.0
worth the money

8.0
Flavor
7

RXBAR

RXBAR Protein Bars, Protein Snack, Snack Bars, Chocolate Sea Salt, 18.3oz Box (10 Bars)
9.1

Excellent

Our Rating
8

CLIF BUILDER'S
CLIF BUILDERS Protein Bars - Chocolate Peanut Butter Flavor - 20g Plant Based Protein - Gluten Free - Non-GMO - Low Glycemic - No Artificial Sweeteners - Value Pack, 2.4 oz. (12 Count)

11% Off
Main highlights

High-Quality Ingredients
Gluten-free, non-GMO, low glycemic, and 20g protein per bar.

Ideal for Workouts
Perfect for fueling recovery and sustaining energy after training.

Praised Flavor
Chocolate peanut butter flavor loved for its taste and texture.
Key specs
- flavor:Chocolate Peanut Butter
- protein:20g
- ingredients:Gluten free, non-GMO
- sugar:N/A
- fiber:N/A
9.0

Excellent

Our Rating

8.9
movability

8.0
quality of ingredients

8.0
worth the money
9

Protein One

Protein One 90 Calorie Protein Bars, Chocolate Fudge, Keto Friendly, 5 Ct, 4.8 oz
8.9

Very Good

Our Rating
10

Quest Nutrition
Quest Nutrition Chocolate Brownie Protein Bar, 20g Protein, 1g Sugar, 4g Net Carb, Gluten Free, Gluten Free, 12 Count

16% Off
Main highlights

High Protein Low Carb
Quest Chocolate Brownie Protein Bars offer 20g protein, 4g net carbs, and 1g sugar per bar.

Meal Replacement Snack
Perfect for on-the-go meals or satisfying sweet cravings.

Chewy Texture
Praised by users for its chewy, brownie-like texture.
8.7

Very Good

Our Rating

8.0
Freshness

8.0
quality of ingredients

8.0
Precision

10 Best lowest calorie protein bars of 2025

1

Quest Nutrition Ultimate Variety Pack Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count

8.0

8.0

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

KIND Protein MAX Crispy Chocolate Peanut Butter Snack Bars, 20g of Protein, Keto Friendly, 1g of Sugar Per Bar, Gluten Free, 12 Count Box

3

Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Gluten Free, Chocolate Peanut Caramel, 1.76oz, 12 Count (Pack of 1) (Packaging May Vary)

8.9

8.7

8.4

4

Quest Nutrition Mini Chocolate Chip Cookie Dough Protein Bars, 8g Protein, 1g Sugar, 2g Net Carbs, Gluten Free, 14 Count

9.3

8.4

8.4

5

MET-Rx Big 100 Colossal Protein Bars, Great as Healthy Meal Replacement, Snack, and Help Support Energy, Peanut Butter Pretzel, With Vitamin A, Vitamin C, and Zinc, 100 g, (Pack of 9)

9.3

8.7

6

Protein One 90 Calorie Protein Bars, Strawberries and Cream, Keto Friendly, 5 Ct, 4.8 oz

8.0

8.0

7

RXBAR Protein Bars, Protein Snack, Snack Bars, Chocolate Sea Salt, 18.3oz Box (10 Bars)

8

CLIF BUILDERS Protein Bars - Chocolate Peanut Butter Flavor - 20g Plant Based Protein - Gluten Free - Non-GMO - Low Glycemic - No Artificial Sweeteners - Value Pack, 2.4 oz. (12 Count)

8.9

8.0

8.0

9

Protein One 90 Calorie Protein Bars, Chocolate Fudge, Keto Friendly, 5 Ct, 4.8 oz

10

Quest Nutrition Chocolate Brownie Protein Bar, 20g Protein, 1g Sugar, 4g Net Carb, Gluten Free, Gluten Free, 12 Count

8.0

8.0

8.0

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