Best Low Calorie Wheat-Free Whey Protein Bars

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

Rankings Overview

  1. 1. Built
    Peanut Butter

    Built Peanut Butter is a rare combo: 17g of fast-digesting whey‑isolate protein in just 140 calories, wrapped in a real dark‑chocolate shell.

  2. 2. Promix Nutrition
    Peach

    A cereal‑treat crisp bar that skips artificial sweeteners yet still packs 15g of whey‑led protein in just 140 calories.

  3. 3. MOSH
    Lemon White Chocolate Crunch

    A zesty lemon–white chocolate whey bar that pairs dessert-level flavor with a supplement-style Brain Blend (citicoline, lion’s mane, D3, ashwagandha) at just 180 calories.

  4. 4. Mosh
    Peanut Butter Crunch

    Combo: real peanut crunch, a high-quality whey blend, and just 170 calories—plus a quiet “Brain Blend” that doesn’t hijack the macros.

  5. 5. 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.

  6. 6. FITCRUNCH
    Apple Pie

    A layered, candy-bar-style apple pie bar that actually tastes like dessert while delivering 16g of whey-based protein in 210 calories.

  7. 7. GNC Total Lean
    Coconut Caramel

    It’s the rare under‑200‑calorie bar that nails candy‑bar flavor while delivering 16 grams of protein—just don’t expect real coconut in “Coconut Caramel.”

  8. 8. 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.

  9. 9. Love Good Fats
    Chewy Nutty White Chocolatey Strawberry

    A fat-forward, low-sugar dessert bar that really leans into white-chocolate strawberry shortcake—real berry bits, 13g of fats for staying power, and a modest 8g of protein.

  10. 10. Alani Nu
    Peanut Butter & Jelly

    Alani Nu’s Fit Snacks Peanut Butter & Jelly is the rare protein bar that truly eats like candy—a nostalgic peanut-coated PB&J (no actual fruit) with 15 grams of protein at 220 calories.

Compare Best Low Calorie Wheat-Free Whey Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Built
Peanut Butter
140171744205
Promix Nutrition
Peach
140151734206
MOSH
Lemon White Chocolate Crunch
1801216103236
Mosh
Peanut Butter Crunch
170121891194
BSN
Vanilla Marshmallow
180182462278
FITCRUNCH
Apple Pie
21016141035017
GNC Total Lean
Coconut Caramel
19016141053612
Pure Protein
Chocolate Peanut Butter
200201772225
Love Good Fats
Chewy Nutty White Chocolatey Strawberry
190818132248
Alani Nu
Peanut Butter & Jelly
2201521911294

Under the Microscope

1.

Built

Peanut Butter

Built Peanut Butter protein bar product photo
Product image of Built Peanut Butter protein bar
17g
Protein
4g
Fat
17g
Carbs
4g
Sugar
140
Calories
Allergens:Milk, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:20

What's in the Peanut Butter Built bar?

Built’s Peanut Butter bar plays the greatest hit—peanut butter and dark chocolate—but builds it on whey protein isolate, including a partially hydrolyzed form that’s easy to absorb. The macros are deliberately light, with modest fat, 17g of protein, and carbs that lean more on refined fiber and modern sweeteners than sugar.

You’ll also find five common additives doing practical jobs like softening texture and supplying sweetness without a big sugar load. It’s intentionally more “engineered treat” than “minimal‑ingredient” snack, aiming for steady energy and dessert appeal in one swipe.

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

What are people saying?

Main praise: Fans love the efficiency—17g of whey‑isolate protein for 140 calories—with a candy‑adjacent peanut‑butter‑cup flavor and a real dark‑chocolate coating.

Main criticism: The chewy, tooth‑coating texture and sweetener aftertaste turn some people off, and the sugar‑alcohol/fiber blend can bother sensitive stomachs.

Bottom Line

A dessert‑leaning protein hit after a workout or between meals—best if you tolerate sugar alcohols and want strong protein‑per‑calorie.

2.

