Best Low Fat Nut-Free Whey Protein Bars

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

Rankings Overview

  1. 1. Promix Nutrition
    Matcha

    Matcha bar built on crisped whey protein puffs, it delivers cereal‑bar crunch with 15g protein for 140 calories—without artificial sweeteners.

  2. 2. Built
    Peanut Butter Brownie

    Built’s Peanut Butter Brownie pairs a real dark‑chocolate shell with 19g of low‑lactose whey isolate in just 180 calories—and a signature sticky, nougat‑dense chew that splits the room.

  3. 3. Quaker
    Peanut Butter & Chocolate

    A mainstream granola bar that keeps the nostalgic peanut–chocolate crunch yet adds 10g of complete whey protein at just 160 calories—no high‑intensity sweeteners required.

  4. 4. Battle Bars
    Strawberry Protein Bar

    A strawberry‑shortcake profile under a white‑chocolate shell that delivers 16 grams of fast‑digesting whey—without the sucralose aftertaste most “candy‑clone” bars lean on.

  5. 5. Julian Bakery
    Dark Chocolate

    Plant-protein bar that pairs 20 grams of pea protein with just 1 gram of sugar and no sugar alcohols—held together by a single tapioca-derived fiber that gives it its signature chewy, dark‑chocolate bite.

  6. 6. Alani Nu
    Rocky Road

    A candy-bar Rocky Road, complete with chocolate shell, marshmallow-like cream, and almond crunch, that still delivers 17g of mostly dairy protein at just 200 calories.

  7. 7. Atlas
    Dark Chocolate Almond

    It’s the rare chocolate‑almond bar that packs 20g grass‑fed whey and just 1g sugar, skips erythritol/maltitol, and even adds a pinch of KSM‑66 ashwagandha.

  8. 8. 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.

  9. 9. 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.

  10. 10. Gatorade
    Chocolate Caramel

    A true candy-bar experience - gooey caramel and chocolate - paired with 20 grams of whey and no artificial sweeteners.

Compare Best Low Fat Nut-Free Whey Protein Bars

BarFatProteinCarbsCaloriesSugarIngredientsAdditives
Promix Nutrition
Matcha
215181404184
Built
Peanut Butter Brownie
319211805225
Quaker
Peanut Butter & Chocolate
5102016084810
Battle Bars
Strawberry Protein Bar
516262107203
Julian Bakery
Dark Chocolate
72024190151
Alani Nu
Rocky Road
917172006407
Atlas
Dark Chocolate Almond
1020182101173
MOSH
Peanut Chocolate Chip
911171703215
Mosh
Peanut Butter Crunch
912181701194
Gatorade
Chocolate Caramel
10204333028347

Under the Microscope

1.

Promix Nutrition

Matcha

Promix Nutrition Matcha protein bar product photo
Product image of Promix Nutrition Matcha protein bar
15g
Protein
2g
Fat
18g
Carbs
4g
Sugar
140
Calories
Allergens:Milk, Eggs, Coconuts
Diet:Vegetarian, Gluten-Free
Total Ingredients:18

What's in the Matcha Promix Nutrition bar?

Promix Nutrition’s Matcha Protein Bar swaps the usual sticky base for whey protein puffs—light, crispy pieces made from whey isolate and concentrate—held together with a cassava‑based marshmallow. You get 15g of complete dairy protein, 18g carbs that come mostly from cassava‑derived syrup and starch balanced with some soluble fiber, and just 2g fat in a 140‑calorie bar.

The sweetness and chew come from refined but familiar tools—tapioca syrup, plant‑derived glycerin, and chicory/tapioca fibers—used to keep sugar modest without resorting to artificial sweeteners. Japanese matcha and vanilla bring a gentle green‑tea flavor (plus a mild caffeine nudge), while a touch of coconut oil helps the bar set.

A short list of texture helpers—agar (a seaweed gel) and sunflower lecithin (an emulsifier)—keeps the puffy structure intact.

Protein
15
15
Fat
2
9
Carbs
18
20
Sugar
4
4
Calories
140
210

What are people saying?

Main praise: Fans love the grown‑up cereal‑treat crunch, the restrained sweetness without artificial sweeteners, and the tidy 15g of protein in 140 calories.

