10 Best Protein Bars Zero Sugar Low Carb of 2025

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

April 2025 Edition

Editor's Choice

9.7

Save 20%

Quest Nutrition

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

20% OffFree Shipping

Editor's bottom line:

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

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.
*See Individual Packages for Nutrition Information.

Show Price

Picked by 344 people today

9.5

NuGo

NuGo Smarte Carb 20g Protein 0g Sugar, 2g Net Carbs 160 Calories Brown, Sugar free Peanut Butter Crunch, 12 Count

Free Shipping

Main Highlights

Who doesnt want a high protein snack with 0g of Sugar, 1-2g of net carbs and 20g of protein all in one protein bar. NuGo Smarte Carb bars are loaded with flavor and packed with protein. No get chalky protein flavor or artificial sweeteners in this protein bar!
SUGAR FREE: Looking for a high protein snack bar with 0g of sugar? We have you covered with this NuGo bar.
HIGH FIBER: Looking for a high fiber snack, NuGo Smarte Carb contains 5g of fiber.
HIGH PROTEIN: : 18-20g of protein gives you the energy you need without sacrificing taste.
LOW CARB: As our package says, be smart about carbs! Smarte Carb bars only have 1-2g of net carbs making them the perfect low carb snack.
NON-GMO INGREDIENTS: NuGo Nutrition is strongly committed to the health of our customers and their families; this is why we source-verified Non-GMO ingredients for our NuGo bars.
2 Protein Packed Flavors: Peanut Butter Crunch and Chocolate Black Cherry
18-20g of Protein
Low Carb - 1-2g of Net Carbs per bar

Show Price

9.5

Save 13%

Atkins

Atkins Peanut Butter Protein Wafer Crisps, Protein Dessert, 4g Net Carb, 1g Sugar, Keto Friendly, 5 Count

13% OffFree Shipping

Main Highlights

AT HOME OR ON-THE-GO. Atkins Peanut Butter Protein Wafer Crisps. Enjoy delicious wafer crisps that fit right into your busy schedule, with 10g of protein, 4g of net carbs, and 1g of sugar per serving*. This is Todays Atkins.
YOUR APPROACH. Help give your body the nutrients it needs without sacrificing your favorite flavors.
AMAZING RECIPES. Delight in the nutrients and satisfying flavors of great foods made with quality ingredients
Offered in 5ct cartons containing individually wrapped 1.27oz wafer crisps.
TASTE WHATS GOOD. Stay true to your low carb lifestyle with these delicious treats

Show Price

9.2

KIND

KIND ZERO Added Sugar Bars, Keto Snack, Dark Chocolate Nuts and Sea Salt, Good Source of Fiber, Gluten Free, Low Sugar, 5g Protein, 5 Count

Free Shipping

Main Highlights

Contains five (5) KIND ZERO Added Sugar Bars; 1 ingredient almonds
Keto friendly bars have4g 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
Made with nutrient-dense almonds and peanuts, plus chocolatey top drizzle and bottom coating
Enjoy as a nutritious on-the-go snack any time of day
No artificial sweeteners or sugar alcohols; Non-GMO Project Verified; low sodium; Kosher

Show Price

9.0

Atkins

Atkins Double Fudge Brownie Protein Meal Bar, High Fiber, 15g Protein, 1g Sugar, 4g Net Carb, Meal Replacement, Keto Friendly

Free Shipping

Main Highlights

AT HOME OR ON-THE-GO. Atkins Double Fudge Brownie Protein Meal Bars. Enjoy delicious meal bars that fit right into your busy schedule, with 15g of protein, 1g of sugar, and 4g of net carbs per serving*. This is Todays Atkins.
YOUR APPROACH. Help give your body the nutrients it needs without sacrificing your favorite flavors.
AMAZING RECIPES. Delight in the nutrients and satisfying flavors of great foods made with quality ingredients.
Offered in 5ct cartons containing individually wrapped 1.69oz bars.
TASTE WHATS GOOD. Stay true to your low carb lifestyle with these delicious meal bars.

