Updated: 16 Jul 2025

10 Best protein bars low calories of 2025

Explore up to 30% Off

Updated: 16 Jul 2025

#1

Best Choice

Grenade Carb Killa High Protein and Low Carb Bar, 12 x 60 g - Caramel Chaos

9.6

Grenade

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Main highlights

Packed with protein, with 23g per bar

Low in sugar, with just 1.4g per bar

A triple layered bar consisting of protein nougat, topped with caramel, coated in milk chocolate and crispies.
#2

Best Value

Quest Nutrition Chocolate Brownie Protein Bar, High Protein, Low Carb, Keto Friendly, 12 Count

9.4

Quest Nutrition

-16%

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Main highlights

CHOCOLATE BROWNIE: One of the world's iconic desserts, brownies have been re-invented for a new Cheat Clean generation; Even the most critical brownie connoisseur will forever remember the first time they taste the Chocolate Brownie Quest Bar

CHEAT CLEAN: Eat toward your goals and love every bite along the way; With 20-21 grams of protein and plenty of fiber, these delicious protein bars have no added sugar, and don't have unnecessary carbs

BEST-IN-CLASS PROTEIN BARS: We only use complete, dairy-based proteins and create our own Choco flavored chips, cookie pieces, and other inclusions to make every bite as delicious as your cravings

-16%
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#3

Optislim VLCD Meal Replacement Bar, High Pure Protein Bar, Low Carb Healthy Diet Snack, Low Sugar Snacks with 25 Vitamins & Minerals, Choc Fudge Flavor, 5 x 60g

9.1

Optislim VLCD

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Main highlights

Protein bars are nutritional & a great choice for keeping your body in fat-burning mode! They also help in sustaining the healthy fats with its added sugar free feature. They are a great choice if you’re watching your weight and want to keep hunger in check.

Indulge your sweet tooth without the guilt! The Optislim Choc Coated Bar snacks are a tasty and convenient choice.

A perfect meal replacement when you don’t have enough time for breakfast, lunch or dinner because they provide the body with an adequate amount of protein and essential nutrients that can give you the energy you need for the day.
#4

Atkins Caramel Chocolate Nut Roll Snack Bar - High in Fibre, Low Sugar, Protein Snack, 5 Pack

8.9

Atkins

-15%

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Main highlights

STAY ON TRACK. Enjoy at home or grab & go with these convenient, delicious treats that fit your busy schedule.

MINDFUL INDULGENCE. Satisfy your taste buds & support your nutritional goals with high fibre and 2 grams of sugar per serving.

BLISS MEETS BALANCE. Treat yourself to the irresistible flavours of caramel and chocolate with 2g of sugar per serving.

-15%
#5

Atkins Chocolate Chip Crisp Bars | Keto Friendly | 5 x 37g Low Carb Chocolate Bars | Low Carb, Low Sugar, High Protein, High Fibre | 5 Bar Pack

8.7

Atkins

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Main highlights

The Atkins Chocolate Chip Crisp bar is a satisfying mix of chocolate chips and soy crisps - the perfect breakfast bar that's low in carbs and sugar

Something for everyone; With tons of variety, you'll stay on a low carb track while enjoying your food; From meal components to shakes, bars, drinks, there's an Atkins product to fit your individual tastes, lifestyle needs, and nutrition goals

Low carb (2g), Low sugar (0.8g), High Protein (12g), High Fibre (6g), Great Taste
#6

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

8.6

Quest Nutrition

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Main highlights

Quest Bars Variety Pack: Your favourite Quest protein bars; in one fantastic variety pack; enjoy the delicious tastes of our classic protein bars; try the protein bars variety pack with 21g of protein, 4g of carbs, and just 1.0-1.1g of sugar

BITE INTO QUALITY PROTEINS: Every Quest product is made with the proteins to help give your body the amino acids you need

At home or on-the-go: Quest Protein Bars with 21g of grab and go protein are just right for your morning commute, as a tasty treat at your desk, or a delicious way to refuel after a workout
#7

Noshu Low Carb Double Choc Brownie Indulgence Bars – 5 Pack (150g)

8.3

Noshu

-30%

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Main highlights

Natural Sweeteners + Natural Colours & Flavours

LOW SUGAR: Only 3g Sugar Per Serve

LOW CARB: Just 4g Carbs Per Serve

-30%
#8

Atkins Endulge Caramel Nut Chew Bars | Keto Friendly Bars | 15 x 34g Low Carb Caramel Chocolate Bars | Low Carb, Low Sugar, High Fibre | 15 Bar Pack

8.2

Atkins

-15%

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Main highlights

This is sheer indulgence;Caramel, peanuts and nougat, all dipped in a rich chocolaty coating; And with only 2 grams of carbs, the Caramel Nut Chew bar truly is the perfect snack to satisfy your chocolate cravings without all that sugar

SOMETHING FOR EVERYONE: With tons of variety, you'll stay on a low carb track while enjoying your food; From meal components to shakes, bars, drinks, there's an Atkins product to fit your individual tastes, lifestyle needs, and nutrition goals

Low carb (2g), Low sugar (1g), High Fibre (5.9g), Great Taste

-15%
#9

Maxine's Burn Fat Burning Protein Bars, Caramel Crunch, Box of 12 x 40g Bars

7.9

Maxine

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Main highlights

Low in carbohydrates, fats and sugars

High quality protein

Added metabolism boosters
#10

Noshu Low Carb Choc Mint Indulgence Bars – 5 Pack (150g)

7.8

Noshu

-30%

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Main highlights

Natural Sweeteners + Natural Colours & Flavours

LOW SUGAR: Only 2g Sugar Per Serve

LOW CARB: Just 4g Carbs Per Serve

-30%