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10 Best Low Calorie Protein Bars 2026 in the United States
#1
Winner
Quest Nutrition Lemon Cake Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count (Pack of 1)
Quest Nutrition Lemon Cake Protein Bars are designed for those seeking a low-calorie, high-protein snack. Each bar contains 20g of protein, which is quite substantial for a protein bar. With only 4g of net carbs and 1g of sugar, these bars are also keto-friendly and suitable for low-carb diets. The inclusion of 13g of fiber helps support digestive health and adds to the bar's overall nutritional profile. These bars are gluten-free, making them a viable option for those with gluten sensitivities.
Rating
10.0
Chosen by1,343
Protein Content
Sugar Content
Taste and Texture
Most important from
102333 reviews
#2
Quest Nutrition Ultimate Variety Pack Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count
The Quest Nutrition Ultimate Variety Pack Protein Bars offer a convenient and tasty option for those looking to maintain a low-calorie, high-protein diet. Each bar contains 20-21g of protein, making it a strong choice for muscle repair and growth. The bars are also keto-friendly, with only 4-5g of net carbs and 0-2g of sugar per serving, which is excellent for those managing their carbohydrate intake.
Rating
9.7
Taste and Texture
Most important from
102333 reviews
#3
Pure Protein Pure Protein Bars, High Protein, Nutritious Snacks To Support Energy, Lemon Cake, 12 Count, 12 Count
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
9.1
Taste and Texture
Most important from
77168 reviews
Top 10 Best Low Calorie Protein Bars 2026 in the United States
#1
Winner
Quest Nutrition Lemon Cake Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count (Pack of 1)
Quest Nutrition Lemon Cake Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count (Pack of 1)
Protein Content: 20g
Sugar Content: 1g
Fiber Content: 13g
Ingredients: dairy-based
Taste and Texture: lemon cake flavor
Chosen by 1343 this week
Quest Nutrition Ultimate Variety Pack Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count
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
Pure Protein Pure Protein Bars, High Protein, Nutritious Snacks To Support Energy, Lemon Cake, 12 Count, 12 Count
Pure Protein Pure Protein Bars, High Protein, Nutritious Snacks To Support Energy, Lemon Cake, 12 Count, 12 Count
Protein Content: 20 grams per bar
Sugar Content: 5 grams or less
Ingredients: Gluten-free ingredients
RXBAR Protein Bars, Protein Snack, Snack Bars, Chocolate Sea Salt, 18.3oz Box (10 Count)
RXBAR Protein Bars, Protein Snack, Snack Bars, Chocolate Sea Salt, 18.3oz Box (10 Count)
Calorie Count: low-calorie
Protein Content: 12 grams
Sugar Content: from the dates
Ingredients: egg whites, almonds, cashews, dates
Taste and Texture: well-received
KIND Bars, Caramel Almond & Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count
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
Related Products
KIND Nut Bars, Dark Chocolate Nuts and Sea Salt, Healthy Snacks, Gluten Free, Low Sugar, 6g Protein, 12 Count
KIND Nut 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
RXBAR Protein Bars, Protein Snacks, Snack Bars, Variety Pack (12 Bars)
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
Quest Nutrition Crispy Cookies & Cream Hero Protein Bar, 18g Protein, 1g Sugar, 3g Net Carb, Gluten Free Protein Snack, Keto Friendly, 12 Count
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
RXBAR Nut Butter and Oat Protein Bars, Protein Snacks, Snack Bars, Honey Cinnamon Peanut Butter, 23.2oz Box (12 Bars)
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
#10
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)
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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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.