Show Price

Best Value

8.8

Save 26%

Pure Protein

Pure Protein Bars, High Protein, Nutritious Snacks to Support Energy, Low Sugar, Gluten Free, Chocolate Peanut Butter, 1.76oz, 12 Count (Packaging May Vary)

26% OffFree Shipping

Main Highlights

NEW LOOK! One 12 ct box of Pure Protein Chocolate Peanut Butter Protein Bars
DELICIOUS HIGH PROTEIN BAR: Pure Protein Chocolate Peanut Butter Bars are full of flavor and contain 20g of protein for lasting energy. Each delicious bar is gluten free with high-quality protein that helps build lean muscle and strength.
ON-THE-GO PROTEIN SNACK: Pure Protein Bars support your busy and active lifestyle. Made with high-quality protein, an essential part of a nutritious, balanced diet, Pure Protein bars are a delicious snack any time of day.
PRE- AND POST-WORKOUT FUEL: Pure Protein Bars are perfect before or after a workout. Have a protein bar an hour before a workout for energy and lean muscle support or after a workout to replenish energy and help the muscle recovery process.
PERFECT COMBINATION: Pure Protein is proud to offer high protein bars with low sugar and great taste that youll love.

Show Price

8.6

IQBAR

IQBAR Brain and Body Plant Protein Bars - 7 Bar Sampler Pack - Gluten Free, High Fiber, Vegan Snacks - Low Sugar Meal Replacement

Free Shipping

Main Highlights

NO. 1 KETO-FRIENDLY SNACK BARS FOR BRAIN & BODY - IQBAR low carb bars are made using simple ingredients + brain nutrients. Designed to keep you full, focused & energized throughout the day, our gluten free protein bars also contain 12g plant-based protein, 1-2g sugar, & only 2-3g net carbs. These vegan keto bars are the ideal low calorie snack to support your active & healthy lifestyle
DIET-FRIENDLY PROTEIN SNACKS - Our protein bars are diet-friendly. IQBAR high protein snacks are vegan, keto-friendly, dairy-free, soy-free, kosher & high in fiber. Our breakfast bars are made using clean-label ingredients and natural flavors that are packed full of nutrients, healthy fats, and compounds for both your brain and body. Moreover, our bars are developed with every diet restriction including celiac, paleo, and vegan
PACKED WITH NUTRIENTS FOR THE BRAIN & BODY - IQBAR clean vegan protein bars are loaded with brain-boosting nutrients, such as Lions Mane, Magnesium, Vitamin E, MCTs & Flavonoids. We use a science-backed formulation to provide you with healthy & tasty nutrition bars for your active & busy lifestyle. Throw them in a backpack or lunch box for your kids to enjoy a healthy middle of the day snack. Perfect college care package inclusion for your busy student away
MEAL REPLACEMENT BARS YOU CAN ENJOY ON-THE-GO - IQBAR plant based breakfast bars are convenient meal replacement bars you can enjoy anytime, anywhere. Enjoy our low sugar protein bars right after an intense workout, in the middle of a hectic day at work, or while running errands. Our keto protein bars are perfect for any time of day
KETO FRIENDLY SNACKS w/ Only 2-3g Net Carbs in Every Serving - Net carbs are carbs that are absorbed by the body, and our keto treats come with only 2-3g of net carbs in every serving. Each keto plant based protein bar is packed with 9-12g of total carbs, 6-9g of fiber, 10-13g of fats & 160-180 calories. Try our 7 flavors Chocolate Sea Salt, Peanut Butter Chip, Almond Butter Chip, Toasted Coconut Chip, Lemon Blueberry, Banana Nut, and Wild Blueberry

Show Price

8.3

GRAB1

Grab1 Sugar Free Protein Bars, Dairy Free Dark Chocolate (3 Pack = 12 Bars) | 12gr Protein + 4gr Fiber | Low Calorie | Zero Sugar

Free Shipping

Main Highlights

FINEST INGREDIENTS- A nutrition bar is only as healthy as what goes in it. Thats why we insist on the finest, whole grain rolled oats, rice crisps, soy protein, and rich chocolate prepared to the highest standards.
RICH & DELICIOUS- Grab1 Bars flavors are rich and extravagant making every bite as delicious as the first. Adults and children just love the taste!
BETTER FOR YOU- Low in calories and fat but rich in iron, fiber, and protein, Grab1 Bars are also made with zero hydrogenated oils and high fructose corn syrup so that you can feel good about the snacks you eat.
GRAB1 & GO- Grab1 Bars are the perfect snack for those that are always on the go. Plus, they are a delicious way to control hunger and give you that energy boost to get through the day.
CERTIFIED- Kosher

Show Price

8.1

Extend Bar

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

Free Shipping

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.
GREAT TASTE: Great taste is why people come back to Extend Nutrition sugar free protein bars again and again and enjoy them as part of their daily healthy snack regimen.

