Best Low Calorie Nut-Free Vegetarian Protein Bars

Lowest Calorie Protein Bars that are Vegetarian and Tree Nuts Free
Ranking of lowest calorie protein bars filtered by: Vegetarian, Tree Nuts Free
Protein Bar Nerd Logo
By Protein Bar Nerd
October 17, 2025

Rankings Overview

  1. 1. 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.

  2. 2. Applied Nutrition
    Chocolate Salted Caramel

    A true candy-bar moment—real couverture chocolate and gooey salted caramel—delivered at 140 calories with 13g of plant-first protein.

  3. 3. Promix Nutrition
    Snickerdoodle

    A crispy whey-puff cinnamon bar that delivers 15g of complete protein in 150 calories with a nostalgic snap and no sucralose aftertaste.

  4. 4. Magic Spoon
    Blueberry Muffin

    A cereal‑crispy, blueberry‑muffin bar that stays playful at 140 calories while still delivering 12g of complete dairy protein.

  5. 5. David Protein
    Peanut Butter Chocolate Chunk

    One of the leanest macro plays in the aisle: 28g of complete dairy-and-egg protein for just 150 calories, powered by a novel plant-based fat (EPG) and a zero-sugar sweetener system.

  6. 6. Orgain
    Chocolate Brownie

    Organic, vegan, gluten-free brownie bar that actually tastes cocoa-forward while staying genuinely light at 150 calories with 10g of complementary rice-and-pea protein.

  7. 7. MOSH
    Peanut Chocolate Chip

    MOSH’s Peanut Chocolate Chip stands out as a whey‑based, 170‑calorie bar that keeps sugar to 3g and adds a modest vitamin‑D‑led “Brain Blend”—a rare combo in a peanut‑chocolate flavor that actually eats like a snack.

  8. 8. Exo
    Chocolate Fudge Brownie

    Exo’s Chocolate Fudge Brownie stands out for its cricket-powered protein blend—animal and plant together—delivering 14g of protein and real cocoa at just 160 calories.

  9. 9. Quaker
    Cookies & Cream

    Quaker’s Cookies & Cream Protein Granola Bar is the rare granola bar-first, protein bar-second pick: nostalgic Quaker chew, airy whey crisps, and 10g of dairy protein in a 160-calorie treat.

  10. 10. Clio Snacks
    Blueberry

    Chocolate-dipped yogurt, not a shelf-stable brick: Clio's Blueberry lives in the fridge, delivering a cheesecake-like bite with 8g of dairy protein and no sugar alcohols.

Compare Best Low Calorie Nut-Free Vegetarian Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Fiber One
Chocolate Fudge
90101031174
Applied Nutrition
Chocolate Salted Caramel
140131751328
Promix Nutrition
Snickerdoodle
150151734184
Magic Spoon
Blueberry Muffin
140121761175
David Protein
Peanut Butter Chocolate Chunk
150281430196
Orgain
Chocolate Brownie
150101956174
MOSH
Peanut Chocolate Chip
170111793215
Exo
Chocolate Fudge Brownie
160142272182
Quaker
Cookies & Cream
1601023595312
Clio Snacks
Blueberry
160816814152

Under the Microscope

1.

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.

2.

Applied Nutrition

Chocolate Salted Caramel

Applied Nutrition Chocolate Salted Caramel protein bar product photo
Product image of Applied Nutrition Chocolate Salted Caramel protein bar
13g
Protein
5g
Fat
17g
Carbs
1g
Sugar
140
Calories
Allergens:Milk, Coconuts, Wheat, Soybeans
Diet:Vegetarian
Total Ingredients:32

What's in the Chocolate Salted Caramel Applied Nutrition bar?

Chocolate Salted Caramel plays straight to your chocolate-bar brain: a couverture milk chocolate shell wrapped around a low-sugar caramel with a pinch of salt. The protein is plant-led—hydrolysed wheat and soy—nudged up by a little milk protein isolate and soy crisps for texture.

Sweetness comes from modern confectionery tools: sugar alcohols (mainly maltitol) and refined fibers like soluble tapioca fiber that replace cane sugar to keep listed sugar at 1 gram while recreating that chewy caramel feel.

Fats are classic chocolate fats—cocoa butter with a touch of coconut oil—while a vitamin blend adds B vitamins along with C and E. Translation: it’s a lighter-calorie, candy-bar-style protein snack built more for chocolate-caramel satisfaction than for granola-bar minimalism.

Protein
13
15
Fat
5
9
Carbs
17
20
Sugar
1
4
Calories
140
210

What are people saying?

Main praise: Taste leads the story: a real chocolate shell and soft, gooey center that fans say feels like a treat without blowing the calorie budget.

Main criticism: It runs sweet and more chew than true ‘crunch,’ relies on maltitol that can upset sensitive stomachs, and the wheat–soy–milk combo rules it out for gluten-free eaters.

