Best Low Sugar Soy Protein Bars

Lowest Sugar Protein Bars that are Soy Protein
Ranking of lowest sugar protein bars filtered by: Soy Protein
Protein Bar Nerd Logo
By Protein Bar Nerd
October 17, 2025

Rankings Overview

  1. 1. think!
    Lemon Delight

    Think! Lemon Delight is the rare lemon-forward bar that eats like candy yet delivers 20 grams of protein and 0 grams of sugar through a soy-dairy blend—beloved for flavor and fullness if you tolerate sugar alcohols.

  2. 2. KIND
    Sweet & Salty Caramel Peanut Crisp

    A peanut-first crunch bar that pairs 20g of soy-based protein with just 1g of sugar, using allulose and fiber instead of syrupy sweeteners.

  3. 3. Atkins
    Strawberry Shortcake

    A dessert-leaning strawberry shortcake bar that packs 15g protein and about 1 gram of sugar into 190 calories by using a soy–whey blend, refined fibers, and sucralose instead of dates or syrups.

  4. 4. ZonePerfect
    Birthday Cake

    A legit birthday‑cake bite—airy soy‑protein crisps under a creamy, sprinkle‑studded coating—with 15 grams of protein and just 1 gram of sugar.

  5. 5. Premier Protein
    Chocolate Brownie

    It’s the rare 20g‑protein, 1g‑sugar bar that still eats like a brownie—more value snack than boutique treat.

  6. 6. Fiber One
    Chocolate Fudge

    A 90‑calorie chocolate‑fudge bar that still packs 10g of protein and a soft, fudgy chew—unusually efficient for a dessert‑leaning snack.

  7. 7. Love Good Fats
    Chewy Nutty Lemon Coconut

    Lemon–coconut detour in a chocolate-heavy aisle, this Love Good Fats bar delivers dessert vibes at 150 calories with 11g of soy-forward protein and just 1g sugar.

  8. 8. Equate (Walmart)
    Chocolate Chip Granola

    Walmart’s sleeper hit: a chocolate‑granola chew with 17g of protein and just 1g of sugar at 190 calories, achieved with a soy–whey blend and engineered fibers rather than syrup.

  9. 9. Pure Protein
    Chocolate Peanut Butter

    Pure Protein’s Chocolate Peanut Butter nails the rare combo of 20g whey-led protein at just 200 calories with a candy-bar-like taste and wallet-friendly availability.

  10. 10. Myprotein
    Chocolate Peanut Pretzel

    Myprotein’s Layered Chocolate Peanut Pretzel pairs a real pretzel crunch and candy‑bar chew with 20g of dairy‑and‑soy protein—thanks in part to a touch of beef gelatin—while keeping sugar low via chicory fiber and maltitol.

Compare Best Low Sugar Soy Protein Bars

BarSugarProteinCarbsFatCaloriesIngredientsAdditives
think!
Lemon Delight
020249230165
KIND
Sweet & Salty Caramel Peanut Crisp
1202413240163
Atkins
Strawberry Shortcake
1151810190234
ZonePerfect
Birthday Cake
1152172106523
Premier Protein
Chocolate Brownie
1202010230237
Fiber One
Chocolate Fudge
11010390174
Love Good Fats
Chewy Nutty Lemon Coconut
1111510150258
Equate (Walmart)
Chocolate Chip Granola
117187190206
Pure Protein
Chocolate Peanut Butter
220177200225
Myprotein
Chocolate Peanut Pretzel
2202062114211

Under the Microscope

1.

think!

Lemon Delight

think! Lemon Delight protein bar product photo
Product image of think! Lemon Delight protein bar
20g
Protein
9g
Fat
24g
Carbs
0g
Sugar
230
Calories
Allergens:Milk, Tree Nuts, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Lemon Delight think! bar?

Think!

Lemon Delight is the citrus break in a sea of chocolate, built on 20 grams of protein from a blend led by soy isolate with whey isolates and caseinate backing it up.

To stay sugar-free, it leans on maltitol (a sugar alcohol) and plant-based glycerin for sweetness and that soft, nougat-like chew, with a touch of tapioca starch to hold it together. Fats sit in the middle thanks to almond butter and sunflower oil, plus a bit of palm kernel oil to keep the structure firm.

