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10 Best Low Carb Protein Bars 2025 in the United States

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Our Top Picks

#1

Winner

Built Bar, Puff Protein Bars, Variety Pack, Collagen, On-the-go Snacks, Breakfast Bar, Mixed Sampler, 12 Pack

Rating
10.0
Chosen by1,194
Protein Content
Sugar Content
Taste and Texture

Most important from
10040 reviews

Protein Content
With 17 grams of protein, they provide a filling, nutritious snack that supports weight management and meal replacement needs.
Sugar Content
Low sugar content helps avoid the sugar highs and crashes common in many sweet snacks.
Taste and Texture
The firm, chewy marshmallow texture delivers a satisfying bite that sets these bars apart from typical protein bars.

Built Bar Puff Protein Bars offer a convenient, tasty protein snack option with up to 17 grams of protein per bar, supporting active lifestyles and workout recovery effectively. The texture is soft and marshmallow-like, coated in chocolate, making these bars enjoyable to eat without the chalky aftertaste common in some protein bars. A unique feature is the inclusion of collagen peptides, which may benefit joint, hair, and nail health.

This variety pack includes six popular flavors, adding fun and variety to your snack routine. These bars are not specifically marketed as low-carb, and the chocolate coating and sweet flavors suggest they might contain more sugar than stricter low-carb options. They likely have moderate fiber but could be higher for improved carb control.

Calorie content appears reasonable for a snack but might be on the higher side compared to simpler protein bars. If you want a protein bar that tastes good and offers collagen benefits with a decent protein punch, these are a solid pick. For those prioritizing strict low-carb and minimal sugar, considering other bars tailored specifically for low-carb diets is advisable.

Rating
10.0
Chosen by1,194
Protein Content
Sugar Content
Taste and Texture

Most important from
10040 reviews

Protein Content
With 17 grams of protein, they provide a filling, nutritious snack that supports weight management and meal replacement needs.
Sugar Content
Low sugar content helps avoid the sugar highs and crashes common in many sweet snacks.
Taste and Texture
The firm, chewy marshmallow texture delivers a satisfying bite that sets these bars apart from typical protein bars.
#2

ALOHA Organic Plant Based Protein Bars |Peanut Butter Chocolate Chip | 1.98 Oz (Pack of 12) | Vegan, Low Sugar, Gluten Free, Paleo, Low Carb, Non-GMO, Stevia Free, Soy Free, No Sugar Alcohols

Rating
9.4
Protein Content
Fiber Content
Sugar Content

Most important from
22927 reviews

Protein Content
The bars deliver a strong protein boost with clean, organic, plant-based ingredients that avoid artificial additives, sugar alcohols, and stevia.
Fiber Content
High fiber and low sugar content support digestion and provide a healthier alternative to many protein bars loaded with sugar.
Sugar Content
High fiber and low sugar content support digestion and provide a healthier alternative to many protein bars loaded with sugar.
Ingredients
The bars deliver a strong protein boost with clean, organic, plant-based ingredients that avoid artificial additives, sugar alcohols, and stevia.
Taste and Texture
The peanut butter chocolate chip flavor offers a delicious combination with a pleasant texture that makes for an enjoyable snack rather than a compromise on taste.
Calorie Content
The calorie content is balanced to offer energy without being overly heavy, making it ideal for post-workout recovery or busy mornings.

The ALOHA Organic Plant Based Protein Bars in Peanut Butter Chocolate Chip flavor offer a strong protein punch with 14 grams per bar, making them a solid choice for anyone needing a plant-based protein boost. Their carbohydrate content is low relative to many bars, with just 4 grams of sugar and 13 grams of fiber, which helps keep net carbs down and supports digestion. At 240 calories each, they fit well as a filling snack or meal replacement without going overboard on calories.

These bars are made from whole food ingredients like organic brown rice and pumpkin seed protein, avoiding artificial additives, sugar alcohols, and stevia, which is great if you want a clean label and natural taste. Being vegan, gluten-free, soy-free, non-GMO, and paleo-friendly, they suit a wide range of dietary preferences and restrictions. The peanut butter chocolate chip flavor is reported to be tasty with a pleasant texture, making the bars enjoyable rather than a compromise for health.

A potential consideration is that 240 calories per bar might be a bit high if you are strictly watching calorie intake or want a lighter snack. Also, while the sugar content is low, some might find 4 grams of sugar to be a little more than expected for a low-carb bar, depending on personal goals. For those looking for a plant-based, fiber-rich, and relatively low-sugar protein bar that tastes good and supports various diets, these bars are a strong contender.

