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Low Calorie Protein Bars

10 Best Low Calorie Protein Bars 2025 in the United States

#1

Winner

9.8 score

KIND Bars, Dark Chocolate Nuts and Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count

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KIND Bars, Dark Chocolate Nuts and Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count

KIND

9.8 score

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KIND Bars, Dark Chocolate Nuts & Sea Salt, offer a convenient and tasty option for those seeking low-calorie, protein-rich snacks. Each bar contains 6 grams of protein, which is beneficial for muscle repair and maintaining energy levels. The bars are relatively low in sugar with only 5 grams, making them a better choice for those monitoring their sugar intake. Additionally, they are gluten-free and composed of heart-healthy almonds, ensuring a nutritious snack option.

Rating
9.8
Chosen by1,339
Protein Content
Fiber Content
Ingredients

Most important from
55431 reviews

Protein Content
These gluten-free bars are packed with wholesome ingredients, providing a good source of protein and fiber, ideal for on-the-go snacking.
Fiber Content
They are a good source of fiber, supporting digestive health, and made with high-quality ingredients for a wholesome snack.
Ingredients
They are a good source of fiber, supporting digestive health, and made with high-quality ingredients for a wholesome snack.
Taste and Texture
The KIND Nut Bars in Peanut Butter Dark Chocolate are a delightful and nutritious snack option, perfectly balancing the rich flavors of dark chocolate and creamy peanut butter.
#2
9.6 score

Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Lemon Cake, 1.76 oz, 12 Count (Pack of 1)(Packaging May Vary)

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Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Lemon Cake, 1.76 oz, 12 Count (Pack of 1)(Packaging May Vary)

Pure Protein

9.6 score

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Pure Protein Bars in Lemon Cake flavor offer 20 grams of high-quality protein per bar, which makes them a great option for those looking to support energy, build lean muscle, and aid muscle recovery. At just 1.76 ounces each and 12 bars per pack, these bars are convenient for on-the-go snacking, whether pre- or post-workout. The low sugar content (5 grams or less per bar) is beneficial for those who are mindful of their sugar intake. Gluten-free ingredients add to the appeal for individuals with gluten sensitivities.

Rating
9.6
Taste and Texture

Most important from
8758 reviews

Taste and Texture
The flavor is exceptional and satisfying, far from the artificial taste many other bars have.
#3
9.3 score

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

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

RXBAR

9.3 score

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The RXBAR Protein Bars in Chocolate Sea Salt flavor are a solid choice for those looking for a low-calorie protein snack. Each bar provides 12 grams of protein, which is substantial for a protein bar while maintaining a relatively low-calorie count. The ingredients are simple and straightforward, featuring egg whites, almonds, cashews, and dates, without any artificial additives, which is great for health-conscious consumers. The bars are also gluten-free and kosher, making them accessible to a wider range of dietary preferences and needs.

Rating
9.3
Protein Content
Sugar Content
Ingredients

Most important from
10889 reviews

Protein Content
Perfect for keeping blood sugar balanced and high protein intake throughout the day.
Sugar Content
A wonderful treat for diabetics – rich, smooth, and indulgent.
Ingredients
Simple and clean ingredients are essential for avoiding digestive issues.
Taste and Texture
The blend of chocolate and sea salt is perfectly satisfying.

Top 10 Best Low Calorie Protein Bars 2025 in the United States

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Chia Smash

Smash Foods Energy Bites | Variety Pack | 5 Gluten-Free Vegan Snack Balls with No Sugar Added | Protein, Superfood Jam, Chia Seeds | On-the-Go Convenience | 8 Packs

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#1

Winner

9.8 score

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KIND

KIND Bars, Dark Chocolate Nuts and Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count

Protein Content: 6 grams
Sugar Content: 5 grams
Ingredients: almonds, non-GMO ingredients, nuts
Taste and Texture: crunch, dark chocolate flavor

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24% OFF

Chosen by 1339 this week

Sponsored

Slide 1

Chia Smash

Smash Foods Energy Bites | Variety Pack | 5 Gluten-Free Vegan Snack Balls with No Sugar Added | Protein, Superfood Jam, Chia Seeds | On-the-Go Convenience | 8 Packs

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#2

9.6 score

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Pure Protein

Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Lemon Cake, 1.76 oz, 12 Count (Pack of 1)(Packaging May Vary)

Protein Content: 20 grams per bar
Sugar Content: 5 grams or less
Ingredients: Gluten-free ingredients

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16% OFF
#3

9.3 score

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RXBAR

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

Calorie Count: low-calorie
Protein Content: 12 grams
Sugar Content: from the dates
Ingredients: egg whites, almonds, cashews, dates
Taste and Texture: well-received