Bottom Line

A sweet‑tooth snack when you want chocolate‑caramel satisfaction plus a meaningful protein nudge, especially pre‑workout or during the afternoon slump—without committing to a heavy, meal‑replacement‑style bar.

3.

Promix Nutrition

Snickerdoodle

Promix Nutrition Snickerdoodle protein bar product photo
Product image of Promix Nutrition Snickerdoodle protein bar
15g
Protein
3g
Fat
17g
Carbs
4g
Sugar
150
Calories
Allergens:Milk, Eggs, Coconuts
Diet:Vegetarian, Gluten-Free
Total Ingredients:18

What's in the Snickerdoodle Promix Nutrition bar?

Promix's Snickerdoodle builds its structure around airy whey protein puffs, then binds them with a cinnamon-vanilla marshmallow layer. It is intentionally light at 150 calories with 15g of complete dairy protein and very little fat, so it eats like a snack rather than a meal.

Carbs lean refined, with cassava-derived tapioca syrup and tapioca starch, tempered by added soluble fibers from tapioca and chicory-root inulin to keep sugars modest. You will also see a few functional helpers used sparingly, like sunflower lecithin to keep the puffs crisp and agar and glycerin to set and soften the marshmallow.

The result is a dessert-spice profile with a cereal-like crunch rather than a sticky chew.

Protein
15
15
Fat
3
9
Carbs
17
20
Sugar
4
4
Calories
150
210

What are people saying?

Main praise: Reviewers love the nostalgic, crispy texture and balanced cinnamon-vanilla sweetness—15g of whey for 150 calories without a sucralose or sugar-alcohol aftertaste.

Main criticism: Some find the bar drier and the puffs denser than a gooey rice treat, pick up a noticeable coconut note, and a few report that chicory-root fiber can bother sensitive stomachs.

Bottom Line

Best for a light pre- or post-workout bite or a midday bridge when you want crisp, not taffy-chewy, and you prefer sweetness without artificial aftertastes. Less ideal if you’re coconut-averse or sensitive to inulin, dairy, or eggs.

4.

Magic Spoon

Blueberry Muffin

Magic Spoon Blueberry Muffin protein bar product photo
Product image of Magic Spoon Blueberry Muffin protein bar
12g
Protein
6g
Fat
17g
Carbs
1g
Sugar
140
Calories
Allergens:Milk, Tree Nuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:17

What's in the Blueberry Muffin Magic Spoon bar?

Magic Spoon’s Blueberry Muffin bar builds its sweetness and structure more like a smart dessert than a sticky protein brick: milk proteins (casein first, whey concentrate later) for the muscle support, freeze‑dried blueberries and natural flavor for the muffin note, and only 140 calories.

Much of the usual sugar and flour are traded for allulose—a low‑calorie sugar—and refined soluble fibers from tapioca and chicory that help keep blood sugar steadier. Fats come from almond butter, plus palm‑derived oils and a little cream, which keep the bar tender and shelf‑stable.

You’ll also see a handful of functional helpers—about five by our count—for sweetness and texture: allulose (a low‑calorie sugar), stevia and monk fruit (high‑intensity sweeteners), glycerin (a plant‑derived syrup that holds moisture), and sunflower lecithin (an emulsifier that keeps things smooth).

The result is a keto‑leaning, dessert‑styled bar that gets its sweetness mostly from modern sweeteners rather than sugar.

Protein
12
15
Fat
6
9
Carbs
17
20
Sugar
1
4
Calories
140
210

What are people saying?

Main praise: A cereal‑crispy bite that reads like a treat while delivering 12g protein at just 140 calories—fans love the blueberry swirl and how light yet satisfying it feels.

Main criticism: If stevia or monk fruit tastes bitter to you, the aftertaste may show up, the texture can crumble a bit, and 12g protein plus palm‑based fats and fermentable fibers won’t win over purists or sensitive stomachs.

Bottom Line

” Best for keto-leaning or carb-conscious eaters who tolerate dairy and alternative sweeteners.

5.

David Protein

Peanut Butter Chocolate Chunk

David Protein Peanut Butter Chocolate Chunk protein bar product photo
Product image of David Protein Peanut Butter Chocolate Chunk protein bar
28g
Protein
3g
Fat
14g
Carbs
0g
Sugar
150
Calories
Allergens:Milk, Eggs, Coconuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:19

What's in the Peanut Butter Chocolate Chunk David Protein bar?

David Protein’s Peanut Butter Chocolate Chunk is the definition of protein-first: a milk-protein–based bar with 28g per serving and very little fat or sugar on board. The recipe leans on milk protein isolate and whey, plus egg white, with a little collagen for texture.