Main criticism: Texture skews drier and firmer than puffed‑rice nostalgia, and the chicory fiber plus a hint of coconut won’t suit every stomach or palate.

Bottom Line

Reach for it as a light pre‑workout or afternoon pick‑me‑up when you want crunch over goo, subtle sweetness over frosting, and a gluten‑free option; skip it if you avoid dairy, eggs, or coconut.

2.

Built

Peanut Butter Brownie

Built Peanut Butter Brownie protein bar product photo
Product image of Built Peanut Butter Brownie protein bar
19g
Protein
3g
Fat
21g
Carbs
5g
Sugar
180
Calories
Allergens:Milk, Tree Nuts, Coconuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:22

What's in the Peanut Butter Brownie Built bar?

Peanut Butter Brownie keeps its promise: roasted peanuts and peanut butter for depth, cocoa powder and a dark‑chocolate coating for the brownie moment. The protein engine is a whey isolate blend (including a partially hydrolyzed isolate) that’s fast‑digesting and typically easier on lactose.

Sweetness and chew come from a small toolkit of five functional additives—resistant maltodextrin (a refined fiber), erythritol (a low‑calorie sugar alcohol), and glycerin (a plant‑derived syrup)—plus a couple of standard helpers to keep the chocolate glossy and the bar cohesive.

Big picture: calories and fat land on the lighter side, carbs sit mid‑range, and most of the sugar you taste rides in with the chocolate rather than a syrupy base.

Protein
19
15
Fat
3
9
Carbs
21
20
Sugar
5
4
Calories
180
210

What are people saying?

Main praise: It tastes like a real chocolate‑peanut treat while delivering 19g of protein at 180 calories on a low‑lactose whey isolate base.

Main criticism: The texture is taffy‑like and tooth‑sticking, with a noticeable sweetener aftertaste and a more processed ingredient list than whole‑food bars.

Bottom Line

Reach for it when you want a dessert‑leaning, high‑protein snack after the gym or mid‑afternoon—and you don’t mind a dense, sticky texture or the use of sugar alcohols.

3.

Quaker

Peanut Butter & Chocolate

Quaker Peanut Butter & Chocolate protein bar product photo
Product image of Quaker Peanut Butter & Chocolate protein bar
10g
Protein
5g
Fat
20g
Carbs
8g
Sugar
160
Calories
Allergens:Milk, Peanuts, Wheat, Soybeans
Diet:Vegetarian
Total Ingredients:48

What's in the Peanut Butter & Chocolate Quaker bar?

Quaker’s Peanut Butter & Chocolate Protein Bar thinks cereal bar first, protein bar second: oats and whole wheat bound into a granola base, studded with whey crisps, then finished with a cocoa coating and peanutty bits.

The protein is dairy‑based—mostly whey with a touch of milk protein concentrate—delivering 10 grams in a light 160‑calorie bar. Sweetness leans familiar rather than “diet”: cane sugar and corn‑derived syrups supply the flavor, while chicory root fiber adds some soluble fiber and body.

Expect a longer ingredient list typical of coated granola snacks (roughly ten functional additives), including softeners like glycerin and a small amount of sorbitol to keep it chewy.

Protein
10
15
Fat
5
9
Carbs
20
20
Sugar
8
4
Calories
160
210

What are people saying?

Main praise: Tastes like the classic Quaker granola bar—peanut butter, chocolate, and cereal‑style crunch—while sneaking in a straightforward 10 grams of protein at an approachable price.

Main criticism: Some find the texture waxy or mealy, the 10 grams of protein underpowered for serious training, and the processed coating/syrups (plus a little sorbitol) a turnoff, with a few shoppers still cautious after past recalls.

Bottom Line

School bags, pre‑practice or pre‑meeting snacks, and anyone who wants a tasty granola bar with a meaningful protein bump—not a heavy meal replacement or a strict low‑carb pick.

Other Flavors

4.

Battle Bars

Strawberry Protein Bar

Battle Bars Strawberry Protein Bar protein bar product photo
Product image of Battle Bars Strawberry Protein Bar protein bar
16g
Protein
5g
Fat
26g
Carbs
7g
Sugar
210
Calories
Allergens:Milk, Eggs, Coconuts
Diet:Vegetarian, Gluten-Free
Total Ingredients:20

What's in the Strawberry Battle Bars bar?

