Best Low Calorie Nut-Free Whey Protein Bars

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

Rankings Overview

  1. 1. Built
    Mint Brownie

    A dark‑chocolate–dipped mint brownie bar that squeezes 17g of fast‑digesting whey into just 130 calories—rare macro efficiency with a true candy‑bar finish.

  2. 2. 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.

  3. 3. MOSH
    Cookie Dough Crunch

    MOSH’s Cookie Dough Crunch is the rare cookie‑dough bar that keeps sugar to 3g, packs 12g of complete dairy protein, and even adds a labeled hit of vitamin D—all in 180 tidy calories.

  4. 4. BSN
    Vanilla Marshmallow

    A true rice-crispy–style protein bar, BSN’s Vanilla Marshmallow nails candy-bar crunch while delivering 18g of complete protein at just 180 calories.

  5. 5. Power Crunch
    Chocolate Coconut

    Wafer‑crisp protein bar, Power Crunch Chocolate Coconut pairs hydrolyzed whey peptides with a candy‑like snap—without using sugar alcohols.

  6. 6. Atlas
    Peanut Butter Chocolate Chip

    Atlas’s Peanut Butter Chocolate Chip pairs 20g of grass-fed dairy protein with just 1 gram of sugar, leaning on monk fruit and added fiber (plus a subtle ashwagandha twist) instead of syrupy sweeteners.

  7. 7. Julian Bakery
    Sweet Cream

    Four-ingredient bar that gets 20 grams of protein from organic whey and its sweetness from monk fruit—no sugar alcohols—delivering a clean, creamy chew at 210 calories.

  8. 8. Battle Bars
    Stella Blue Dark Chocolate Espresso Protein Bar

    Caffeinated protein bar, Stella Blue pairs a convincing dark‑chocolate‑espresso flavor with a reported ~100mg caffeine lift and 17g of whey‑and‑egg protein.

  9. 9. Jacob Bar
    Chocolate

    A real-food build: 20g of grass-fed dairy protein sweetened with honey and dates (no sugar alcohols) and an unusual dose of grass-fed tallow, yielding chocolate that tastes like cocoa, not candy.

  10. 10. Legion Athletics
    Peanut butter & jelly

    It nails PB&J nostalgia without peanuts or jam—almonds and natural flavors play the sandwich while a whey/milk protein trio quietly delivers 20 grams of protein.

Compare Best Low Calorie Nut-Free Whey Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Built
Mint Brownie
130171834175
Promix Nutrition
Coconut
150151734174
MOSH
Cookie Dough Crunch
1801215103215
BSN
Vanilla Marshmallow
180182462278
Power Crunch
Chocolate Coconut
2201312146235
Atlas
Peanut Butter Chocolate Chip
210201991153
Julian Bakery
Sweet Cream
21020238141
Battle Bars
Stella Blue Dark Chocolate Espresso Protein Bar
220172587264
Jacob Bar
Chocolate
22020181210140
Legion Athletics
Peanut butter & jelly
2402024129133

Under the Microscope

1.

Built

Mint Brownie

Built Mint Brownie protein bar product photo
Product image of Built Mint Brownie protein bar
17g
Protein
3g
Fat
18g
Carbs
4g
Sugar
130
Calories
Allergens:Milk, Soybeans
Diet:Gluten-Free
Total Ingredients:17

What's in the Mint Brownie Built bar?

Built’s Mint Brownie is a chocolate‑dipped whey bar built on whey protein isolate plus a partially hydrolyzed version for a softer bite and faster digestion. The mint‑brownie flavor comes from real cocoa and a dark‑chocolate coating (chocolate liquor and cocoa butter) with natural mint.

For a coated bar, the macros are unusual: very low fat and calories, protein a touch above average, and carbs driven more by refined ingredients than by oats or fruit.

To keep sugar in check and texture soft, it uses five common processing helpers—think digestion‑resistant maltodextrin (a soluble fiber refined from starch), glycerin (a plant‑derived moisture holder), and erythritol (a near‑zero‑calorie sweetener)—with a touch of soy lecithin in the chocolate for smoothness.

Net effect: a light, post‑workout‑friendly mint‑chocolate treat.

Protein
17
15
Fat
3
9
Carbs
18
20
Sugar
4
4
Calories
130
210

What are people saying?

Main praise: Mint‑chocolate that actually tastes like dessert, with a darker chocolate vibe and 17g of protein at about 130 calories—and it’s gluten‑free.

Main criticism: Texture splits the room: a sticky, taffy‑like chew with a cool sugar‑alcohol afterfeel, plus occasional batch inconsistency and potential GI grumbles.

Bottom Line

Calorie‑conscious mint‑chocolate lovers who want a light post‑workout or afternoon treat, are fine with dairy/soy/sugar alcohols, and prefer a candy‑bar style texture over a crumbly, whole‑food bar. Not ideal for vegetarians (gelatin) or anyone sensitive to erythritol‑style sweeteners.

2.

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.

3.

MOSH

Cookie Dough Crunch

MOSH Cookie Dough Crunch protein bar product photo
Product image of MOSH Cookie Dough Crunch protein bar
12g
Protein
10g
Fat
15g
Carbs
3g
Sugar
180
Calories
Allergens:Milk, Tree Nuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:21

What's in the Cookie Dough Crunch MOSH bar?

MOSH’s Cookie Dough Crunch builds its dessert‑y personality with almonds, real chocolate, and cocoa butter—the fat here comes from those ingredients rather than seed oils. Under the hood, the protein is classic dairy—whey isolate and concentrate plus grass‑fed milk protein isolate—delivering 12g in a 180‑calorie bar.

Carbs favor soluble tapioca fiber over oats or dates, aiming for modest total carbs and steadier energy. Sweetness comes from a blend of erythritol (a zero‑calorie sugar alcohol) and plant‑based sweeteners like stevia and monk fruit, with glycerin to keep the chew.

A small Brain Blend adds vitamin D and a few botanicals, and the formula relies on about five modern additives to stay low‑sugar and cohesive.

Protein
12
15
Fat
10
9
Carbs
15
20
Sugar
3
4
Calories
180
210

What are people saying?

Main praise: Soft‑chewy cookie‑dough texture with real chocolate bits, snack‑light macros (180 calories, 12g complete dairy protein, 3g sugar), and a small but real bump of vitamin D—MOSH tastes like a treat and behaves like a sensible snack.

Main criticism: Value is the sticking point for a smaller 12g‑protein bar, with some noting a sweetener aftertaste and questioning the vague, likely small doses in the Brain Blend.

Bottom Line

A light, gluten-free, low-sugar snack when you want something sweet that won’t spike you—think afternoon desk hunger or a modest pre/post‑workout bite.

4.

BSN

Vanilla Marshmallow

BSN Vanilla Marshmallow protein bar product photo
Product image of BSN Vanilla Marshmallow protein bar
18g
Protein
6g
Fat
24g
Carbs
2g
Sugar
180
Calories
Allergens:Milk, Eggs, Tree Nuts, Soybeans, Sesame
Diet:Vegetarian, Gluten-Free
Total Ingredients:27

What's in the Vanilla Marshmallow BSN bar?

BSN’s Vanilla Marshmallow Protein Crisp leans candy-bar in spirit: a crunchy, puffed-rice-style bite with a respectable protein payload and a modest calorie tag. Its backbone is a three-way blend of whey, soy (including a hydrolyzed form that’s partially broken down to mix smoothly), and a little egg white—three complete proteins working together.

Carbs skew engineered rather than whole-food, using refined starches and low-calorie sweeteners (fiber syrups and a sugar alcohol) to keep sugars to 2 grams while building that airy crisp. Fat stays modest at 6 grams, mostly from palm kernel and sunflower oils with a small almond assist.

It’s a 27-ingredient recipe with about eight functional additives, purpose-built to deliver that marshmallow-treat crunch without sending calories soaring.

Protein
18
15
Fat
6
9
Carbs
24
20
Sugar
2
4
Calories
180
210

What are people saying?

Main praise: Reviewers rave about the candy-bar taste and rice-crispy crunch, calling it one of the most satisfying textures in a high-protein bar—and the 18g/180-calorie macro pair seals the deal.

Main criticism: Some find the flavor a bit artificial and the crisp a touch dry, with a few reporting bloating if they double up—plus the price feels slightly high for the ingredient list.

Bottom Line

Reach for it when you want a post‑workout or afternoon sweet‑tooth fix that still adds meaningful protein without a heavy, sticky chew.

5.

Power Crunch

Chocolate Coconut

Power Crunch Chocolate Coconut protein bar product photo
Product image of Power Crunch Chocolate Coconut protein bar
13g
Protein
14g
Fat
12g
Carbs
6g
Sugar
220
Calories
Allergens:Milk, Wheat, Soybeans
Diet:Vegetarian
Total Ingredients:23

What's in the Chocolate Coconut Power Crunch bar?

This one reads like a classic chocolate wafer snack that just happens to bring protein along for the ride. The protein is dairy‑based—hydrolyzed whey peptides and whey isolate, plus milk protein isolate—for 13 grams of high‑quality protein.

Carbs stay modest at 12 grams because sweetness comes from small amounts of sugar and fructose, topped up with tiny pinches of stevia and monk fruit; the wafer itself is made from enriched wheat flour (a refined, B‑vitamin–fortified grain).

Most of the energy comes from fat—chiefly palm and palm kernel oils with a bit of canola—so it eats rich and satisfying. You’ll also see a handful of functional helpers (around five) to create the airy crunch and smooth chocolate vibe; the “coconut” here is from natural flavors, not actual coconut pieces.

Protein
13
15
Fat
14
9
Carbs
12
20
Sugar
6
4
Calories
220
210

What are people saying?

Main praise: Crisp wafer texture and genuinely good flavor—without chalkiness or sugar alcohols—earn this bar devoted fans and consistently high ratings.

Main criticism: It runs higher in saturated fat, very low in fiber, and only 13 grams of protein, with a stevia/monk fruit finish some taste—and the “coconut” is flavor only.

Bottom Line

Best for people who dislike dense, chewy bars and want a light, sweet snack that still brings some protein—desk afternoons, sweet‑tooth emergencies, or a pre/post‑workout nibble if 13 grams fits your plan. Not ideal if you avoid gluten or dairy, want lots of fiber, or prefer minimally processed bars.

6.

Atlas

Peanut Butter Chocolate Chip

Atlas Peanut Butter Chocolate Chip protein bar product photo
Product image of Atlas Peanut Butter Chocolate Chip protein bar
20g
Protein
9g
Fat
19g
Carbs
1g
Sugar
210
Calories
Allergens:Milk, Coconuts, Peanuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:15

What's in the Peanut Butter Chocolate Chip Atlas bar?

This bar is built around a grass-fed dairy blend—whey isolate and concentrate plus milk protein isolate—boosted with whey crisps for texture.

Peanut butter and real chocolate carry the classic flavor, while a short list of refined helpers keeps it soft and lightly sweet at just 1 gram of sugar: soluble vegetable fiber (a refined starch derivative that adds bulk), vegetable glycerin (a plant-based syrup that holds moisture), and monk fruit (a concentrated plant extract), with a touch of sunflower lecithin in the chocolate.

You get 20 grams of protein, moderate fat from peanuts with structure from coconut oil and cocoa butter, and carbs that lean heavily on added fiber for steadier energy than syrup-based bars.

It reads protein-first, not candy-bar-first.

Protein
20
15
Fat
9
9
Carbs
19
20
Sugar
1
4
Calories
210
210

What are people saying?

Main praise: Reviewers love the macro math—20g of protein with barely any sugar—in a peanut-butter-forward bar that tastes satisfying (some say cookie-like when warmed) and reads cleaner than syrup-heavy competitors thanks to grass-fed whey and monk fruit.

Main criticism: Texture divides the crowd—some find it sandy or a bit oily and a few notice monk fruit’s aftertaste—while the ashwagandha add-on and higher-than-average price don’t win everyone over.

Bottom Line

Choose this if you want a keto‑leaning, gluten‑free, dairy‑based bar that keeps sugar very low without erythritol or maltitol, and you’re okay with ashwagandha in the mix.

7.

Julian Bakery

Sweet Cream

Julian Bakery Sweet Cream protein bar product photo
Product image of Julian Bakery Sweet Cream protein bar
20g
Protein
8g
Fat
23g
Carbs
1g
Sugar
210
Calories
Allergens:Milk
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:4

What's in the Sweet Cream Julian Bakery bar?

Julian Bakery’s Sweet Cream keeps the label startlingly short: four ingredients, a dairy-forward flavor, and 20 grams of protein from organic whey. The carbs look higher than you’d expect because the bar leans on a tapioca-derived soluble dextrin fiber to hold shape rather than flour or sugar.

Fat sits squarely in the middle thanks to organic sunflower butter—mostly unsaturated and pleasantly filling. Sweetness comes from monk fruit extract, so sugar stays at 1 gram and calories land at 210, with most energy coming from protein and fats.

No sugar alcohols, emulsifiers, or artificial flavors in sight.

Protein
20
15
Fat
8
9
Carbs
23
20
Sugar
1
4
Calories
210
210

What are people saying?

Main praise: Fans praise the clean, restrained sweetness and no–sugar-alcohol formula that still delivers 20 grams of protein at 210 calories, with a mild, creamy flavor that satisfies without pretending to be candy.

Main criticism: The texture can run tough or taffy-like—especially when cold—and monk fruit’s taste divides opinion, with occasional batch-to-batch consistency complaints.

Bottom Line

Choose this if you want a high-protein, keto-leaning, gluten-free snack with gentle sweetness and a short label. Best after the gym or between meals when you want satiety without a sugar rush—and you don’t mind a chewy texture.

8.

Battle Bars

Stella Blue Dark Chocolate Espresso Protein Bar

Battle Bars Stella Blue Dark Chocolate Espresso Protein Bar protein bar product photo
Product image of Battle Bars Stella Blue Dark Chocolate Espresso Protein Bar protein bar
17g
Protein
8g
Fat
25g
Carbs
7g
Sugar
220
Calories
Allergens:Milk, Eggs, Coconuts
Diet:Gluten-Free
Total Ingredients:26

What's in the Stella Blue Dark Chocolate Espresso Battle Bars bar?

Meet Battle Bars’ Stella Blue Dark Chocolate Espresso: a whey‑forward bar with egg white and a hint of collagen, flavored with real brewed coffee and dark chocolate. It eats like a mocha in bar form, thanks to alkalized cocoa and vanilla.

At 220 calories you get 17g protein, 25g carbs, and 8g fat, with moderate fat coming from coconut, sunflower, and palm‑kernel oils. Only 7g of the sweetness is actual sugar—the rest leans on fiber syrups and sugar alcohols.

The label runs to 26 ingredients and uses four modern additives to deliver a candy‑bar texture with less sugar.

Protein
17
15
Fat
8
9
Carbs
25
20
Sugar
7
4
Calories
220
210

What are people saying?

Main praise: Flavor steals the show: a clean, roasty chocolate‑espresso profile that tastes “real,” with a crisp‑leaning bite and a useful caffeine kick.

Main criticism: Consistency is the knock—some bars chew dense and the coating softens in heat—and a few buyers balk at the price and the sugar‑alcohol/fiber combo.

Bottom Line

Coffee lovers who want protein plus a pick‑me‑up for the afternoon slump or pre‑workout. Skip it late at night, and avoid if you’re steering clear of dairy, egg, coconut, or sugar alcohols.

9.

Jacob Bar

Chocolate

Jacob Bar Chocolate protein bar product photo
Product image of Jacob Bar Chocolate protein bar
20g
Protein
12g
Fat
18g
Carbs
10g
Sugar
220
Calories
Allergens:Milk, Tree Nuts
Diet:Gluten-Free
Total Ingredients:14

What's in the Chocolate Jacob Bar bar?

Jacob Bar Chocolate builds its 20g of protein from a grass-fed dairy blend—whey protein isolate and milk protein isolate—plus a touch of bovine collagen. Sweetness is straightforward: organic honey and dates, with soluble tapioca fiber (refined from the cassava root) for chew and to take the edge off a sugar swing.

Fat comes from organic almond butter and grass-fed beef tallow, with a little cocoa butter from the chocolate. The flavor leans real-cocoa—cacao powder, unsweetened chocolate, and chocolate extract—rounded by vanilla and sea salt.

The label stays short and familiar—no sugar alcohols, emulsifiers, or artificial sweeteners—at 220 calories and about 10g of sugar.

Protein
20
15
Fat
12
9
Carbs
18
20
Sugar
10
4
Calories
220
210

What are people saying?

Main praise: Reviewers love the honest ingredient list and cocoa-forward taste—no sugar alcohol aftertaste—paired with a satisfying 20g of complete dairy protein.

Main criticism: It’s pricey, the chewy texture can stick to teeth, and warm bars sometimes show a tallow aroma or oily wrapper, with a few reports of batch variability.

Bottom Line

Choose it when you want a clean‑ingredient, dairy‑based 20g protein snack and can handle 10g of natural sugar; great post‑workout or as an afternoon bridge if you prefer chewy over candy‑sweet.

Other Flavors

10.

Legion Athletics

Peanut butter & jelly

Legion Athletics Peanut butter & jelly protein bar product photo
Product image of Legion Athletics Peanut butter & jelly protein bar
20g
Protein
12g
Fat
24g
Carbs
9g
Sugar
240
Calories
Allergens:Milk, Tree Nuts
Diet:Vegetarian, Gluten-Free
Total Ingredients:13

What's in the Peanut butter & jelly Legion Athletics bar?

Legion Athletics builds this PB&J riff on a trio of dairy proteins—whey concentrate, whey isolate, and milk protein isolate—so you actually get 20 grams of high-quality protein. Carbs run a bit higher, but many come from prebiotic fibers refined from chicory root and cassava; cassava/tapioca also give the bar its chew.

Fat comes mostly from almonds and sunflower, so think primarily unsaturated, with a creamy, nutty backdrop. Sweetness leans on stevia and monk fruit, plus a touch of erythritol for body, which keeps the label at 9 grams of sugar without a syrupy jam.

Protein
20
15
Fat
12
9
Carbs
24
20
Sugar
9
4
Calories
240
210

What are people saying?

Main praise: Reviewers love the spot-on PB&J flavor and the staying power—20 grams of protein plus meaningful fiber that actually keeps you full.

Main criticism: Texture can swing dense-to-hard, the sweetener blend isn’t for everyone, and the price sits above the bargain tier.

Bottom Line

Best for a filling, gluten-free, high-protein snack after a workout or as a late-afternoon holdover when you want dessert-adjacent flavor without a big blood-sugar swing.