Flavor comes from defatted peanut flour, peanut extract, and dark cocoa, so you get the profile without a lot of peanut oil. Sweetness is built from modern, low-calorie sweeteners, and a modified plant fat called EPG supplies creaminess with fewer calories than regular oil.

With roughly six functional additives keeping everything soft, sweet, and stable, this is a deliberately engineered bar aimed at clean macros over minimal processing.

Protein
28
15
Fat
3
9
Carbs
14
20
Sugar
0
4
Calories
150
210

What are people saying?

Main praise: Unbeatable macro math—28g protein for 150 calories—with a soft, doughy chew that keeps you full without the brick-heavy feel, earning nods from Bon Appétit and Men’s Health.

Main criticism: Polarizing taste with a noticeable sweetener aftertaste, occasional waxy/oily texture reports, and a highly engineered ingredient list (sugar alcohols, artificial sweeteners) that, paired with a premium price, turns some buyers off.

Bottom Line

Protein‑first eaters—post‑workout, cutting phases, or anyone who wants serious protein without a dense, high‑calorie bar. Best for people who tolerate sugar alcohols and don’t require a whole‑foods ingredient list.

6.

Orgain

Chocolate Brownie

Orgain Chocolate Brownie protein bar product photo
Product image of Orgain Chocolate Brownie protein bar
10g
Protein
5g
Fat
19g
Carbs
6g
Sugar
150
Calories
Allergens:Tree Nuts
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:17

What's in the Chocolate Brownie Orgain bar?

Orgain’s Chocolate Brownie keeps the promise in its name: real cocoa and dairy-free chocolate chips lead the flavor, not a blast of candy-bar sweetness. The protein is strictly plant-based—an organic blend of brown rice and pea crisps with a quiet boost from chia—and the whole bar clocks in at 150 calories.

Carbs skew more refined for texture and cohesion (think tapioca syrup and a fiber-like starch syrup) rather than oats or dates, while fats come mainly from almond butter with a touch of cocoa butter.

There are 17 ingredients total and four common “texture and sweetness helpers” to keep it soft and cohesive; they’re standard for low-sugar-style bars but can be noticeable if your stomach is sensitive.

Protein
10
15
Fat
5
9
Carbs
19
20
Sugar
6
4
Calories
150
210

What are people saying?

Main praise: Taste and compatibility lead the applause: a dependable cocoa-brownie flavor, cohesive chew, and an organic, vegan, gluten-free formula that averages 4.4 stars across thousands of reviews.

Main criticism: The 10g protein hit can feel light, and the low-sugar approach (including erythritol and a fiber-like syrup) reads too sweet or a bit hard on digestion for some.

Bottom Line

A light, plant‑based snack between meals or pre‑workout when you want a chocolate fix without a sugar surge. Especially good for folks avoiding dairy and soy who still want something that tastes like a treat.

7.

MOSH

Peanut Chocolate Chip

MOSH Peanut Chocolate Chip protein bar product photo
Product image of MOSH Peanut Chocolate Chip protein bar
11g
Protein
9g
Fat
17g
Carbs
3g
Sugar
170
Calories
Allergens:Milk, Peanuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:21

What's in the Peanut Chocolate Chip MOSH bar?

Peanut Chocolate Chip reads like a classic—roasted peanuts and real chocolate—but the nutrition is deliberately modern. The protein base is a whey‑forward blend of whey and milk protein isolates, while sweetness relies more on low‑calorie sweeteners than cane sugar.

Most of the carbs come from soluble tapioca fiber, a refined fiber from cassava that adds body and helps keep the sugar impact gentler, with erythritol (a sugar alcohol) plus stevia and monk fruit supplying sweetness without many calories.

Fats are primarily from peanuts and cocoa butter rather than added seed oils, and MOSH folds in a small "Brain Blend" featuring vitamin D3 and B12. Net effect: a light, steady‑energy snack, not a meal replacement.

Protein
11
15
Fat
9
9
Carbs
17
20
Sugar
3
4
Calories
170
210

What are people saying?

Main praise: Reviewers love that it actually eats like a snack—170 calories, 11g of smooth whey‑based protein, and a classic peanut‑chocolate taste without the sugar bomb.

Main criticism: The bar feels small for the price and light on protein for gym‑heavy goals, and the low‑sugar sweeteners can leave a cooling aftertaste or GI quirks—plus the Brain Blend doses aren’t disclosed.

Bottom Line

Choose it as a mid‑morning or afternoon snack when you want something peanut‑chocolatey and light, not a meal. Best for low‑sugar seekers who tolerate sugar alcohols and prefer whey over plant proteins.

8.

Exo

Chocolate Fudge Brownie

Exo Chocolate Fudge Brownie protein bar product photo
Product image of Exo Chocolate Fudge Brownie protein bar
14g
Protein
7g
Fat
22g
Carbs
2g
Sugar
160
Calories
Allergens:Eggs, Soybeans
Diet:Gluten-Free
Total Ingredients:18

What's in the Chocolate Fudge Brownie Exo bar?

Exo builds this bar around an unusual team: cricket flour mixed with pea protein and egg whites, which together provide 14 grams of protein in a compact 160-calorie bite. The chocolate character comes from alkalized cocoa and pockets of semi-sweet chips, while most of the sweetness is handled by allulose with a small assist from monk fruit.

Carbs lean more refined, using a cassava-based syrup (prebiotic tapioca concentrate) and pea-based crisps to hold the bar together, and fats come chiefly from sunflower butter.

The ingredient list is concise for the category—roughly 18 items with just two true additives (a touch of natural flavor and soy lecithin in the chips, which simply keeps the chocolate smooth).

Protein
14
15
Fat
7
9
Carbs
22
20
Sugar
2
4
Calories
160
210

What are people saying?

Main praise: Reviewers are pleasantly surprised by how familiar it tastes—cocoa-forward, not overly sweet, and without a telltale cricket note, plus a chew that doesn’t melt all over your hands.

Main criticism: The texture splits the crowd (chewy to dry), the price feels premium, and a few people can’t get past the idea of eating crickets.

Bottom Line

Adventurous, eco-curious snackers who want a light, gluten-free, not-too-sweet cocoa bar for midmorning or post-workout—not a candy bar, but a functional chocolate fix.

9.

Quaker

Cookies & Cream

Quaker Cookies & Cream protein bar product photo
Product image of Quaker Cookies & Cream protein bar
10g
Protein
5g
Fat
23g
Carbs
9g
Sugar
160
Calories
Allergens:Milk, Wheat, Soybeans
Diet:Vegetarian
Total Ingredients:53

What's in the Cookies & Cream Quaker bar?

Cookies & Cream keeps the real trappings: a vanilla-flavored coating, chocolate cookie pieces, white chocolate chips, and a dash of vanilla. Under the dessert vibe, the protein is milk-based—whey isolate/concentrate plus milk protein concentrate—totaling 10g per bar, so think snackable protein more than a meal replacement.

Carbs run higher than many protein bars because the base is granola: whole oats, brown rice crisps, and whole wheat plus traditional sugars like sugar and corn syrup; chicory root extract (a refined fiber) adds some soluble fiber.

A little glycerin (a plant-based syrup) and sorbitol (a sugar alcohol) help keep the bar soft. Fat stays modest, mostly from the coating and chips (palm and cocoa butter), and calories are light at 160.

Protein
10
15
Fat
5
9
Carbs
23
20
Sugar
9
4
Calories
160
210

What are people saying?

Main praise: Fans love the familiar Quaker chew amplified by airy whey crisps—treat-like flavor, no chalk, kid-approved—and at a friendlier price than many high-protein bars.

Main criticism: It’s sweeter and more processed than minimalist bars, with mixed takes on texture and flavor (some prefer Peanut Butter & Chocolate) and a bit of brand baggage from last year’s recall.

Bottom Line

Snackers (including kids) who want a sweet, crunchy-chewy bar with a meaningful protein bump—great for lunch boxes, pre-practice, or afternoon slumps more than full-on meal replacement.

10.

Clio Snacks

Blueberry

Clio Snacks Blueberry protein bar product photo
Product image of Clio Snacks Blueberry protein bar
8g
Protein
8g
Fat
16g
Carbs
14g
Sugar
160
Calories
Allergens:Milk, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:15

What's in the Blueberry Clio Snacks bar?

Clio's Blueberry reads more like a cultured dairy dessert than a gym bar. Yogurt leads the recipe, backed by whey protein concentrate and a little cultured nonfat dry milk, while dried blueberry powder brings real fruit flavor.

A cocoa-and-palm kernel oil shell gives it that candy bar snap. Nutritionally, it's lighter in calories, modest in protein, and on the sweeter side - think yogurt-and-fruit treat sweetened with cane sugar, not a meal-replacement brick.

The ingredient list is fairly streamlined, with a few functional helpers to keep the center creamy and the coating smooth, and there are no sugar alcohols or artificial sweeteners.

Protein
8
15
Fat
8
9
Carbs
16
20
Sugar
14
4
Calories
160
210

What are people saying?

Main praise: Cheesecake-like center, crisp chocolate shell, and clean sweetness without sugar-alcohol aftertaste make this the bar people actually crave.

Main criticism: Detractors find the yogurt tang and dense bite off-putting, wish it packed more than 8g of protein, and note the sweeter profile, palm-kernel-oil shell, and need for refrigeration.

Bottom Line

Best for dessert lovers who want a fridge-friendly sweet with some protein and no sugar alcohol aftertaste. Think afternoon pick-me-up, post-dinner treat, or light breakfast add-on rather than a post-workout 20g protein fix.