Strawberries-and-cream on the outside, whey-forward on the inside, Battle Bars Strawberry wraps a white‑chocolate coating around a crispy core built mostly from whey (concentrate and isolate) with egg whites and a touch of collagen.

You get 16 grams of fast‑digesting protein and a small calcium bump from the dairy—nice for a dessert‑leaning bar.

Carbs skew higher here: tapioca syrup and the white‑chocolate shell give quick energy, while soluble corn fiber (refined from corn starch), erythritol (a sugar alcohol), and glycerin (a plant‑based syrup) keep sweetness and softness in line without sending sugar grams soaring.

Fat stays modest and mostly saturated because the coating relies on palm‑kernel and coconut oils, and the strawberry note comes from real pieces supported by natural flavors.

Protein
16
15
Fat
5
9
Carbs
26
20
Sugar
7
4
Calories
210
210

What are people saying?

Main praise: Flavor leads: reviewers consistently praise the strawberry‑shortcake taste and crisp as a standout that delivers protein without a fake aftertaste.

Main criticism: Texture divides opinion—some find it denser with a slightly waxy coating—and the higher refined carbs plus erythritol won’t suit every stomach.

Bottom Line

Sweet-tooth pre‑workout or afternoon pick‑me‑up for dairy‑friendly, gluten‑free eaters who like a crispy, candy‑adjacent bar more than nut‑butter bricks.

5.

Julian Bakery

Dark Chocolate

Julian Bakery Dark Chocolate protein bar product photo
Product image of Julian Bakery Dark Chocolate protein bar
20g
Protein
7g
Fat
24g
Carbs
1g
Sugar
190
Calories
Allergens:None
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:5

What's in the Dark Chocolate Julian Bakery bar?

Julian Bakery’s Dark Chocolate keeps things tight: plant-based protein from pea protein isolate, dark cocoa for flavor, and sweetness from monk fruit instead of sugar. Texture comes from a tapioca‑derived soluble fiber—its one functional additive—refined from cassava to create chew while contributing far fewer digestible carbs than flour or syrups.

Organic sunflower seed butter brings a gentle lift of unsaturated fats and a creamy backbone. The headline reads clean and clear: 20 grams of protein, 190 calories, and sugar turned down to a whisper.

You’ll see higher total carbs than some bars, but here much of that number is fiber doing structural work rather than quick energy.

Protein
20
15
Fat
7
9
Carbs
24
20
Sugar
1
4
Calories
190
210

What are people saying?

Main praise: Fans love the efficient macros and restraint—20 grams of protein at 190 calories, low sugar without sugar alcohols, a short ingredient list—and say the darker chocolate profile is satisfying, especially once the bar softens a touch.

Main criticism: The knock is texture: it can be taffy‑firm (even hard when cold), with occasional monk‑fruit aftertaste and batch‑to‑batch inconsistency, and the processed fiber can bother sensitive stomachs.

Bottom Line

Carb‑conscious, dairy‑free eaters who want a not‑too‑sweet protein hit and don’t mind a very chewy texture. Ideal as a post‑workout refuel or a mid‑afternoon hold‑you‑over snack.

6.

Alani Nu

Rocky Road

Alani Nu Rocky Road protein bar product photo
Product image of Alani Nu Rocky Road protein bar
17g
Protein
9g
Fat
17g
Carbs
6g
Sugar
200
Calories
Allergens:Milk, Tree Nuts, Peanuts, Soybeans
Diet:Gluten-Free
Total Ingredients:40

What's in the Rocky Road Alani Nu bar?

This is Rocky Road reimagined for the protein aisle: chocolate-style coatings, a vanilla-cream “marshmallow” layer, and almond crunch over a dairy-forward base. The protein is primarily whey and milk, with soy lending support and a touch of collagen for chew.

Carbs skew more refined than whole-food, with sweetness balanced by a blend of sugar, sugar alcohols, and a tiny bit of sucralose. Fat sits in the middle, driven by palm kernel oil in the coatings and rounded out by naturally unsaturated fats from nuts.

Big picture: a taste-first, engineered bar that reads snack, not meal replacement.

