10 Best Zero Sugar Protein Bars of 2026

Tested and Reviewed: Top 10 Zero Sugar Protein Bars deals with expert ratings from 8.1 to a perfect 10

June 2026 Edition

Editor's Choice

9.7

IQBAR

IQBAR Clean Plant Protein Bars - Bar Sampler - 7 Count - Keto, Vegan, High Fiber, Gluten and Dairy Free, Low Sugar Snack - Brain and Body Nutrients for Focus, Energy, Meal Replacement

Editor's bottom line:

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

Main Highlights

CLEAN LABEL PROJECT CERTIFIED: IQBAR is a clean-label, healthy, low carb snack bar with plant protein, low sugar, and low net carbs. Gluten free, dairy free, and designed to keep you full, focused, and energized throughout the day
HIGH FIBER & DIET FRIENDLY: Vegan protein bars that are gluten free, dairy free, soy free, and kosher certified. Made with wholesome ingredients, perfect for keto, celiac, paleo, diabetic, and plant-based diets. A truly versatile snack option
CONVENIENT MEAL REPLACEMENT OR SNACK: Balanced macros with plant protein, healthy fats, and fiber make IQBAR a great choice anytime: breakfast replacement, post workout recovery, office snack, or travel fuel. A low carb protein snack thats low sugar, keto-friendly, and satisfying
LOADED WITH FUNCTIONAL NUTRIENTS: Each bar features Lions Mane, MCT's, Magnesium, Vitamin E, and flavonoids to support focus, memory, and energy. A brain food bar packed with nootropics, perfect for school, work, travel, or a healthy on-the-go bite
LOW NET CARBS WITH 10 DELICIOUS FLAVORS: Each bar is high fiber and low calorie. Enjoy any of our delicious flavors which includes Chocolate Sea Salt, Peanut Butter Chip, Banana Nut, Chocolate Mint Chip, Almond Butter Chip, Lemon Blueberry, Matcha Chai, Wild Blueberry, Toasted Coconut Chip, and Salted Caramel Chip

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Picked by 397 people today

9.5

Quest

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

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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9.5

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

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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9.2

Save 10%

think!

think! Protein Bars, High Protein Snacks, Gluten Free, Sugar Free Energy Bar with Whey Protein Isolate, Brownie Crunch, Nutrition Bars without Artificial Sweeteners, 2.1 Oz (12 Count)

10% Off

Main Highlights

20 grams protein: Our highest protein bar is for consumers seeking a multipurpose nutritional bar that can go from an energy boosting snack to a meal replacement when paired with a piece of fruit.
0 grams Sugar: No artificial sweeteners - Does not contain sucralose, saccharin, aspartame, Acesulfame potassium, neotame or advantame. Great for those watching their sugar intake (low GI).
We take pride in selecting ingredients with no artificial colors or flavors. *All ingredients have been produced without genetic engineering.
Includes 12 think! Brownie Crunch Bars

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9.0

KIND

Kind Zero Added Sugar Healthy Snacks Bars, Dark Chocolate Nuts & Sea Salt, Gluten Free, High Fiber, Keto Snacks, 5g Protein, 5 Count

Main Highlights

Contains five (5) individually wrapped nut bars; Dark Chocolate Nuts and Sea Salt
Keto friendly bars have 3g net carbs, 5g protein and 1g total sugar per serving; 0g added sugar (Not a low-calorie food. See nutrition information for calorie and fat content)
Made nutrient dense almonds and peanuts, plus chocolatey top drizzle and bottom coating
Healthy snacks are smarter snacks. Snack KIND!
No artificial sweeteners or sugar alcohols; Non-GMO Project Verified; low sodium; kosher

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Best Value

8.8

Save 17%

Quest

Quest Nutrition Cookies & Cream Protein Bars, 21g Protein, 1g Sugar, 4g Net Carb, High Fiber, Gluten Free, Keto Friendly, 12 Count

17% Off

Main Highlights

HACK YOUR SNACK. Quest Cookies & Cream Protein Bars have chocolatey sandwich cookie pieces and white chocolatey chunks with 1g of sugar and 4g of net carbs per bar for a taste that reminds you of cookies & cream ice cream.*
AT HOME OR ON-THE-GO. Quest Cookies & Cream Protein Bars with 21g of grab & 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.*
PROTEIN FORWARD. 21g of protein, 1g of sugar, and 4g of net carbs per bar. Its the wonderfully sweet, easy-breezy cheat to support your protein goals while living the cookies & cream dream.*
SERVING SIZE. Offered in 12ct cartons of individually wrapped 2.12oz bars
SNACK LIKE A GENIUS. Quest turns your fave snacks into the ultimate hacks. So reaching your goals has never been tastier. Quest is big on protein, low on sugar and huge on flavor. Yep. Its basically cheating.

