Best Low Carb Vegan Soy Protein Bars

Lowest Carb Protein Bars that are Soy Protein and Vegan
Ranking of lowest carb protein bars filtered by: Soy Protein, Vegan
Protein Bar Nerd Logo
By Protein Bar Nerd
October 17, 2025

Rankings Overview

  1. 1. SimplyProtein
    Dark Chocolate Almond

    Vegan bar that keeps sugar to 2 grams without stevia or sucralose—using fiber and real chocolate instead—while delivering a crisp cereal crunch at 160 calories and 13g of protein.

  2. 2. TREK
    Peanut Butter Crunch

    A vegan, gluten‑free peanut‑butter–chocolate bar that tastes like candy yet skips artificial sweeteners and still delivers 15.5g of complete soy protein.

  3. 3. KIND
    Crispy Chocolate Peanut Butter

    A dairy‑free, peanut‑crunch KIND bar that hits 20g of protein with just 1 gram of sugar by leaning on soy isolate plus allulose and chicory fiber—rare power without the powdery taste.

  4. 4. CLIF
    Chocolate Mint Protein Bar

    Vegan, gluten-free bar that tastes like mint-chocolate candy yet delivers 20g of complete soy protein—no sugar alcohols, just quick-fuel cane and rice syrups.

  5. 5. PROBAR
    Sea Salt Caramel

    Vegan bar that nails true salted‑caramel flavor with real sugar—no icy sugar‑alcohol aftertaste—while packing 20g of complete soy protein.

Compare Best Low Carb Vegan Soy Protein Bars

BarCarbsProteinFatCaloriesSugarIngredientsAdditives
SimplyProtein
Dark Chocolate Almond
161371602182
TREK
Peanut Butter Crunch
15161022911291
KIND
Crispy Chocolate Peanut Butter
2320142501152
CLIF
Chocolate Mint Protein Bar
3120928017192
PROBAR
Sea Salt Caramel
3320727012163

Under the Microscope

1.

SimplyProtein

Dark Chocolate Almond

SimplyProtein Dark Chocolate Almond protein bar product photo
Product image of SimplyProtein Dark Chocolate Almond protein bar
13g
Protein
7g
Fat
16g
Carbs
2g
Sugar
160
Calories
Allergens:Tree Nuts, Soybeans
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:18

What's in the Dark Chocolate Almond SimplyProtein bar?

SimplyProtein’s Dark Chocolate Almond goes classic on flavor but modern on build: soy protein crisps and real almonds, finished with dark chocolate, all in a vegan, gluten‑free bar.

It’s light for the category—160 calories with 13g of soy‑based protein—and the sweetness stays modest because it leans on chicory‑root fiber and a touch of plant‑derived glycerin, with a small nudge of cane sugar in the chocolate chips for true cocoa taste.

Those carbs come mostly from fiber plus simple whole grains (brown rice crisps and oats), which many people find steadier than syrupy binders. Fats are a modest 7g, coming mainly from almonds, with a little cocoa butter for richness.

The ingredient list is tight and recognizable, with two functional add‑ins—chicory‑root fiber (inulin, a refined plant fiber that adds body) and glycerin (a plant‑based syrup that keeps it soft)—doing the textural heavy lifting.

Protein
13
15
Fat
7
9
Carbs
16
20
Sugar
2
4
Calories
160
210

What are people saying?

Main praise: Reviewers love the clean, cocoa‑forward flavor and cereal‑crisp chew—plus the no‑artificial‑sweetener approach that still delivers 13g of protein at 160 calories.

Main criticism: The crisp texture can read dry or chalky to some, it won’t stand in for a meal, and the chicory‑root fiber may bother FODMAP‑sensitive stomachs.

Bottom Line

Best for a light, not‑too‑sweet, dairy‑free protein snack between meals or post‑workout; less ideal if you want a dense meal‑replacement bar.

2.

TREK

Peanut Butter Crunch

TREK Peanut Butter Crunch protein bar product photo
Product image of TREK Peanut Butter Crunch protein bar
16g
Protein
10g
Fat
15g
Carbs
11g
Sugar
229
Calories
Allergens:Coconuts, Peanuts, Soybeans
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:29

What's in the Peanut Butter Crunch TREK bar?

TREK’s Peanut Butter Crunch leans fully plant‑based: the protein backbone is soya protein isolate (24%), with a small assist from pea protein in the coating and a natural lift from peanuts.

The flavor is the real deal—peanut butter (12%), actual peanuts, and peanut flour—wrapped in a chocolate‑style coating and a soft caramel layer.

Macros read “snack that satisfies”: protein around the category average, fat a touch higher thanks to nut butter and confectionery oils, and carbs modest but skewing toward sugars from fruit and classic syrups.

Expect a creamy‑crunchy bite with more dessert energy than monk‑like minimalism, plus a small manganese bonus from peanuts, cocoa, and coconut components.

Protein
16
15
Fat
10
9
Carbs
15
20
Sugar
11
4
Calories
229
210

What are people saying?

Main praise: Taste leads: a real peanut‑chocolate‑caramel hit with no artificial sweeteners, solid plant protein, and vegan/gluten‑free credentials.

Main criticism: Macro hawks find the protein‑to‑calorie ratio modest; some note a slightly claggy texture or chicory‑fiber tummy rumbles, and it isn’t a low‑sugar pick.

Bottom Line

Best for plant-based snackers who want a genuinely sweet, peanut-forward bar between meals or after the gym. Skip if you avoid peanuts or soy, or if chicory root fibre tends to upset your stomach.

3.

KIND

Crispy Chocolate Peanut Butter

KIND Crispy Chocolate Peanut Butter protein bar product photo
Product image of KIND Crispy Chocolate Peanut Butter protein bar
20g
Protein
14g
Fat
23g
Carbs
1g
Sugar
250
Calories
Allergens:Peanuts, Soybeans
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:15

What's in the Crispy Chocolate Peanut Butter KIND bar?

KIND’s Crispy Chocolate Peanut Butter looks like a treat, yet it’s built like a serious snack. Its muscle comes from soy protein isolate—a complete, dairy‑free plant protein—while peanuts drive flavor and add a little extra protein.

Sweetness skips table sugar in favor of allulose (a low‑calorie sugar) plus soluble fibers refined from cassava (tapioca fiber) and chicory (inulin), and fats from peanuts, palm kernel oil, cocoa butter, and peanut oil deliver that crisp bite.

You’re looking at 20 grams of protein, 250 calories, and only 1 gram of sugar, with just two true additives: soy lecithin to keep things blended and mixed tocopherols (vitamin E) to protect the oils.

The trade‑off is that carbs come mostly from engineered fibers—great for steadier energy for many, though some people feel GI rumbling from chicory or larger amounts of allulose.

Protein
20
15
Fat
14
9
Carbs
23
20
Sugar
1
4
Calories
250
210

What are people saying?

Main praise: Reviewers rave about the crunchy, peanut‑first flavor that dodges chalkiness while still delivering 20g of protein with restrained sweetness.

Main criticism: The knocks: chicory fiber and allulose can bother sensitive stomachs, a few find the crisp a bit dry with a sweetener aftertaste, and purists bristle at the engineered ingredient list.

Bottom Line

Dairy‑free eaters who want a higher‑protein grab‑and‑go option; a satisfying bridge between meals or a post‑workout bite when you’d rather chew than sip.

4.

CLIF

Chocolate Mint Protein Bar

CLIF Chocolate Mint Protein Bar protein bar product photo
Product image of CLIF Chocolate Mint Protein Bar protein bar
20g
Protein
9g
Fat
31g
Carbs
17g
Sugar
280
Calories
Allergens:Soybeans
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:19

What's in the Chocolate Mint CLIF bar?

Chocolate mint fans, meet a plant-powered heavy hitter: CLIF’s Chocolate Mint Protein Bar uses soy protein isolate and concentrate to hit 20g of complete protein. For sweetness and structure it leans on cane sugar and brown rice syrup—fast-burning carbs—plus a palm-kernel-oil chocolate coating that stays crisp in a backpack.

It’s vegan and gluten-free, with its mint-chocolate flavor coming from cocoa, unsweetened chocolate, and a touch of natural mint. You also pick up meaningful iron and phosphorus from the soy and cocoa, and a couple of standard bar additives keep the texture stable and the coating smooth.

The tradeoff is higher sugar and carbs than many bars, so think fast fuel plus protein rather than a slow, all-afternoon nibble.

Protein
20
15
Fat
9
9
Carbs
31
20
Sugar
17
4
Calories
280
210

What are people saying?

Main praise: Taste leads the applause: a mint-chocolate shell with a substantial chew that people actually enjoy, backed by a real 20g of dairy-free protein.

Main criticism: The drawbacks are clear—280 calories and 17g added sugar, a palm-oil coating higher in saturated fat, and a texture some find dense, especially when cold.

Bottom Line

Best for pre‑ or post‑workout fuel, or a purposeful between‑meal bridge when you want a tasty, dairy‑free 20g protein hit. Less ideal if you’re minimizing added sugar or avoiding soy.

5.

PROBAR

Sea Salt Caramel

PROBAR Sea Salt Caramel protein bar product photo
Product image of PROBAR Sea Salt Caramel protein bar
20g
Protein
7g
Fat
33g
Carbs
12g
Sugar
270
Calories
Allergens:Tree Nuts, Soybeans
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Sea Salt Caramel PROBAR bar?

Meet PROBAR Base Sea Salt Caramel, a vegan bar built on 20g of soy protein isolate and an unapologetically sweet‑salty profile. The recipe is mid‑length—about 12 ingredients—with three modern helpers that keep the bar soft and stable.

Carbs run high at 33g and calories land at 270, typical for a chewy caramel style, while fat stays moderate at 7g from palm kernel oil, safflower oil, and a little almond butter.

In short: plant protein, quick fuel, and a caramel finish driven by real sugar and sea salt.

Protein
20
15
Fat
7
9
Carbs
33
20
Sugar
12
4
Calories
270
210

What are people saying?

Main praise: Reviewers love the candy‑bar taste and satisfying heft, plus a legit 20g of complete soy protein—with none of the sugar‑alcohol aftertaste.

Main criticism: The 12g of sugar and a dense, sometimes chalky chew turn off folks who want a lighter, less‑sweet daily bar (and soy is a nonstarter for some).

Bottom Line

Best for post‑workout refueling or long afternoons when you want both protein and quick energy in one wrapper—especially if you prefer real sugar over sugar alcohols.