Rating
9.4
Protein Content
Fiber Content
Sugar Content

Most important from
22927 reviews

Protein Content
The bars deliver a strong protein boost with clean, organic, plant-based ingredients that avoid artificial additives, sugar alcohols, and stevia.
Fiber Content
High fiber and low sugar content support digestion and provide a healthier alternative to many protein bars loaded with sugar.
Sugar Content
High fiber and low sugar content support digestion and provide a healthier alternative to many protein bars loaded with sugar.
Ingredients
The bars deliver a strong protein boost with clean, organic, plant-based ingredients that avoid artificial additives, sugar alcohols, and stevia.
Taste and Texture
The peanut butter chocolate chip flavor offers a delicious combination with a pleasant texture that makes for an enjoyable snack rather than a compromise on taste.
Calorie Content
The calorie content is balanced to offer energy without being overly heavy, making it ideal for post-workout recovery or busy mornings.
#3

IQBAR Brain and Body Plant Protein Bars - Chocolate Sea Salt - 12-Count Low Carb - Gluten Free, High Fiber, Vegan Snacks - Low Sugar Meal Replacement

Rating
8.5
Taste and Texture

Most important from
26542 reviews

Taste and Texture
The flavors have significantly improved with a moist, oatmeal-like texture that's enjoyable even at room temperature.

The IQBAR Brain and Body Plant Protein Bars in Chocolate Sea Salt flavor offer a solid option for those following a low-carb, high-protein diet. Each bar contains 12g of plant-based protein, making it a good protein source. It also has 8g of fiber, which is beneficial for digestion, and only 1g of sugar, making it a smart choice for those monitoring their sugar intake.

With just 2 net carbs per bar, it's keto-friendly and suitable for various dietary restrictions, as it is vegan, gluten-free, dairy-free, and soy-free. Additionally, the bars boast brain-boosting nutrients like Lion’s Mane, Magnesium, Vitamin E, MCTs, and Flavonoids, promising to keep you energized and focused throughout the day. At 170 calories per bar, they can serve as a meal replacement or a convenient, on-the-go snack.

The ingredient list emphasizes clean-label, natural ingredients, which is a plus for health-conscious individuals. The IQBARs cater well to active and health-conscious individuals looking for a nutritious, low-carb snack.

Rating
8.5
Taste and Texture

Most important from
26542 reviews

Taste and Texture
The flavors have significantly improved with a moist, oatmeal-like texture that's enjoyable even at room temperature.

Buying Guide for the Best Low Carb Protein Bars

Choosing the right low-carb 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-carb protein bar, along with explanations to help you make an informed decision.
Protein ContentProtein content is crucial because it helps with muscle repair and growth, keeps you full, and supports overall health. Low-carb protein bars typically range from 10 to 30 grams of protein per bar. If you're using the bar as a meal replacement or post-workout snack, aim for higher protein content (20-30 grams). For a light snack, 10-15 grams may be sufficient. Consider your daily protein needs and how the bar fits into your overall diet.
Carbohydrate ContentCarbohydrate content is important for those following a low-carb diet. Low-carb protein bars usually have between 2 to 15 grams of net carbs. Net carbs are calculated by subtracting fiber and sugar alcohols from total carbs. If you're on a strict low-carb or ketogenic diet, look for bars with 5 grams of net carbs or less. For moderate low-carb diets, up to 15 grams of net carbs may be acceptable. Choose based on your specific carb intake goals.
Fiber ContentFiber is essential for digestive health and can help you feel full longer. Low-carb protein bars often contain 5 to 15 grams of fiber. Higher fiber content (10-15 grams) is beneficial if you're looking to increase your daily fiber intake or need help with satiety. If you already consume enough fiber through other foods, a bar with 5-10 grams may be sufficient. Consider your overall fiber intake when choosing a bar.
Sugar ContentSugar content is a key factor, especially for those monitoring their sugar intake. Low-carb protein bars should have minimal added sugars, ideally less than 5 grams per bar. Some bars use sugar alcohols or natural sweeteners like stevia or monk fruit to keep sugar content low. If you are sensitive to sugar alcohols, opt for bars with natural sweeteners. Check the ingredient list to ensure the bar aligns with your sugar intake preferences.
IngredientsThe ingredient list can tell you a lot about the quality of the protein bar. Look for bars with whole food ingredients and minimal artificial additives. Common ingredients include nuts, seeds, protein isolates, and natural sweeteners. Avoid bars with long lists of unrecognizable ingredients or those high in artificial additives. Choose bars with ingredients that align with your dietary preferences and any food sensitivities or allergies you may have.
Taste and TextureTaste and texture are subjective but important for overall satisfaction. Protein bars come in various flavors and textures, from chewy to crunchy. It's a good idea to try a few different brands and flavors to find what you enjoy. Consider whether you prefer a bar that feels more like a treat or one that is more functional and straightforward. Your personal taste preferences will guide you in selecting a bar you'll look forward to eating.
Calorie ContentCalorie content is important for managing your overall energy intake. Low-carb protein bars typically range from 150 to 300 calories per bar. If you're using the bar as a meal replacement, a higher calorie count (250-300 calories) may be appropriate. For a snack, aim for bars with 150-200 calories. Consider your daily caloric needs and how the bar fits into your overall diet plan.

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