Best Low Calorie Nut-Free Vegetarian Protein Bars

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

Rankings Overview

  1. 1. Fiber One
    Chocolate Chip

    Among mainstream bars, this is the “engineered efficiency” pick: 10g of protein in just 90 calories, kept light with chicory root fiber and low-calorie sweeteners instead of sugar.

  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
    Coconut

    A crispy, coconut-forward cereal-bar riff built on whey protein puffs—15g of protein in just 150 calories, with no sucralose or stevia.

  4. 4. Magic Spoon
    Birthday Cake

    A crispy, confetti-sprinkled cereal-treat dupe that still clocks 12g of casein–whey protein at just 140 calories with only 1g of sugar.

  5. 5. David Protein
    Fudge Brownie

    This bar delivers 28g of high-quality protein at just 150 calories by using a dairy-and-egg blend and a novel fat-replacer (EPG), making it the most efficiency-driven pick in the lineup.

  6. 6. Exo
    Cookie Dough

    One of the few cookie‑dough bars powered by crickets—complete protein, a natural B12 bump, and 160 calories—without the ‘bug’ taste.

  7. 7. 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.

  8. 8. Clio Snacks
    Strawberry

    Clio’s Strawberry Greek Yogurt Bar stands out as a fridge-kept, chocolate-coated yogurt truffle with 8g of complete dairy protein, a surprise 50% Daily Value of vitamin C, and no sugar alcohols.

  9. 9. NuGo Nutrition
    Vanilla Yogurt

    NuGo Vanilla Yogurt stands out for its frosted‑cereal crunch and clean sweetness (no sugar alcohols) in a lighter 170‑calorie bar that still delivers 11g of complete soy protein and vitamin‑mineral fortification.

  10. 10. TREK
    Berry Burst

    A fruit-first, vegan, gluten-free bar that skips sugar alcohols and builds its 10g of protein into airy soy crisps for a light, crunchy bite.

Compare Best Low Calorie Nut-Free Vegetarian Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Fiber One
Chocolate Chip
90101031225
Applied Nutrition
Chocolate Salted Caramel
140131751328
Promix Nutrition
Coconut
150151734174
Magic Spoon
Birthday Cake
140121661207
David Protein
Fudge Brownie
150281220175
Exo
Cookie Dough
160142172192
Quaker
Cookies & Cream
1601023595312
Clio Snacks
Strawberry
170816814152
NuGo Nutrition
Vanilla Yogurt
1701127313305
TREK
Berry Burst
1771029225120

Under the Microscope

1.

Fiber One

Chocolate Chip

Fiber One Chocolate Chip protein bar product photo
Product image of Fiber One Chocolate Chip protein bar
10g
Protein
3g
Fat
10g
Carbs
1g
Sugar
90
Calories
Allergens:Milk, Soybeans
Diet:Keto
Total Ingredients:22

What's in the Chocolate Chip Fiber One bar?

Think of this as a deliberately light, lab-smart chocolate-chip bar.

The protein base blends milk proteins (whey and casein) with soy and a small amount of collagen, while the sweetness leans on modern sugar stand-ins: allulose (a low-calorie sugar), maltitol (a sugar alcohol), and glycerin (a plant-derived syrup).

Chicory root extract adds bulk as a soluble, prebiotic fiber, and the chocolate flavor comes from cocoa and semisweet chips—used sparingly to keep calories in check. With 22 ingredients and about five classic texture-and-sweetness additives, it’s more formulated than a nut-and-date bar, and that’s exactly how it stays so light.

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

What are people saying?

Main praise: Reviewers love the efficiency: a chocolate-chip chew that curbs cravings while delivering 10g of protein in 90 calories, without the gritty “protein bar” taste.

Main criticism: The tradeoff is sensitivity and texture—maltitol and chicory fiber can cause GI grumbles, and some find the bar a bit tough or “chocolate-adjacent,” especially when cold.

Bottom Line

Choose it when you want a small, chocolatey bridge between meals or a late‑afternoon sweet that still brings 10g of protein. Skip it if you’re sensitive to sugar alcohols or prefer short, whole‑food ingredient lists.

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

Coconut

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

What's in the Coconut Promix Nutrition bar?

Promix Nutrition’s Coconut Protein Bar keeps things intentionally simple: whey-protein puffs supply the crisp, a marshmallow-style binder keeps it together, and real coconut flakes plus a touch of coconut oil deliver a toasty finish.

It’s a lighter, low-fat snack with 15g of protein and modest carbs—more bridge-the-gap fuel than a full meal.

Sweetness comes from a small amount of tapioca syrup (a cassava-derived syrup) rounded out by soluble fibers like inulin and tapioca-derived fiber, plus glycerin, a plant-based moisture keeper that tastes mildly sweet.

The net effect: dessert-like flavor without high-intensity sweeteners, in a gluten-free, soy-free bar.

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

What are people saying?

Main praise: Reviewers love the grown-up cereal-bar crunch, balanced sweetness without an artificial aftertaste, efficient 15g-in-150-calories macros, and honest coconut flavor.

