Best High Calorie Keto Soy Protein Bars

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

Rankings Overview

  1. 1. Love Good Fats
    Crunch Chocolate Peanut

    Rare among low-sugar bars, it delivers a true candy-bar crunch and mini-meal macros (19g protein, 15g fat, 270 calories), built on milk protein isolate and soy crisps.

  2. 2. KIND
    Almond Butter Dark Chocolate

    A nut-first protein bar that actually tastes like almonds and dark chocolate, while quietly delivering 12g of complete soy protein and using just one additive to keep the chocolate smooth.

  3. 3. Atkins
    Peanut Butter Granola

    A true granola crunch with 16g of protein and just 1g of sugar, built on a soy-and-whey blend and a modern low-sugar recipe, makes this Atkins bar feel like a snack-size meal without the sugar rush.

  4. 4. 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.

Compare Best High Calorie Keto Soy Protein Bars

BarCaloriesProteinCarbsFatSugarIngredientsAdditives
Love Good Fats
Crunch Chocolate Peanut
2701920152238
KIND
Almond Butter Dark Chocolate
2301218178161
Atkins
Peanut Butter Granola
2201618111245
Fiber One
Chocolate Chip
90101031225

Under the Microscope

1.

Love Good Fats

Crunch Chocolate Peanut

Love Good Fats Crunch Chocolate Peanut protein bar product photo
Product image of Love Good Fats Crunch Chocolate Peanut protein bar
19g
Protein
15g
Fat
20g
Carbs
2g
Sugar
270
Calories
Allergens:Milk, Peanuts, Soybeans
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:23

What's in the Crunch Chocolate Peanut Love Good Fats bar?

Crunch Chocolate Peanut leans into roasted peanuts, peanut butter, and a dark-chocolate-style coating, while soy protein crisps add the snap. The protein is dairy-first (milk protein isolate) with soy as backup, so you get an above-average protein hit without much lactose.

Carbs are engineered rather than fruit- or oat-based: mostly refined corn-derived fibers and a sugar alcohol (maltitol) used instead of table sugar, plus a little tapioca starch to bind the crisps, which keeps sugars low.

Fat runs higher than many bars because it comes from peanuts and a palm-kernel-oil coating; that means more staying power with a bump in saturated fat. The ingredient list skews modern—23 ingredients total, including about 8 functional additives that create the low-sugar sweetness and that firm chocolate snap.

Protein
19
15
Fat
15
9
Carbs
20
20
Sugar
2
4
Calories
270
210

What are people saying?

Main praise: Reviewers say it scratches the candy-bar itch while keeping hunger quiet for hours, thanks to the chocolate-peanut flavor, real crunch, and low-sugar steadiness.

Main criticism: The biggest knocks are a sometimes-dry, protein-powdery texture and GI upset from the sugar alcohols and fast-fermenting fibers, plus debate in strict-keto circles over the carb sources.

Bottom Line

Best for low‑sugar snackers who want a crunchy, chocolate‑peanut fix that actually fills you up—and who tolerate sugar alcohols well. Think mini‑meal between meetings or a post‑workout hold‑you‑over.

2.

KIND

Almond Butter Dark Chocolate

KIND Almond Butter Dark Chocolate protein bar product photo
Product image of KIND Almond Butter Dark Chocolate protein bar
12g
Protein
17g
Fat
18g
Carbs
8g
Sugar
230
Calories
Allergens:Milk, Tree Nuts, Peanuts, Soybeans
Diet:Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Almond Butter Dark Chocolate KIND bar?

KIND’s Almond Butter Dark Chocolate Protein Bar leans on roasted nuts and real dark chocolate for flavor, with soy protein isolate doing most of the protein work and small assists from almonds, peanuts, and a touch of nonfat milk powder.

Despite the “Protein Bar” label, it sits on the lighter side at 12g, while fat leads at 17g—so it’s more filling and clocks in at 230 calories. Carbs are split: prebiotic chicory root fiber helps steady things, and the sweetness comes from honey, table sugar, and a little glucose syrup (a simple liquid sugar).

There’s just one true additive here—soy lecithin, an emulsifier—to help the chocolate set cleanly and stay snappy.

Protein
12
15
Fat
17
9
Carbs
18
20
Sugar
8
4
Calories
230
210

What are people saying?

Main praise: Roasty almond‑cocoa flavor with real crunch and no chalk—fans call it satisfying, not too sweet, and appreciate that it reaches 12g of protein with recognizable ingredients.

Main criticism: The protein feels modest next to 20–30g bars, sweetness comes from added sugars, palm oils lift saturated fat, and chicory root fiber can bother sensitive stomachs.

Bottom Line

Best as an afternoon pick‑me‑up or travel snack when you want something satisfying and tasty with 12g of protein. Skip if you need vegan or low‑FODMAP, or if you’re chasing 20–30g post‑workout.

3.

Atkins

Peanut Butter Granola

Atkins Peanut Butter Granola protein bar product photo
Product image of Atkins Peanut Butter Granola protein bar
16g
Protein
11g
Fat
18g
Carbs
1g
Sugar
220
Calories
Allergens:Milk, Peanuts, Wheat, Soybeans
Diet:Keto
Total Ingredients:24

What's in the Peanut Butter Granola Atkins bar?

Peanut Butter Granola does what it promises: oats and roasted peanuts bring the classic granola texture, and a soy-and-whey blend lifts it to 16g of protein.

The sweet taste comes with only 1g of sugar because Atkins leans on sucralose (a zero-calorie sweetener), vegetable glycerin (a plant-derived syrupy binder), and polydextrose (a lab-made soluble fiber) for chew and sweetness.

Fat runs higher than many bars because the richness comes from peanuts and sunflower oil, plus palm oils and a touch of butterfat, so it eats more like a mini meal than a light nibble.

It’s a 24-ingredient, five-additive formula squarely in the modern low-sugar bar camp.

Protein
16
15
Fat
11
9
Carbs
18
20
Sugar
1
4
Calories
220
210

What are people saying?

Main praise: Reviewers lean on it to curb cravings and stay on track—sweet, satisfying, and surprisingly filling for 220 calories—with many noting the switch from maltitol to sucralose eased digestive gripes.

Main criticism: Critics see a highly processed ingredient list—artificial sweetener, engineered fibers, multiple oils—with some reporting chewiness fatigue, occasional stomach upset if they eat more than one, confusion around “net carbs,” and the reality that 220 calories won’t replace a full meal.

Bottom Line

Busy low‑carb eaters who want a peanut‑buttery, granola‑style bite that actually satisfies. Less ideal if you avoid artificial sweeteners, palm oils, gluten, or animal‑derived gelatin.

4.

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.