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#4

9.1 score

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RXBAR

RXBAR Protein Bars, Protein Snacks, Snack Bars, Variety Pack (12 Bars)

Protein Content: High Protein
Sugar Content: moderate
Fiber Content: adequate
Ingredients: simple, real ingredients
Taste and Texture: satisfying texture, flavor

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#5

8.8 score

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KIND

KIND Bars, Caramel Almond & Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count

Protein Content: 6 grams
Sugar Content: 5 grams
Ingredients: almonds, non-GMO ingredients
Taste and Texture: caramel almond, sea salt, crunchy

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24% OFF

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#6

8.5 score

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RXBAR

RXBAR Nut Butter and Oat Protein Bars, Protein Snacks, Snack Bars, Honey Cinnamon Peanut Butter, 23.2oz Box (12 Bars)

Protein Content: 10 grams
Ingredients: oats, honey, peanuts, egg whites, cinnamon
Taste and Texture: soft yet crispy

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#7

8.3 score

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think!

think! Protein Bars, High Protein Snacks, Gluten Free, Kosher Friendly, Creamy Peanut Butter, Nutrition Bars, 2.1 Oz per Bar, 12 Count (Packaging May Vary)

Protein Content: 20 grams per bar
Sugar Content: no sugar
Ingredients: non-GMO, no artificial colors or flavors
Taste and Texture: creamy peanut butter flavor, creamy texture

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24% OFF
#8

8.0 score

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MET-Rx

MET-Rx Big 100 Protein Bar, Meal Replacement Bar, 30G Protein, Salted Caramel Brownie Crunch, 9 Count, 3.52 Oz.(Packaging may vary)

Protein Content: 30 grams
Taste and Texture: Salted caramel, brownie crunch

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21% OFF
#9

7.7 score

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Quest Nutrition

Quest Nutrition Crispy Cookies & Cream Hero Protein Bar, 18g Protein, 1g Sugar, 3g Net Carb, Gluten Free Protein Snack, Keto Friendly, 12 Count

Protein Content: 18g
Sugar Content: 1g
Fiber Content: 6g
Ingredients: Complete, dairy-based proteins

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21% OFF
#10

7.4 score

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Quest Nutrition

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

Protein Content: 20-21g
Sugar Content: 0-2g
Ingredients: High-quality dairy proteins
Taste and Texture: Enjoyable taste, dense texture

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Buying Guide for the Best Low Calorie Protein Bars

Choosing the right low-calorie protein bar can be a bit overwhelming with so many options available. The key is to find a bar that fits your dietary needs, taste preferences, and nutritional goals. Here are some important specifications to consider when selecting a low-calorie protein bar, along with explanations to help you make an informed decision.
Calorie CountThe calorie count of a protein bar is crucial if you're looking to manage your weight or maintain a low-calorie diet. Low-calorie protein bars typically range from 100 to 200 calories per bar. If you're using the bar as a snack, aim for the lower end of this range. If it's meant to replace a meal, you might opt for something closer to 200 calories. Your daily caloric needs and goals will guide you in choosing the right calorie count.
Protein ContentProtein content is important because it helps with muscle repair and growth, and keeps you feeling full longer. Low-calorie protein bars usually contain between 10 to 20 grams of protein. If you're using the bar post-workout or as a meal replacement, aim for the higher end of this range. For a light snack, a bar with around 10 grams of protein should suffice. Consider your daily protein requirements and how the bar fits into your overall diet.
Sugar ContentSugar content is a key factor, especially if you're trying to avoid added sugars. Low-calorie protein bars can have anywhere from 1 to 10 grams of sugar. Bars with lower sugar content (1-5 grams) are generally better for maintaining stable blood sugar levels and avoiding unnecessary calories. If you have a sweet tooth, look for bars that use natural sweeteners like stevia or monk fruit instead of added sugars.
Fiber ContentFiber is important for digestive health and can help you feel full longer. Low-calorie protein bars typically contain 3 to 10 grams of fiber. If you're looking for a bar that will keep you satiated, aim for one with higher fiber content (5-10 grams). For a lighter snack, a bar with around 3 grams of fiber should be sufficient. Consider your daily fiber intake and how the bar contributes to it.
IngredientsThe ingredient list can tell you a lot about the quality of a protein bar. Look for bars with natural, whole food ingredients and avoid those with a long list of artificial additives, preservatives, and fillers. Ingredients like nuts, seeds, and whole grains are good indicators of a healthier bar. If you have dietary restrictions or allergies, make sure to check for any potential allergens.
Taste and TextureTaste and texture are subjective but important factors. A protein bar that you enjoy eating will be easier to incorporate into your routine. Some bars are chewy, while others are crunchy or soft. Try a few different types to see what you prefer. Reading reviews and trying sample packs can help you find a bar that suits your taste and texture preferences.

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