The label is relatively concise—about 16 ingredients with five modern additives chosen for texture and shelf life. Lemon shows up as natural flavor supported by citric and ascorbic acids rather than actual fruit pieces.

Protein
20
15
Fat
9
9
Carbs
24
20
Sugar
0
4
Calories
230
210

What are people saying?

Main praise: Editors and thousands of shoppers praise the bright, non-chalky lemon taste and candy-like chew that actually keeps them full on 20 grams of protein.

Main criticism: Sugar alcohols—about 13 grams, mostly maltitol—can cause GI upset for some, and the soy/milk/almond allergens limit who can enjoy it.

Bottom Line

Reach for it when you want a dessert-like post-workout bite or an afternoon pick-me-up that’s gluten-free and genuinely satisfying—especially if you tolerate sugar alcohols. Not ideal for those avoiding soy, milk, or tree nuts.

2.

KIND

Sweet & Salty Caramel Peanut Crisp

KIND Sweet & Salty Caramel Peanut Crisp protein bar product photo
Product image of KIND Sweet & Salty Caramel Peanut Crisp protein bar
20g
Protein
13g
Fat
24g
Carbs
1g
Sugar
240
Calories
Allergens:Milk, Peanuts, Soybeans
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Sweet & Salty Caramel Peanut Crisp KIND bar?

KIND's Sweet & Salty Caramel Peanut Crisp starts with what you taste first: real peanuts, a clean hit of sea salt, and a caramel profile built without a syrupy sugar base.

The 20g of protein comes mostly from soy protein isolate, a complete plant protein, with a bit of milk powder and peanut protein along for the ride.

Sweetness and chew rely on allulose, a low-calorie sugar that tastes like sugar, plus soluble fibers from tapioca and chicory, with a little tapioca starch to keep those crisp bits intact.

Palm kernel oil helps the bar hold its shape - more of a saturated fat - balanced by the mostly monounsaturated fats found naturally in peanuts. You'll also see a short list of functional helpers, about three additives, like lecithin to keep things blended and vitamin E to protect the oils.

Protein
20
15
Fat
13
9
Carbs
24
20
Sugar
1
4
Calories
240
210

What are people saying?

Main praise: Reviewers rave about the salty-sweet, real-peanut crunch and the lack of chalky protein aftertaste, with strong ratings to match the 20g of protein.

Main criticism: Sensitive stomachs report rumbling from chicory fiber and allulose, and some find the texture too hard or the ingredient list too engineered, palm kernel oil included.

Bottom Line

Best for peanut lovers who want a high‑protein, low‑sugar, crunchy bar for post‑workout or an afternoon hold‑you‑over—especially if you do well with chicory root fiber and allulose. Skip if you avoid soy, dairy, or peanuts, or if you’re sensitive to added fibers.

3.

Atkins

Strawberry Shortcake

Atkins Strawberry Shortcake protein bar product photo
Product image of Atkins Strawberry Shortcake protein bar
15g
Protein
10g
Fat
18g
Carbs
1g
Sugar
190
Calories
Allergens:Milk, Tree Nuts, Coconuts, Soybeans
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:23

What's in the Strawberry Shortcake Atkins bar?

Atkins’ Strawberry Shortcake leans on a soy-first protein blend backed by whey to deliver 15 grams of complete protein without a sugary coating.

Sugar stays extremely low because the carbs come mostly from refined fibers such as soluble corn fiber and polydextrose, which are processed from corn starch to add bulk and chew without acting like regular sugar.

A small amount of vegetable glycerin, a plant-derived syrup that holds moisture, keeps the bar soft; an emulsifier (soy lecithin) helps it hold together; and sucralose provides the sweetness — together these four core additive types create a dessert-like texture at low net carbs.

Fat runs a bit higher for the size and comes largely from palm kernel, palm, and coconut oils for that creamy shortcake bite, with sunflower oil and a sprinkle of almonds rounding it out.

Real strawberries, natural flavors, and vegetable juice color supply the fruit note and blush.

Protein
15
15
Fat
10
9
Carbs
18
20
Sugar
1
4
Calories
190
210

What are people saying?

Main praise: It reliably crushes dessert cravings without a sugar crash, tastes surprisingly treat-like, and delivers a convenient 15g of protein that’s easy to stash in a bag or desk.

Main criticism: The formula is highly processed and uses sucralose, the texture divides reviewers, added fibers can bother sensitive stomachs, and at 190 calories it’s a snack rather than a meal.