Promix Nutrition

Peach

Promix Nutrition Peach protein bar product photo
Product image of Promix Nutrition Peach protein bar
15g
Protein
3g
Fat
17g
Carbs
4g
Sugar
140
Calories
Allergens:Milk, Eggs, Coconuts
Diet:Vegetarian, Gluten-Free
Total Ingredients:20

What's in the Peach Promix Nutrition bar?

Promix Nutrition’s Peach Protein Bar keeps things light and bright: 15g of whey‑led protein (isolate + concentrate, with a little egg white), only 140 calories, and a clean fruit note from real peach with a touch of apple.

The puffed texture is held together with cassava‑based tapioca starch and syrup—refined carbs that digest faster than oats—tempered by added soluble fiber so the energy feels steadier. Fat stays low at 3g, used mostly to keep the puffs cohesive rather than to drive calories.

You’ll also see six functional helpers (think an emulsifier, a moisture‑holder, a gentle gelling agent, and flavor‑protecting acids) that help the bar hold its shape without resorting to artificial sweeteners.

Protein
15
15
Fat
3
9
Carbs
17
20
Sugar
4
4
Calories
140
210

What are people saying?

Main praise: Fans rave about the cereal‑treat crunch and bright, real‑peach flavor, plus the clean finish that comes from skipping artificial sweeteners.

Main criticism: Critics say it eats drier and denser than a gooey rice‑crispy square, with occasional coconut/protein notes and refined binders that digest faster and can bother sensitive stomachs.

Bottom Line

Best for a pre‑ or post‑workout bump or an afternoon pick‑me‑up when “not too sweet” is the goal. Ideal for gluten‑free eaters who are fine with dairy and eggs and want a light, fruity bar rather than a dense meal replacement.

3.

MOSH

Lemon White Chocolate Crunch

MOSH Lemon White Chocolate Crunch protein bar product photo
Product image of MOSH Lemon White Chocolate Crunch protein bar
12g
Protein
10g
Fat
16g
Carbs
3g
Sugar
180
Calories
Allergens:Milk, Tree Nuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:23

What's in the Lemon White Chocolate Crunch MOSH bar?

MOSH’s Lemon White Chocolate Crunch is built on a whey-forward dairy blend, with almonds for crunch and a white-chocolate base from cocoa butter, whole milk, and cream. The lemon pop comes from natural flavors plus a pinch of citric acid, and most of the sweetness is achieved without much sugar.

Carbs lean on soluble tapioca fiber—a refined resistant dextrin that behaves more like fiber than table sugar—plus low- or no-calorie sweeteners; a short list of about six functional helpers (fiber, a sugar alcohol, lecithin, acidity control) keeps texture tidy and shelf-stable.

The label also tucks in a small Brain Blend of vitamin D3, citicoline, lion’s mane, B12, and ashwagandha—interesting, though doses aren’t disclosed. Net result: moderate protein, notable creaminess, and a fairly light 180 calories for something that reads as dessert.

Protein
12
15
Fat
10
9
Carbs
16
20
Sugar
3
4
Calories
180
210

What are people saying?

Main praise: The lemon flavor and creamy–crunchy texture win people over, delivering a tidy, low-sugar whey snack with balanced macros that’s easy to enjoy on the go.

Main criticism: Price for the protein, skepticism about the Brain Blend’s undisclosed doses, and occasional sweetener aftertaste or GI fuss are the main knocks.

Bottom Line

A lighter, gluten-free afternoon snack for lemon dessert lovers who want quality whey protein and low sugar—more treat-with-benefits than post-deadlift meal. Contains milk and almonds.

4.

Mosh

Peanut Butter Crunch

Mosh Peanut Butter Crunch protein bar product photo
Product image of Mosh Peanut Butter Crunch protein bar
12g
Protein
9g
Fat
18g
Carbs
1g
Sugar
170
Calories
Allergens:Milk, Peanuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:19

What's in the Peanut Butter Crunch Mosh bar?

Mosh’s Peanut Butter Crunch leans on dairy proteins—whey isolate, whey concentrate, and milk protein isolate—anchored by real peanuts for flavor and texture. It’s a trim 170-calorie bar with just 1 gram of sugar; sweetness comes from stevia and monk fruit rather than syrups.