Main criticism: Expectations can misfire: it’s drier and denser than a gooey Rice Krispies treat, the coconut can dominate, a mild “protein-y” note appears for some, and chicory-root fiber may bother sensitive stomachs—plus it’s a snack, not a meal.

Bottom Line

Best for coconut lovers who want a light, pre‑workout or between‑meetings snack and prefer bars without artificial sweeteners.

4.

Magic Spoon

Birthday Cake

Magic Spoon Birthday Cake protein bar product photo
Product image of Magic Spoon Birthday Cake protein bar
12g
Protein
6g
Fat
16g
Carbs
1g
Sugar
140
Calories
Allergens:Milk
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:20

What's in the Birthday Cake Magic Spoon bar?

Magic Spoon’s Birthday Cake bar dresses up classic dairy protein in a crispy, dessert-leaning package. The protein is a casein–whey combo for 12g per bar, while sweetness leans modern: mostly allulose with tiny accents of stevia and monk fruit to keep sugar low.

Most of the carbs come from refined soluble fibers derived from tapioca and chicory root, with a little tapioca starch and plant-based glycerin for softness and an emulsifier from sunflower to keep things smooth.

Fat stays modest, split between almond butter (mostly unsaturated) and palm oils, plus a hint of cream for a frosting-like finish. Plant-colored confetti seals the theme, but the broader trade-off is clear: a low-sugar, 140-calorie snack that favors engineered fibers over whole-food binders like oats or dates.

Protein
12
15
Fat
6
9
Carbs
16
20
Sugar
1
4
Calories
140
210

What are people saying?

Main praise: Reviewers keep calling it a grown-up Rice Krispies treat—crisp, a touch marshmallow-y, and low in sugar—with shout-outs from Reddit to Well+Good and Eat This, Not That! for nailing the crunchy texture.

Main criticism: Critics say the flavor can run mild with a faint whey/stevia finish, the bar sometimes crumbles, and 12g of protein reads more snack than meal—plus the modern fibers and allulose don’t love every stomach.

Bottom Line

Best for a low‑sugar, lighter snack that scratches the dessert itch without a glucose spike—think afternoon pick‑me‑up or pre/post‑workout bite. Less ideal if you want a meal‑replacement bar or avoid dairy and added fibers.

5.

David Protein

Fudge Brownie

David Protein Fudge Brownie protein bar product photo
Product image of David Protein Fudge Brownie protein bar
28g
Protein
2g
Fat
12g
Carbs
0g
Sugar
150
Calories
Allergens:Milk, Eggs, Coconuts, Soybeans
Diet:Gluten-Free
Total Ingredients:17

What's in the Fudge Brownie David Protein bar?

David Protein’s Fudge Brownie is built like a macro tool: very high protein and very low calorie. The protein backbone is a dairy-and-egg blend (milk protein isolate, whey protein concentrate, egg white) with a little collagen, which keeps lactose low while delivering a robust amino profile.

The chocolate flavor comes from Dutch-process cocoa and unsweetened chocolate rather than added sugar.

Sweetness and chew are engineered from refined sweeteners and binders instead of fruit or cane sugar, and the bar uses EPG, a modified plant oil that mimics fat with fewer calories, alongside a touch of coconut oil.

Big picture: it’s a highly formulated, lean, chocolatey bar; if you want whole-food carbs and richer fats, plan to pair it with fruit or nuts.

Protein
28
15
Fat
2
9
Carbs
12
20
Sugar
0
4
Calories
150
210

What are people saying?

Main praise: Fans love the macro math - 28g of high-quality protein for 150 calories - plus a doughy, easy-to-finish texture and flavors that many say avoid a weird aftertaste and keep them full.

Main criticism: The taste is polarizing, with some noting a lingering fake-sweet finish or occasional waxy mouthfeel, and others objecting to the sweetener system and the price.

Bottom Line

Pick it when you want a very lean protein boost—post‑workout, during a cut, or as a late‑afternoon hold‑you‑over—and you’re comfortable with an engineered ingredient list and a flavor that’s more functional than dessert.

6.

Exo

Cookie Dough

Exo Cookie Dough protein bar product photo
Product image of Exo Cookie Dough protein bar
14g
Protein
7g
Fat
21g
Carbs
2g
Sugar
160
Calories
Allergens:Eggs, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:19

What's in the Cookie Dough Exo bar?

This Cookie Dough bar builds flavor the old‑fashioned way—sunflower butter, oat flour, vanilla, and real semi‑sweet chips—then quietly slips in modern nutrition.

Its 14 grams of protein come from a cricket–pea–egg trio that covers amino acids without dairy, and it keeps sugar low by leaning on two modern sweeteners: allulose (a low‑calorie sugar typically made from corn) and monk fruit (an intense, no‑calorie extract from a small gourd).

The result is a tidy 160 calories with a notable bonus: vitamin B12 shows up in meaningful amounts thanks to the cricket flour. If you’ve written off alternative proteins, this reads more cookie than science project.

Protein
14
15
Fat
7
9
Carbs
21
20
Sugar
2
4
Calories
160
210

What are people saying?