Bottom Line

Best for low-carb or keto snackers who want a sweet-tasting bar that won’t spike sugar and don’t mind artificial sweeteners or a more engineered ingredient list. Not ideal if you avoid soy or dairy, prefer only whole-food bars, or need a true meal replacement.

4.

ZonePerfect

Birthday Cake

ZonePerfect Birthday Cake protein bar product photo
Product image of ZonePerfect Birthday Cake protein bar
15g
Protein
7g
Fat
21g
Carbs
1g
Sugar
210
Calories
Allergens:Milk, Eggs, Soybeans
Diet:Vegetarian
Total Ingredients:65

What's in the Birthday Cake ZonePerfect bar?

Birthday Cake in bar form usually means frosting and sprinkles, and this one delivers by design.

The protein backbone is soy protein isolate—some of it puffed into crisp nuggets—with smaller boosts from milk proteins in the white coating and a touch of egg white in a marshmallow layer.

You get 15 grams of protein and only 1 gram of sugar because sweetness and softness lean on sugar alcohols and fiber‑like bulking ingredients instead of cane sugar. The label is long—65 ingredients with roughly two dozen functional additives—used to create the cake‑like bite and to add a robust vitamin/mineral premix.

Fats come from palm‑kernel oil for snap and high‑oleic safflower oil for a softer, mostly monounsaturated counterbalance.

Protein
15
15
Fat
7
9
Carbs
21
20
Sugar
1
4
Calories
210
210

What are people saying?

Main praise: Taste and texture win: a candy‑bar‑style crunch under a creamy coating that makes 15 grams of protein feel like dessert, with barely any sugar.

Main criticism: A long, engineered ingredient list—heavy on sugar alcohols and additives like titanium dioxide—turns off clean‑label shoppers and may unsettle sensitive stomachs.

Bottom Line

Best for sweet-tooth moments when you want moderate protein and a low-sugar bite, and you’re comfortable with sugar alcohols. Good fit for vegetarians; not ideal if you avoid highly processed ingredients or need gluten-free.

Other Flavors

5.

Premier Protein

Chocolate Brownie

Premier Protein Chocolate Brownie protein bar product photo
Product image of Premier Protein Chocolate Brownie protein bar
20g
Protein
10g
Fat
20g
Carbs
1g
Sugar
230
Calories
Allergens:Milk, Tree Nuts, Coconuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:23

What's in the Chocolate Brownie Premier Protein bar?

Premier Protein’s Chocolate Brownie plays the big‑protein, low‑sugar card with a deliberately modern recipe behind that fudgy bite. The 20g comes from a soy‑led blend backed by milk proteins, with a touch of collagen to help texture.

Sweetness stays low (1g sugar) by using maltitol (a sugar alcohol), a bit of plant‑derived glycerin for moisture, and a tiny lift of sucralose; polydextrose, a manufactured soluble fiber, helps keep the chew soft.

Richness is steered by tropical oils—palm kernel and coconut—plus a sprinkle of nuts, while alkalized cocoa drives the darker, smoother chocolate profile.

Protein
20
15
Fat
10
9
Carbs
20
20
Sugar
1
4
Calories
230
210

What are people saying?

Main praise: Fans say it scratches a chocolate‑dessert itch, stays satisfyingly soft, and packs standout protein for the price.

Main criticism: Critics call the flavor flat or artificial, note a gummy chew, and point to the sugar‑alcohol aftertaste and higher saturated fat from tropical oils.

Bottom Line

Reach for it when you want a chocolate fix that still gives you 20g of protein—post‑workout, mid‑afternoon, or travel days—so long as you handle sugar alcohols and aren’t avoiding soy, dairy, or nuts.

6.

Fiber One

Chocolate Fudge

Fiber One Chocolate Fudge protein bar product photo
Product image of Fiber One Chocolate Fudge protein bar
10g
Protein
3g
Fat
10g
Carbs
1g
Sugar
90
Calories
Allergens:Milk, Soybeans
Diet:Keto
Total Ingredients:17

What's in the Chocolate Fudge Fiber One bar?

Fiber One’s Chocolate Fudge Protein Bar is a deliberately light take on a chocolate fix: 90 calories, 10g protein, and a soft bite.

The protein comes from a blend—soy protein isolate does most of the lifting, with whey proteins and calcium caseinate (dairy) plus a small amount of collagen to keep the texture pliable.

Carbs lean on chicory root extract—a refined soluble fiber from chicory—and low‑calorie sweeteners rather than fruit or oats, while the fudge character is built from Dutch‑processed cocoa and cocoa powder. You’ll see 17 ingredients and four helper additives—emulsifiers and low‑calorie sweeteners—to keep it soft and sweet while holding calories down.

Big picture: it’s engineered for sweetness and softness without the calorie load.

Protein
10
15
Fat
3
9
Carbs
10
20
Sugar
1
4
Calories
90
210

What are people saying?

Main praise: Fans rave about the 10g‑for‑90‑calories deal and a genuinely chocolaty, chewy‑meets‑crunchy bite that curbs dessert cravings without feeling heavy.

Main criticism: Critics pick up artificial notes and report stomach upset from maltitol if they eat more than one, and the long, refined‑ingredient list (plus rising prices) doesn’t help.

Bottom Line

Reach for it when you want a low‑calorie chocolate fix with a meaningful protein bump—think afternoon slump, after‑dinner sweet craving, or a light pre‑meeting hold‑over. Less ideal if you’re sensitive to sugar alcohols or avoiding soy/dairy/collagen.

7.

Love Good Fats

Chewy Nutty Lemon Coconut

Love Good Fats Chewy Nutty Lemon Coconut protein bar product photo
Product image of Love Good Fats Chewy Nutty Lemon Coconut protein bar
11g
Protein
10g
Fat
15g
Carbs
1g
Sugar
150
Calories
Allergens:Milk, Tree Nuts, Coconuts, Soybeans
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:25

What's in the Chewy Nutty Lemon Coconut Love Good Fats bar?

Bright lemon, toasted coconut, and a creamy “white chocolate” style coating make this bar feel like a summer snack in miniature.

The protein is mostly soy protein isolate (some of it in crunchy nuggets) with a small assist from milk protein isolate in the coating, so it’s a soy-first blend with a touch of dairy.

Carbs stay low in sugar by leaning on refined fibers—chicory-root fiber (inulin/oligofructose) and soluble corn fiber—plus a bit of glycerin for softness, and stevia for sweetness. Fats come from almonds and coconut, rounded out by palm-based oils in the coating, for a mix of unsaturated and saturated fats.

There are four familiar add-ins—glycerin, sunflower lecithin, stevia, and tocopherols—to keep texture, sweetness, and freshness on point.

Protein
11
15
Fat
10
9
Carbs
15
20
Sugar
1
4
Calories
150
210

What are people saying?

Main praise: Reviewers love how surprisingly satisfying it is for the calories, with a bright lemon–coconut flavor that breaks the chocolate monotony and a gentle sweetness that avoids sugar-crash vibes.

Main criticism: The texture can read dry or powdery for some, and the chicory-root fiber may bother sensitive stomachs—all while the protein tops out at a modest 11g.

Bottom Line

Low‑carb snackers who want a dessert‑y bite between meals, not a full meal replacement. Best if you tolerate chicory‑root fibers and soy and prefer moderate protein with a bright lemon‑coconut profile.

8.

Equate (Walmart)

Chocolate Chip Granola

Equate (Walmart) Chocolate Chip Granola protein bar product photo
Product image of Equate (Walmart) Chocolate Chip Granola protein bar
17g
Protein
7g
Fat
18g
Carbs
1g
Sugar
190
Calories
Allergens:Milk, Tree Nuts, Soybeans
Diet:None
Total Ingredients:20

What's in the Chocolate Chip Granola Equate (Walmart) bar?

Chocolate Chip Granola usually means cozy oats and chocolate; Equate keeps that cue with rolled oats, alkalized cocoa, and a few almonds, then quietly packs in 17g of protein via a soy‑and‑whey blend.

Instead of relying on sugar, it builds the carbs around added fibers—polydextrose (a lab‑made fiber), soluble tapioca fiber (refined from cassava), and inulin (chicory root fiber)—so the bar eats sweet but leans lower‑glycemic.

Fat comes more from refined oils (palm kernel for structure, soybean for softness) than from nuts, and the sweetness is mostly sucralose rather than syrup. It’s a modern, engineered take on a granola bar, with a handful of additives aimed at texture and shelf stability, trading a kitchen‑pantry label for steady energy at 190 calories.

Protein
17
15
Fat
7
9
Carbs
18
20
Sugar
1
4
Calories
190
210

What are people saying?

Main praise: Taste and value lead the applause: a candy‑bar‑adjacent chocolate‑granola chew with an efficient 17g‑for‑190‑calorie payoff.

Main criticism: Ingredient minimalists balk at the engineered formula—isolates, added fibers, refined oils, and sucralose—and it’s not keto, with occasional GI rumblings reported.

Bottom Line

Best for budget‑minded snackers who want a low‑sugar, mid‑protein bar between meals—and who are fine with artificial sweetener and added fibers. Not ideal for strict keto, vegetarians, or those avoiding dairy/soy/nuts.

9.

Pure Protein

Chocolate Peanut Butter

Pure Protein Chocolate Peanut Butter protein bar product photo
Product image of Pure Protein Chocolate Peanut Butter protein bar
20g
Protein
7g
Fat
17g
Carbs
2g
Sugar
200
Calories
Allergens:Milk, Tree Nuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:22

What's in the Chocolate Peanut Butter Pure Protein bar?

This bar is unapologetically whey-forward, built to deliver big protein with only 2g of sugar in a 200-calorie package. The chocolate uses cocoa processed with alkali for a smoother, less-bitter flavor, and the peanut character comes from real peanuts plus a little almond butter.

Five functional additives—glycerin, maltitol, sucralose, soy lecithin, and fractionated palm kernel oil—handle sweetness and texture: glycerin holds moisture, maltitol and a tiny bit of sucralose sweeten with fewer calories than table sugar, lecithin helps fats and cocoa blend, and the palm-derived fat keeps the coating firm at room temp.

It’s more engineered than a date-and-oat bar, but the payoff is a dessert-leaning bite with steadier sugars than a standard candy bar.

Protein
20
15
Fat
7
9
Carbs
17
20
Sugar
2
4
Calories
200
210

What are people saying?

Main praise: Fans love the macro efficiency—about 20g of quality protein for roughly 200 calories—along with a dessert-leaning taste, satisfying feel, and easy-to-find, budget-friendly price.

Main criticism: Critics call out the maltitol-and-sucralose sweetness as artificial, the texture as dense or chewy, the low fiber, and the multiple allergens—plus potential GI rumbling if you have more than one.

Bottom Line

Best for a quick post-workout hit or a sweet-tooth swap when you want meaningful protein without turning to a full shake—so long as you’re fine with sugar alcohols and artificial sweeteners.

10.

Myprotein

Chocolate Peanut Pretzel

Myprotein Chocolate Peanut Pretzel protein bar product photo
Product image of Myprotein Chocolate Peanut Pretzel protein bar
20g
Protein
6g
Fat
20g
Carbs
2g
Sugar
211
Calories
Allergens:Milk, Peanuts, Wheat, Soybeans
Diet:None
Total Ingredients:42

What's in the Chocolate Peanut Pretzel Myprotein bar?

Chocolate Peanut Pretzel sounds playful, but the build is deliberate: 20g of protein from high‑quality dairy (whey, milk protein concentrate, calcium caseinate) plus soy, and a small amount of hydrolyzed beef gelatin to soften the bite.

Sweetness comes from maltitol (a sugar alcohol that tastes close to sugar) and chicory‑root fiber rather than cane sugar; that’s why labeled sugar is just 1. 6g.

The pretzel pieces are real wheat‑flour pretzels, baked the traditional way—a quick lye dip delivers that deep brown crust—so you get a proper salty crunch. Fat lands at 6.

1g and calories at 211. The long ingredient list (42 items, including 11 emulsifiers and stabilizers) is the cost of a multi‑layer, low‑sugar bar that still feels like a treat.

Protein
20
15
Fat
6
9
Carbs
20
20
Sugar
2
4
Calories
211
210

What are people saying?

Main praise: Taste and texture steal the show—a light, layered crunch that actually feels like dessert while still delivering 20g of protein.

Main criticism: Sweetness can read a bit artificial, and the maltitol/chicory‑fiber combo can cause digestive murmurs for some.

Bottom Line

Sweet–salty snackers who want a post-workout or afternoon protein hit with crunch and lower sugar—so long as they’re fine with dairy, soy, wheat, peanuts, and a touch of gelatin.