Show Price

8.1

Unstoppable Foods

UNSTOPPABLE Vegan Protein Bars, High Protein, Plant Based, Gluten Free, High Fiber, Low Carb, Low Calorie, Healthy Snacks, No Sugar, Keto Energy Bar, Chocolate Almond, 12 Count

Free Shipping

Main Highlights

KETO-FRIENDLY SNACK BARS TO FUEL YOUR BEST: UNSTOPPABLE low carb bars are the perfect keto-friendly snack with 12g plant-based protein, 0g sugar, & 0g net carbs. These vegan keto bars provide the fuel you need without the blood sugar spikes, making them the ideal low calorie snack for anyone following a keto diet or simply looking for a clean, satisfying treat to power through the day.
DIET-FRIENDLY HIGH PROTEIN SNACKS: UNSTOPPABLE high protein snacks support a range of dietary needs. Our protein bars are vegan, keto-friendly, low-carb, dairy-free, soy-free, gluten-free & non-GMO. Our breakfast bars are also low sugar, high fiber, and packed full of nutrients & healthy fats, making them a healthy, diabetic friendly snack that fits into any clean eating plan.
DELICIOUS WITHOUT THE SUGAR: At UNSTOPPABLE, we believe you dont need sugar to enjoy a delicious treat. Our low-calorie bars are completely sugar-free and sweetened with allulose, a natural sweetener that has no impact on your blood sugar levels. Ideal for anyone on a low glycemic diet or managing blood sugar, our delicious vegan, keto bars give you the satisfaction of a sweet treat without compromising your healthy lifestyle.
MEAL REPLACEMENT PROTEIN BARS ON-THE-GO: UNSTOPPABLE plant based protein bars are convenient meal replacement bars that fit into your busy lifestyle. Whether youre looking for a healthy breakfast, a post workout snack, or just a quick, clean meal replacement on-the-go, our keto protein bars have got you covered any time of the day so everyone can enjoy them as part of their sports nutrition routine.
KETO FRIENDLY LOW CARB SNACKS: Net carbs are total carbs minus fiber and sugar alcohols that don't impact blood sugar, and our keto-friendly low-carb bars come with 0g of net carbs in each bar to provide a delicious treat without kicking you out of ketosis. Each plant based protein bar is packed with 0g net carbs, 0g sugar, 8g fiber, 8g of fats & 150 calories to help you stay on track with your health and fitness goals, guilt-free.

Show Price

Our Best Overall Choice

Best Choice

9.7

Quest Nutrition

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

20% OffFree Shipping

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

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.
*See Individual Packages for Nutrition Information.

Show Price

Related Deals You Might Like for Protein Bars Zero Sugar Low Carb

Genius Gourmet Gluten Free Keto Protein Bar, Chocolate Keto Bars, Premium MCTs, Low Carb, Low Sugar (Variety Pack, 20 Count (Pack of 1))

Show PriceView

Legendary Foods 22g Protein Cinnamon Roll - Premium High Protien Bars, Low Carb Meal Replacement Snack, Low Glycemic Index, Gluten Free Snacks - Sweet Zero Sugar, Keto and Diabetic Friendly 10-Pack

Show PriceView

Legendary Foods 22g Protein Pastry+ Premium Low Carb Meal Replacement Bar - Low Glycemic, Gluten Free Protien Snacks - Healthy Keto Snack Box, 8x Zero Sugar Energy Bars - Bariatric Diabetic Friendly

Show PriceView

No Sugar Keto Bar Snack - Low Carb No Sugar Keto Snack Food with Keto Friendly Macros (12 x 1.41oz Bars, Peanut Butter)

Show PriceView

David, Protein Bar, Variety Pack, Pack of 6 Protein Bars | 28g of Protein | 150 Calories | 0g of Sugar - High Protein, Low Carb, Gluten Free Protein Bar

Show PriceView

Legendary Foods 20g Protein Pastry - Low Carb Meal Replacement Bar - Low Glycemic, Gluten Free Protien Snacks - Healthy Keto Snack Box, 10x Zero Sugar Energy Bars - Bariatric Diabetic Friendly

Show PriceView

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

Show PriceView

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

43% Off

Show PriceView

Atkins Endulge Peanut Butter Cups, Dessert Favorite, Low Carb, 0g Sugar, 20 Count

Show PriceView

Quest Nutrition S'mores Protein Bar, 31g Protein, 4g Net Carbs, 1g Sugar, Gluten Free, Keto Friendly, 4 Count

Show PriceView

Deals are Live

Special Amazon deal ends in: