10 Best Best Low Cal Protein Bars of 2025

Tested and Reviewed: Top 10 Best Low Cal Protein Bars deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

WonderSlim

Wonderslim High Fiber Protein Bars, Variety Pack | 15g Protein, 8g Fiber | Low Sugar, Low Carb | Healthy Indulgence | Satisfying, Supports Energy & On-the-Go Convenience, 7 Pack

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Editor's bottom line:

“This best low cal protein bars is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Delicious Protein & Fiber Bar: Indulge guilt-free in our delicious Wonderslim Protein & Fiber Bars! Meticulously crafted to satisfy one's sweet cravings without compromising on health goals. And the best part? Only 160 calories or less per bar! This product is Gluten Free.
Protein Packed: Packed with 15g of protein and up to 8g of fiber, helping one stay full and energized. It's the perfect option to support less snacking throughout the day.
Carb Conscious Choice: These protein bars are low in sugar and low in carbs, with keto-friendly options available. Enjoy a satisfying snack that aligns with your low carb lifestyle.
Perfect For On The Go: Our low-carb protein bars are the ultimate grab-and-go snack, perfect for busy days. Keep them in a bag, desk, or car for a quick, nutritious boost anytime.
Trusted Brand: Wonderslim is focused on delivering delicious high-protein, low-carb options that meet the nutritional needs of most health and wellness lifestyles. Whether maintaining or just getting started in one's health journey, we have something tasty to help reach wellness goals!

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Picked by 397 people today

9.5

WonderSlim

Wonderslim High Fiber Protein Bars, Fluffy S'more Crisp | 15g Protein, 8g Fiber | Low Sugar, Low Carb | Healthy Indulgence | Satisfying, Supports Energy & On-the-Go Convenience, 7 Pack

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Main Highlights

Delicious Protein & Fiber Bar: Indulge guilt-free in our delicious Wonderslim Protein & Fiber Bars! Meticulously crafted to satisfy one's sweet cravings without compromising on health goals. And the best part? Only 160 calories or less per bar! This product is Gluten Free.
Protein Packed: Packed with 15g of protein and up to 8g of fiber, helping one stay full and energized. It's the perfect option to support less snacking throughout the day.
Carb Conscious Choice: These protein bars are low in sugar and low in carbs, with keto-friendly options available. Enjoy a satisfying snack that aligns with your low carb lifestyle.
Perfect For On The Go: Our low-carb protein bars are the ultimate grab-and-go snack, perfect for busy days. Keep them in a bag, desk, or car for a quick, nutritious boost anytime.
Trusted Brand: Wonderslim is focused on delivering delicious high-protein, low-carb options that meet the nutritional needs of most health and wellness lifestyles. Whether maintaining or just getting started in one's health journey, we have something tasty to help reach wellness goals!

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9.5

David

David High Protein Bars - 0g of Sugar, Low Carb, Gluten Free - 28g of Protein, 150 Calories - On-The-Go Snack - Peanut Butter Chocolate Chunk Flavor, Pack of 12

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Main Highlights

HIGH PROTEIN SNACKS FOR ADULT David protein bars pack 28g of protein into 150 calories, making them the most protein-dense bars out there. With 75% of calories coming from protein, they help build muscle, keep you full, and support your skin, hair, and nails. These gluten free protein bars are a simple way to get more protein without extra calories.
LOW CARB PROTEIN BARS 0g SUGAR Finding protein bars high protein with 0g of sugar can be tough, but David bars check both boxes. With 0g of sugar and low net carbs, they keep things simple. A smart binding system holds everything together while providing you with the macros you need to help increase muscle mass without the sugar.
GLUTEN FREE BARS David protein bars are designed for performance, delivering 28g of high-quality protein with 0g of sugar and 150 calories. Whether youre fueling up pre-workout, recovering post-gym, or need a quick on-the-go snack, these gluten free bars help you stay on track with your macros - without compromising on taste.
DELICIOUS FLAVOR OPTIONS Peanut Butter Chocolate Chunk David protein bar is sweet, salty, & creamy, filled with rich chocolate chunks and roasted peanut crisps.With the David Flavor System, you get all the sweetness without added sugar. These low carb protein bars have a creamy texture with added crunchy crisps. Key components of the flavor system are cocoa powder, natural & artificial flavors, salt, sucralose, & acesulfame potassium.
CONVENIENT ON-THE-GO SNACK Life is busy, and David protein bars make it easy to stay fueled. If you need a quick breakfast, post-workout recovery, or high protein snacks for adults, David bar has you covered. Grab them in protein bars bulk to always have a tasty, protein-packed option ready to go.

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9.2

David

David High Protein Bars - 0g of Sugar, Low Carb, Gluten Free - 28g of Protein, 150 Calories - Variety 6 Pack (2x Blueberry Pie, 2x Fudge Brownie, 2x Salted Peanut Butter)

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Main Highlights

HIGH PROTEIN SNACKS FOR ADULT David protein bars pack 28g of protein into 150 calories, making them the most protein-dense bars out there. With 75% of calories coming from protein, they help build muscle, keep you full, and support your skin, hair, and nails. These gluten free protein bars are a simple way to get more protein without extra calories.
LOW CARB PROTEIN BARS 0g SUGAR Finding protein bars high protein with 0g of sugar can be tough, but David bars check both boxes. With 0g of sugar and low net carbs, they keep things simple. A smart binding system holds everything together while providing you with the macros you need to help increase muscle mass without the sugar.
GLUTEN FREE BARS David protein bars are designed for performance, delivering 28g of high-quality protein with 0g of sugar and 150 calories. Whether youre fueling up pre-workout, recovering post-gym, or need a quick on-the-go snack, these gluten free bars help you stay on track with your macros - without compromising on taste.
DELICIOUS FLAVOR OPTIONS These low carb protein bars have a creamy texture with added crunchy crisps. Key components of the flavor system are cocoa powder, natural & artificial flavors, salt, sucralose, & acesulfame potassium.
CONVENIENT ON-THE-GO SNACK Life is busy, and David protein bars make it easy to stay fueled. If you need a quick breakfast, post-workout recovery, or high protein snacks for adults, David bar has you covered. Grab them in protein bars bulk to always have a tasty, protein-packed option ready to go.

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9.0

Simply Protein

Simply Protein - Crispy Vegan Protein Bars Variety Pack, 3 Flavors - Plant Based, Protein Snacks - 13g Protein, 2g Sugar, 7g Fiber - Gluten Free, Non GMO, Kosher - 12 Bars

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Main Highlights

3 Flavor Variety Pack - Includes 4 Dark Chocolate Almond, 4 Lemon Coconut, and 4 Peanut Butter Chocolate Crispy Bars. These snack bars have only 150 to 170 calories and are made to help fuel your day - wherever it takes you. Low Carb, Low Sugar, and High Fiber.
The Original Bar that Started it All - Packed with 13g of Protein, 2g of Sugar, and 7g of Fiber, our Crispy Bars combine delicious natural flavors with a light and crispy texture for a healthy food option you can enjoy wherever you are.
Made With Only the Good Stuff - Our bars are plant-based, kosher certified, non-GMO, rich in fiber, and gluten-free. They're also a good source of iron and contain calcium and potassium, making them ideal on-the-go snacks or pre/post-workout energy bars.
Keep It Simplyfied - Life's complicated, but sticking to your healthy goals doesn't have to be. Simply Protein offers a variety of tasty and nutritious plant-based protein foods, from protein shakes to breakfast bars. Enjoy them all, guilt-free.
Why Simply Protein? - Our mission is, well, Simple. We will nourish people as if they are family, support the community like they are old friends, and take care of the planet like it was our own backyard. Simple. Delicious. Plant Powered Goodness for All.

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8.8

Pure Protein

Pure Protein Chocolate Peanut Butter Protein Bars – 20g Protein, 3g Sugar, 190 Calories (12 count) Low Sugar* High Protein Snack - Gluten Free - Perfect for a Healthy Snack

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Main Highlights

Protein Bars Low Sugar* High Protein this bar contains just 3g of sugar and balanced macros, offering a smarter choice than candy bars or sugary snacks while still delivering the flavor you crave and look forward to.
Convenient Pantry Staple - Individually wrapped nutrition bars, perfect for office snacks, school snacks, or afternoon treats. Delivering clean, portable energy for pre-workout, post-practice recovery, or any other protein needs
Chocolate Peanut Butter: A perfect harmony of creamy, savory nut butter and smooth dark cocoa. This classic duo offers a satisfyingly rich texture that makes hitting your daily protein goals feel like a reward rather than a chore.
Macros That Work for You this bar packs 20g of protein with only 190 calories, 3g of sugar, and balanced macros. A smart option that combines the nostalgic after-school treat flavor with convenient, functional fuel you can enjoy anytime.
Gluten Free Option Certified gluten free protein snacks for adults fit into more diets without compromise, offering dependable nutrition and great taste for families, athletes, and snackers who want high protein bars they can trust daily.

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8.6

Pure Protein

Pure Protein Chocolate Peanut Caramel Protein Bars – 20g Protein, 3g Sugar, 190 Calories (12 count) Low Sugar* High Protein Snack - Gluten Free - Perfect for a Healthy Snack

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Main Highlights

Protein Bars Low Sugar* High Protein this bar contains just 3g of sugar and balanced macros, offering a smarter choice than candy bars or sugary snacks while still delivering the flavor you crave and look forward to.
Convenient Pantry Staple - Individually wrapped nutrition bars, perfect for office snacks, school snacks, or afternoon treats. Delivering clean, portable energy for pre-workout, post-practice recovery, or any other protein needs
Chocolate Peanut Caramel: Inspired by the gooey layers of a gourmet candy bar, this flavor blends salty roasted peanuts with silky caramel and rich chocolate. Its a decadent way to refuel that turns a standard protein break into a high-energy treat.
Macros That Work for You this bar packs 20g of protein with only 190 calories, 3g of sugar, and balanced macros. A smart option that combines the nostalgic after-school treat flavor with convenient, functional fuel you can enjoy anytime.
Gluten Free Option Certified gluten free protein snacks for adults fit into more diets without compromise, offering dependable nutrition and great taste for families, athletes, and snackers who want high protein bars they can trust daily.

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8.3

Quest

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

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Main Highlights

Quest Ultimate Protein Bars Variety Pack. Your favorite Quest protein bars! In one fantastic variety pack! Enjoy the many delicious tastes of our classic protein bars. Try the protein bars value pack with 20-21g of protein and 4-5g of net carbs, and 0-2g of sugar*.
ON A QUEST. Quest protein bars deliver the great taste you want in a snack.
AT HOME OR ON-THE-GO. Delicious protein bars that fit right into your busy schedule.
BITE INTO QUALITY PROTEINS: Every Quest product is made with high-quality dairy-based proteins to help give your body the amino acids you need.
SERVING SIZE: Offered in 12ct cartons containing individually wrapped 1.76oz bars.

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8.1

Pure Protein

Pure Protein Chocolate Deluxe Protein Bars – 21g Protein, 3g Sugar, 190 Calories (12 count) Low Sugar* High Protein Snack - Gluten Free - Perfect for a Healthy Snack

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Main Highlights

Protein Bars Low Sugar* High Protein this bar contains just 3g of sugar and balanced macros, offering a smarter choice than candy bars or sugary snacks while still delivering the flavor you crave and look forward to.
Convenient Pantry Staple - Individually wrapped nutrition bars, perfect for office snacks, school snacks, or afternoon treats. Delivering clean, portable energy for pre-workout, post-practice recovery, or any other protein needs
Chocolate Deluxe: A decadent experience for the true cocoa lover, featuring rich, multi-layered chocolate textures. It proves that a deep, fudgy indulgence can still be a functional part of a balanced fitness routine.
Macros That Work for You this bar packs 20g of protein with only 190 calories, 3g of sugar, and balanced macros. A smart option that combines the nostalgic after-school treat flavor with convenient, functional fuel you can enjoy anytime.
Gluten Free Option Certified gluten free protein snacks for adults fit into more diets without compromise, offering dependable nutrition and great taste for families, athletes, and snackers who want high protein bars they can trust daily.

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8.1

Protein One

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

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Main Highlights

PROTEIN BARS: Every delicious 90-calorie strawberries and cream flavored protein bar has 10g of protein; A good source of protein
KETO FRIENDLY: 1g sugar and 2g net carbs per serving; 2g net carbs = 11g total carbs - 5g fiber - 4g sugar alcohol; Always consult your physician before starting an eating plan that involves regular consumption of high fat foods
A GOOD SOURCE OF FIBER: Each serving has 5g fiber (total fat 2g, sat. fat 1.5g)
SNACK BARS: Feel like one smart cookie when you say 'yes' to your sweet tooth; An ideal office or lunch box snack, part of breakfast, or on the go treat
CONTAINS: One 4.8 oz box of Protein One 90 Calorie Strawberries and Cream Protein Bars; 5 bars

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Our Best Overall Choice

Best Choice

9.7

WonderSlim

Wonderslim High Fiber Protein Bars, Variety Pack | 15g Protein, 8g Fiber | Low Sugar, Low Carb | Healthy Indulgence | Satisfying, Supports Energy & On-the-Go Convenience, 7 Pack

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Delicious Protein & Fiber Bar: Indulge guilt-free in our delicious Wonderslim Protein & Fiber Bars! Meticulously crafted to satisfy one's sweet cravings without compromising on health goals. And the best part? Only 160 calories or less per bar! This product is Gluten Free.
Protein Packed: Packed with 15g of protein and up to 8g of fiber, helping one stay full and energized. It's the perfect option to support less snacking throughout the day.
Carb Conscious Choice: These protein bars are low in sugar and low in carbs, with keto-friendly options available. Enjoy a satisfying snack that aligns with your low carb lifestyle.
Perfect For On The Go: Our low-carb protein bars are the ultimate grab-and-go snack, perfect for busy days. Keep them in a bag, desk, or car for a quick, nutritious boost anytime.
Trusted Brand: Wonderslim is focused on delivering delicious high-protein, low-carb options that meet the nutritional needs of most health and wellness lifestyles. Whether maintaining or just getting started in one's health journey, we have something tasty to help reach wellness goals!

Show Price

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