Best High Calorie Keto Whey Protein Bars

Highest Calorie Protein Bars that are Whey Protein and Keto
Ranking of highest calorie protein bars filtered by: Whey Protein, Keto
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By Protein Bar Nerd
October 17, 2025

Rankings Overview

  1. 1. Atlas
    Peanut Butter Dark Chocolate

    Combo: real peanut‑butter flavor, 15g plant protein, just 0.5g sugar, and an unusually high 38% DV of iron in 180 calories, sweetened with allulose and monk fruit.

  2. 2. 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.

  3. 3. Love Good Fats
    Cookie Dough

    Four‑protein blend—collagen, soy, casein, and whey—packs 20g into a cookie‑dough bar that keeps sugar to 2g by leaning on modern sweeteners instead of cane sugar.

  4. 4. MOSH
    Blueberry Almond Crunch

    It’s the rare blueberry-almond bar that pairs a clean dairy protein blend with a modest 'brain blend' and keeps the whole package truly snack-sized at 170 calories.

  5. 5. 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.

Compare Best High Calorie Keto Whey Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Atlas
Peanut Butter Dark Chocolate
180151781193
Julian Bakery
Dark Chocolate
19020247151
Love Good Fats
Cookie Dough
210202182174
MOSH
Blueberry Almond Crunch
170121593205
Mosh
Peanut Butter Crunch
170121891194

Under the Microscope

1.

Atlas

Peanut Butter Dark Chocolate

Atlas Peanut Butter Dark Chocolate protein bar product photo
Product image of Atlas Peanut Butter Dark Chocolate protein bar
15g
Protein
8g
Fat
17g
Carbs
1g
Sugar
180
Calories
Allergens:Tree Nuts, Coconuts, Peanuts
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:19

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

Atlas leans into peanut butter and dark chocolate but rewrites the sugar script. The protein is fully plant‑based—a rice‑and‑almond base with crunchy pea‑protein crisps—boosted by peanut butter and peanut flour.

The chew comes from soluble tapioca fiber (a refined binder from cassava) and a little plant‑derived glycerin to keep things soft, while sweetness relies on allulose, a low‑calorie sugar that behaves like the real thing, plus concentrated monk fruit extract.

Fats are mostly peanut‑driven, with small amounts of cocoa butter and coconut oil for structure. Net result: a vegan, gluten‑free, keto‑friendly bar with 15 grams of protein, 180 calories, only 0.

5 grams of sugar, and a quietly impressive 38% Daily Value of iron from the cocoa components.

Protein
15
15
Fat
8
9
Carbs
17
20
Sugar
1
4
Calories
180
210

What are people saying?

Main praise: Fans praise the real peanut‑butter flavor with restrained sweetness, a clean ingredient list that keeps energy steadier, and a surprisingly satisfying texture for a 180‑calorie snack.

Main criticism: The knocks: batch‑to‑batch texture swings (oily shell or sandy center), occasional monk‑fruit/earthy aftertaste, a premium price, and an ashwagandha add‑in some don’t want.

Bottom Line

Choose it if you want a low‑sugar, dairy‑free bar that actually tastes like peanuts and cocoa, prefer gentle sweetness over candy‑bar sweetness, and would appreciate an iron bonus in a tidy 180‑calorie snack.

2.

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.

3.

Love Good Fats

Cookie Dough

Love Good Fats Cookie Dough protein bar product photo
Product image of Love Good Fats Cookie Dough protein bar
20g
Protein
8g
Fat
21g
Carbs
2g
Sugar
210
Calories
Allergens:Milk, Soybeans
Diet:Keto, Gluten-Free
Total Ingredients:17

What's in the Cookie Dough Love Good Fats bar?

Love Good Fats Cookie Dough leans into nostalgia—soft chew, chocolatey notes—while quietly operating like a macro‑forward bar. It stakes its claim with 20g of protein from a rare mix of collagen plus soy, casein, and whey, and keeps actual sugar low at 2 grams.

Instead of cane sugar, it relies on four refined “helpers”—a sugar alcohol for sweetness, a plant‑derived syrup to keep the bar soft, a lab‑made soluble fiber for bulk, and an emulsifier to smooth the chocolate—so the carbs skew more engineered than grain‑ or fruit‑based.

Fats are chocolatey and creamy thanks to cocoa butter with a touch of palm, and calories land at 210—squarely snack territory. Because the protein includes collagen, it isn’t vegetarian, and it’s best for folks who do well with sugar alcohols.

Protein
20
15
Fat
8
9
Carbs
21
20
Sugar
2
4
Calories
210
210

What are people saying?

Main praise: Reviewers say it scratches the sweet itch without the sugar spiral—20g of protein in a chocolatey, candy‑bar‑adjacent chew that actually keeps you full.

Main criticism: Texture can read dry or chalky, and the maltitol‑plus‑fiber sweetness system doesn’t sit well with every stomach—or every ingredient philosophy.

Bottom Line

, and who tolerate sugar alcohols well. Not ideal for strict keto purists, vegetarians, or those avoiding dairy/soy.

4.

MOSH

Blueberry Almond Crunch

MOSH Blueberry Almond Crunch protein bar product photo
Product image of MOSH Blueberry Almond Crunch protein bar
12g
Protein
9g
Fat
15g
Carbs
3g
Sugar
170
Calories
Allergens:Milk, Tree Nuts
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:20

What's in the Blueberry Almond Crunch MOSH bar?

MOSH’s Blueberry Almond Crunch leans on a dairy trio—whey isolate, whey concentrate, and grass-fed milk protein isolate—and keeps things tight at 170 calories.

Carbs are lower than most bars and center on soluble tapioca fiber, a refined fiber from cassava root, while sweetness comes mainly from stevia and monk fruit instead of a lot of sugar.

Almonds and real blueberry bits do the flavor and texture heavy lifting.

A small 'brain blend' adds flaxseed plus a few functional extras—citicoline (a choline source), lion’s mane (a culinary mushroom), vitamin D3, vitamin B12, and ashwagandha (an adaptogen)—so it nudges into functional-snack territory without reading like a supplement.

The label uses five modern helpers to manage texture and sweetness, keeping the bar soft rather than syrupy.

Protein
12
15
Fat
9
9
Carbs
15
20
Sugar
3
4
Calories
170
210

What are people saying?

Main praise: Fans love the balance: a 170-calorie, whey-based bar with 12g of protein, real blueberry pops, and a chewy-crunchy texture, lightly sweetened with stevia/monk fruit—plus D3 and B12 as thoughtful extras.

Main criticism: Common knocks: it’s pricey for the size and protein, some taste stevia in the finish or find fruit flavors a bit dry, and the 'brain' angle feels vague with undisclosed doses.

Bottom Line

Best as a light, lower‑sugar, gluten‑free snack for mid‑morning or pre‑meeting fuel—especially if you like whey and are curious about functional add‑ins. Not the right pick if you want a 20g post‑lift protein bomb or avoid non‑sugar sweeteners.

5.

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.