Protein
17
15
Fat
9
9
Carbs
17
20
Sugar
6
4
Calories
200
210

What are people saying?

Main praise: Reviewers rave that it tastes like a genuine candy bar—crisp, creamy, and chocolatey—yet still delivers 17g of protein in a 200-calorie, gluten-free snack.

Main criticism: Texture can be inconsistent (some bars arrive dry or hard), and the processed sweetener blend—maltitol plus a touch of sucralose—along with multiple allergens turns off purists and sensitive stomachs.

Bottom Line

lull when you want dessert energy with a real protein payoff and don’t mind a more engineered ingredient list.

7.

Atlas

Dark Chocolate Almond

Atlas Dark Chocolate Almond protein bar product photo
Product image of Atlas Dark Chocolate Almond protein bar
20g
Protein
10g
Fat
18g
Carbs
1g
Sugar
210
Calories
Allergens:Milk, Tree Nuts, Coconuts
Diet:Keto, Paleo, Vegetarian, Gluten-Free
Total Ingredients:17

What's in the Dark Chocolate Almond Atlas bar?

Atlas’s Dark Chocolate Almond bar uses a grass‑fed dairy blend—whey isolate/concentrate plus milk protein isolate—for 20g of complete protein. The chocolate‑almond profile comes from real cocoa, cocoa butter, and almond butter, so the flavor reads more cocoa than frosting.

Carbs sit mid‑range, but most come from refined soluble fiber and a touch of glycerin instead of sugar, which helps keep energy steadier. At 210 calories and 1g sugar, sweetness is driven by monk fruit.

The add‑ins are the usual low‑sugar bar toolkit—soluble fiber for bulk, a little glycerin for softness, sunflower lecithin to help fats blend, and a pinch of KSM‑66 ashwagandha.

Protein
20
15
Fat
10
9
Carbs
18
20
Sugar
1
4
Calories
210
210

What are people saying?

Main praise: Fans love the macro-to-ingredient balance—20g grass‑fed whey, just 1g sugar, no erythritol or maltitol—and say it’s genuinely filling with a cocoa‑almond taste that feels real, not artificial.

Main criticism: The loudest complaints center on inconsistent texture and a monk‑fruit/earthy aftertaste, with the ashwagandha add‑in dividing opinions.

Bottom Line

Great for a low‑sugar, high‑protein snack or post‑workout bite when you want steady energy without a candy‑bar crash. Best for folks who tolerate dairy and nuts and don’t mind (or even like) an adaptogen cameo.

8.

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.

9.

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.

10.

Gatorade

Chocolate Caramel

Gatorade Chocolate Caramel protein bar product photo
Product image of Gatorade Chocolate Caramel protein bar
20g
Protein
10g
Fat
43g
Carbs
28g
Sugar
330
Calories
Allergens:Milk, Soybeans
Diet:Vegetarian
Total Ingredients:34

What's in the Chocolate Caramel Gatorade bar?

Chocolate Caramel is exactly what it sounds like: a layer of caramel made like classic candy - syrups and sugar cooked with butter and milk - under a chocolate coating built with alkalized cocoa.

Beneath the dessert act sits 20 grams of dairy protein from whey crisps, milk protein concentrate, and a touch of whey isolate. The tradeoff is that a large share of calories comes from refined sugars and palm-based fats, so carbs and sugars run high for the category.

If you want something that truly eats like a candy bar but still lands a meaningful protein hit, this fits; if you're after slower, whole-food carbs, it doesn't. You'll also see familiar helpers like emulsifiers and glycerin to keep the caramel soft and the coating smooth - standard for a more processed build.

Protein
20
15
Fat
10
9
Carbs
43
20
Sugar
28
4
Calories
330
210

What are people saying?

Main praise: It genuinely tastes like a candy bar while delivering an easy-to-digest 20 grams of whey, without the artificial sweetener aftertaste.

Main criticism: With 28 grams of sugar, 330 calories, palm-heavy fats, and minimal fiber, it tilts dessert more than everyday health snack.

Bottom Line

Best for post-workout recovery when quick carbs plus protein are useful, or for anyone who hates chalky bars but still wants a straightforward 20 grams of protein.

Other Flavors