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8.6

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

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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8.3

KIND

KIND Protein MAX and Zero Added Sugar Snack Bars Bundle Pack, Gluten Free, High Fiber, Keto Snacks, 4 Flavors, 5-20g Protein, 12 Count

Main Highlights

Box contains 12 Bars: (3) Zero Added Sugar Dark Chocolate Nuts & Sea Salt, (3) Caramel Almond Sea Salt, (3) Protein MAX Crispy Chocolate Peanut Butter, (3) Sweet & Salty Caramel Crisp Bars
KIND Zero Added Sugar keto friendly bars have 4g net carbs, 5g protein and 1g total sugar per serving; 0g added sugar
With 20g of protein KIND Protein Max bars are perfect when you need keto friendly, high protein snacks with 0g added sugar* and 1g total sugar
No artificial sweeteners or sugar alcohols; Non-GMO Project Verified; low sodium; kosher
Not a low-calorie food; See nutrition information for calorie and fat content

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8.1

Extend Bar

Extend Sugar Free Protein Bars, Perfect Diabetic Snacks, High Protein and Fiber, Hunger Control & Steady Energy, Low Carb, Keto Friendly (12 Count, Chocolate Peanut Butter)

Main Highlights

HUNGER CONTROL + STEADY ENERGY: Extend Bar help to control blood sugar for up to 9 hours. Stable blood sugar is key to appetite control and healthy long lasting energy.
PERFECT DIABETIC SNACKS FOR ADULTS & KIDS: Extend Nutrition's sugar free protein bars are the best sugar free snack for diabetes. Doctors and dieticians recommend these low carb snacks to aid with blood sugar support, which helps reduce blood sugar swings and lower episodes of hypoglycemia and hyperglycemia.
FITS MOST DIETS: Extend bars are high protein, sugar free, low carb, low glycemic, gluten free, low calorie, high fiber, keto friendly, and a great fit for intermittent fasting. Each Extend sugar free protein bar contains 11g protein, 0g sugar, 6g fiber, 1 net Carb and only 160 calories.
ALL NATURAL INGREDIENTS: Extend Bars science-backed formulation provides you with great tasting protein bars for your on-the-go active lifestyle. Made with quality protein and no artificial flavors or sweeteners (and erythritol free), they are clean, satisfying and energizing.
PERFECT ANYTIME BAR: Extend Bars are a terrific on-the-go breakfast, between meal snack, meal replacement, pre-exercise and bedtime snack.

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8.1

Save 16%

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

16% Off

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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Our Best Overall Choice

Best Choice

9.7

IQBAR

IQBAR Clean Plant Protein Bars - Bar Sampler - 7 Count - Keto, Vegan, High Fiber, Gluten and Dairy Free, Low Sugar Snack - Brain and Body Nutrients for Focus, Energy, Meal Replacement

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

CLEAN LABEL PROJECT CERTIFIED: IQBAR is a clean-label, healthy, low carb snack bar with plant protein, low sugar, and low net carbs. Gluten free, dairy free, and designed to keep you full, focused, and energized throughout the day
HIGH FIBER & DIET FRIENDLY: Vegan protein bars that are gluten free, dairy free, soy free, and kosher certified. Made with wholesome ingredients, perfect for keto, celiac, paleo, diabetic, and plant-based diets. A truly versatile snack option
CONVENIENT MEAL REPLACEMENT OR SNACK: Balanced macros with plant protein, healthy fats, and fiber make IQBAR a great choice anytime: breakfast replacement, post workout recovery, office snack, or travel fuel. A low carb protein snack thats low sugar, keto-friendly, and satisfying
LOADED WITH FUNCTIONAL NUTRIENTS: Each bar features Lions Mane, MCT's, Magnesium, Vitamin E, and flavonoids to support focus, memory, and energy. A brain food bar packed with nootropics, perfect for school, work, travel, or a healthy on-the-go bite
LOW NET CARBS WITH 10 DELICIOUS FLAVORS: Each bar is high fiber and low calorie. Enjoy any of our delicious flavors which includes Chocolate Sea Salt, Peanut Butter Chip, Banana Nut, Chocolate Mint Chip, Almond Butter Chip, Lemon Blueberry, Matcha Chai, Wild Blueberry, Toasted Coconut Chip, and Salted Caramel Chip

Show Price

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