Main praise: Reviewers say it tastes surprisingly normal—soft, chewy cookie dough with real chips, low sugar, and enough substance to keep you full, with a sustainability story many appreciate.

Main criticism: The dense, RXBAR‑like chew and uncoated style can read dry for some, and the price feels premium next to mainstream whey bars.

Bottom Line

Dairy‑free protein seekers and the ingredient‑curious who want a lighter, lower‑sugar snack that still tastes like a treat—and are open to sustainable insect protein. If you avoid all animal products, note it contains crickets and egg whites.

7.

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.

8.

Clio Snacks

Strawberry

Clio Snacks Strawberry protein bar product photo
Product image of Clio Snacks Strawberry protein bar
8g
Protein
8g
Fat
16g
Carbs
14g
Sugar
170
Calories
Allergens:Milk, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:15

What's in the Strawberry Clio Snacks bar?

Think strawberry‑yogurt truffle more than muscle bar. Clio leans on cultured yogurt and whey protein concentrate for its protein, then finishes it with a cocoa coating set with palm kernel oil for that crisp snap.

Most of the 16g of carbs come from cane sugar and milk sugar (lactose), with a small bump from dried strawberry powder; beet juice lends the rosy hue and oat fiber adds bulk without digestible carbs.

The label stays relatively lean—just two common helpers (xanthan gum for stability and lecithin to keep the coating smooth) plus a purposeful dose of vitamin C from ascorbic acid.

Protein
8
15
Fat
8
9
Carbs
16
20
Sugar
14
4
Calories
170
210

What are people saying?

Main praise: Fans rave about the cheesecake-like tangy center and snappy chocolate shell—a fridge treat that satisfies dessert cravings while still bringing some real protein.

Main criticism: Critics call the center dense and the yogurt tang divisive, and the 8g protein/14g sugar split won’t suit stricter macro goals.

Bottom Line

Best for dessert-swappers and afternoon pick-me-up seekers who want a sweet, creamy bite with some real protein—not a meal replacement or ultra-low-sugar bar.

9.

NuGo Nutrition

Vanilla Yogurt

NuGo Nutrition Vanilla Yogurt protein bar product photo
Product image of NuGo Nutrition Vanilla Yogurt protein bar
11g
Protein
3g
Fat
27g
Carbs
13g
Sugar
170
Calories
Allergens:Milk, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:30

What's in the Vanilla Yogurt NuGo Nutrition bar?

This bar goes soy‑first: crisped soy and added soy protein make up the base, then a vanilla yogurt‑style coating—made with dairy for flavor, not live cultures—adds the creamy finish. Macros skew light and carb‑forward at 170 calories with 27g of carbs and just 3 grams of fat, so it behaves more like quick energy than a meal replacement.

The cereal‑like bite comes from oats and rice‑tapioca crisps. A vitamin‑mineral premix boosts several essentials into meaningful Daily Value territory—an uncommon touch in a bar that tastes this dessert‑y.

Protein
11
15
Fat
3
9
Carbs
27
20
Sugar
13
4
Calories
170
210

What are people saying?

Main praise: Taste and texture steal the show—creamy vanilla shell, crunchy snap, and a clean sweetness without the sugar‑alcohol aftertaste, all in a light, snackable package.

Main criticism: Great snack, not a muscle bar: 11g protein and 13g sugar with a palm‑kernel‑oil shell that can run waxy or firm—and it’s off‑limits for vegans or anyone avoiding soy or dairy.

Bottom Line

slump if you prefer sugar over sugar alcohols and don’t need 20g of protein.

10.

TREK

Berry Burst

TREK Berry Burst protein bar product photo
Product image of TREK Berry Burst protein bar
10g
Protein
2g
Fat
29g
Carbs
25g
Sugar
177
Calories
Allergens:Soybeans
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:12

What's in the Berry Burst TREK bar?

Think trail snack first, protein bar second: dates and raisins form the base, gluten-free oats add chew, and freeze-dried raspberries bring that tart pop.

Protein comes via crisp soy pieces—light and crunchy instead of dense—while additives stay minimal, with a little tapioca starch to hold the crisps and rice starch plus natural flavorings to keep the berry notes consistent.

Macros lean toward quick energy: higher carbs and sugars, very low fat, and modest protein. The sweetness comes entirely from fruit, including apple, pear, and grape juice concentrates—flavors your tongue reads as fruit, but sugars your body absorbs quickly.

Protein
10
15
Fat
2
9
Carbs
29
20
Sugar
25
4
Calories
177
210

What are people saying?

Main praise: Reviewers love the clean, fruit-led flavor and crunchy soy texture—no artificial aftertaste, easy to grab-and-go, and reliably tasty on the move.

Main criticism: The macro math turns some shoppers off: roughly 10g of protein alongside about 25g of sugar feels more like an energy bar, with occasional notes about dryness and value.

Bottom Line

Best for pre-run or mid-hike fuel, or anyone who prefers plant-based, fruit-derived sweetness and a light, crunchy texture without sugar alcohols. Less ideal if you’re chasing 20g of protein or minimizing sugar.