Carbs are “engineered clean”: a refined, resistant tapioca fiber provides most of the bulk, with a little tapioca starch and plant-derived glycerin to keep the bar soft and cohesive. Fats land in the middle and are mostly peanut, with a touch of cocoa butter for creaminess.

Beyond that, you’ll spot a small Brain Blend and four functional add-ins—fiber to bulk and bind, glycerin to retain moisture, sunflower lecithin to emulsify, and stevia/monk fruit to sweeten—used for texture and stability rather than to goose the macros.

Protein
12
15
Fat
9
9
Carbs
18
20
Sugar
1
4
Calories
170
210

What are people saying?

Main praise: Fans love the steady, snack-size energy, real peanut crunch, and smooth whey blend—balanced and not syrupy, with a SELF Pantry Award to boot.

Main criticism: It can feel pricey for 12g of protein, some find the texture dry with a sweetener aftertaste, and the Brain Blend’s impact isn’t clearly disclosed.

Bottom Line

Snackers who want a not-too-sweet, gluten-free, peanutty bite between meals or pre‑workout and prefer dairy protein. Less ideal if your target is a 20g protein bar.

5.

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.

6.

FITCRUNCH

Apple Pie

FITCRUNCH Apple Pie protein bar product photo
Product image of FITCRUNCH Apple Pie protein bar
16g
Protein
10g
Fat
14g
Carbs
3g
Sugar
210
Calories
Allergens:Milk, Tree Nuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:50

What's in the Apple Pie FITCRUNCH bar?

FITCRUNCH Apple Pie centers on a whey-forward blend that packs 16g of protein into a layered, candy-bar-style bite.

Carbs land at 14g and sugar at 3g because sweetness leans on sugar alcohols and glycerin rather than fruit or oats, while fat is a bit higher at 10g from palm-based oils that give those layers structure.

The apple-pie profile comes from cinnamon, brown sugar, molasses, vanilla, and natural flavors—nostalgic, even without visible apple pieces. It’s also one of the more engineered options here, with roughly 50 ingredients and 17 functional additives to keep the texture soft, cohesive, and shelf-stable.

Protein
16
15
Fat
10
9
Carbs
14
20
Sugar
3
4
Calories
210
210

What are people saying?

Main praise: Flavor steals the show: reviewers say it eats like a candy bar with cozy apple-pie spice, pairing a crisp shell and soft layers with macros that feel like a treat-with-benefits.

Main criticism: The sweetener strategy and processing draw fire—sugar alcohols and glycerin can cause GI rumbling, the label is long and palm-oil-heavy, and 16g protein with low fiber reads more dessert than training fuel.

Bottom Line

Best for sweet‑tooth moments when you want real dessert vibes with a meaningful protein bump—post‑workout, afternoon slump, or a candy‑bar swap. Skip it if you’re sensitive to sugar alcohols, strictly vegetarian (it contains gelatin), or avoiding peanuts/soy.

7.

GNC Total Lean

Coconut Caramel

GNC Total Lean Coconut Caramel protein bar product photo
Product image of GNC Total Lean Coconut Caramel protein bar
16g
Protein
10g
Fat
14g
Carbs
5g
Sugar
190
Calories
Allergens:Milk, Tree Nuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:36

What's in the Coconut Caramel GNC Total Lean bar?

This soy‑led bar backs its 16 grams of protein with whey, casein, and a touch of collagen, all tucked into a 190‑calorie package.

Carbs stay modest for the category by leaning on refined sweeteners rather than oats or fruit, and the fat structure comes mostly from confectionery oils like palm and palm kernel, supported by sunflower/soy oils and a little nut content.

The ingredient list is long—about 26 items with roughly a dozen functional additives (emulsifiers, sweeteners, preservatives)—which is how it achieves that candy‑bar texture. Fun twist: despite the name, there’s no coconut listed; the flavor is built from chocolate, natural flavors, and sweetener blends.

Protein
16
15
Fat
10
9
Carbs
14
20
Sugar
5
4
Calories
190
210

What are people saying?

Main praise: Sweet‑tooth approved: a convincingly candy‑bar taste and texture that delivers 16 grams of protein and real between‑meal satiety at 190 calories.

Main criticism: A few tasters pick up a sweetener aftertaste and question the “lean” label given the palm‑oil base, and the chocolatey coating softens in heat.

Bottom Line

Choose this bar if you want a sweet, satiating afternoon snack or post‑workout treat that actually tastes like dessert, you’re cool with processed sweeteners, and you prefer gluten‑free. Skip it if sugar alcohols, soy/dairy/collagen, or longer labels are deal‑breakers.

8.

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.

9.

Love Good Fats

Chewy Nutty White Chocolatey Strawberry

Love Good Fats Chewy Nutty White Chocolatey Strawberry protein bar product photo
Product image of Love Good Fats Chewy Nutty White Chocolatey Strawberry protein bar
8g
Protein
13g
Fat
18g
Carbs
2g
Sugar
190
Calories
Allergens:Milk, Tree Nuts, Coconuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:24

What's in the Chewy Nutty White Chocolatey Strawberry Love Good Fats bar?

Love Good Fats’ Chewy Nutty White Chocolatey Strawberry leans dessert-first: dry-roasted almonds and cashews underneath, a white-chocolate-style coating with real freeze-dried strawberry on top. Protein comes from milk protein isolate plus crunchy fava-bean crisps, totaling a snack-size 8g, while carbs favor added fibers over sugar.

At 190 calories with 13g of fat and just 2g of sugar, it’s built for keto-style, fat-forward energy rather than a bulk-protein hit.

To pull off the creamy coat and low-sugar sweetness, the recipe uses roughly eight functional add-ons within a longer, about two-dozen-ingredient list—think refined fibers (to add bulk and gentle sweetness), glycerin (to hold moisture), and an emulsifier so the coating sets smoothly.

Protein
8
15
Fat
13
9
Carbs
18
20
Sugar
2
4
Calories
190
210

What are people saying?

Main praise: Fans say it tastes like a candy bar without the crash—nutty chew, creamy white-chocolate strawberry flavor, and 2g of sugar sweetened mostly by stevia and fiber rather than harsh sugar alcohols.

Main criticism: Critics report a dry, slightly chalky bite and a faint stevia aftertaste, with some stomach sensitivity to the chicory and corn fibers and skepticism from strict keto dieters about net-carb math.

Bottom Line

Best as a low‑carb, sweet‑tooth tamer or afternoon pick‑me‑up. Not ideal if you’re chasing a 20‑gram post‑workout protein hit.

10.

Alani Nu

Peanut Butter & Jelly

Alani Nu Peanut Butter & Jelly protein bar product photo
Product image of Alani Nu Peanut Butter & Jelly protein bar
15g
Protein
9g
Fat
21g
Carbs
11g
Sugar
220
Calories
Allergens:Milk, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:29

What's in the Peanut Butter & Jelly Alani Nu bar?

Peanut Butter & Jelly, reimagined as a protein bar: Alani Nu builds the PB with peanut butter, peanut flour, and actual peanuts, then suggests the jelly through sugar, sweetened condensed milk, and flavoring—no fruit in the mix.

The protein backbone leans on soy protein isolate with help from whey and milk proteins, plus a touch of hydrolyzed collagen for chew. Macros land right around category averages for protein, carbs, fat, and calories.

Thanks to the candy-style peanut coating, the sweetness sits a notch higher than many oats-and-nuts bars.

Protein
15
15
Fat
9
9
Carbs
21
20
Sugar
11
4
Calories
220
210

What are people saying?

Main praise: Fans say it nails a dessert-level PB&J flavor and a satisfying coated-bar texture, making it an easy candy swap that still delivers 15 grams of protein.

Main criticism: The knocks: batch-to-batch hardness, very sweet and processed sweeteners that can upset some stomachs, and a palm-oil-and-collagen formula that won’t suit ingredient minimalists or vegetarians.

Bottom Line

Best for sweet-tooth moments—an afternoon craving or post‑workout treat—when you want a dessert-y bite with 15 grams of protein and you’re fine with processed sweeteners and common allergens.