Best Low Fat Keto Protein Bars

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

Rankings Overview

  1. 1. No Cow
    Lemon Meringue Pie

    Dairy-free bar that packs 22g of plant protein into just 190 calories, No Cow’s Lemon Meringue Pie goes bright and citrusy instead of chocolatey—without leaning on sugar.

  2. 2. 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.

  3. 3. 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.

  4. 4. BHU Foods
    Chocolate Chip Cookie Dough

    The rare vegan bar that truly nails cookie-dough flavor and texture, sweetened with monk fruit (no sugar alcohols) and only 1g of sugar.

  5. 5. good! snacks
    Choc. P.B.

    A dessert-first, stevia-free vegan chocolate–peanut butter bar with 15g of fava–rice protein and a soft, chewy bite.

  6. 6. Pulsin
    Cookie Dough

    A chocolate‑dipped, vegan cookie‑dough bar that delivers 15g plant protein with about 1g sugar by swapping syrup for xylitol and fiber—tasting like dessert, behaving like a sensible snack.

  7. 7. IQBAR
    Salted Caramel Chip

    A vegan, low-carb bar that keeps sugar at 1 gram without sugar alcohols, delivers 100% Daily Value vitamin E, and even adds a dash of lion’s mane.

  8. 8. Raw Rev
    Creamy Peanut Butter & Sea Salt

    Vegan bar that actually tastes like straight peanut butter—13g of plant protein in 190 calories, with sweetness and chew coming from a tapioca-derived prebiotic syrup.

  9. 9. Love Good Fats
    Chewy Nutty Peanut Chocolatey

    A rare, fat-forward take on the peanut-and-chocolate bar—vegan and dairy-free—with 13g fat, 7g protein, and just 1g sugar aimed at steadier energy.

  10. 10. KIND
    Sweet & Salty Caramel Peanut Crisp

    A peanut-first crunch bar that pairs 20g of soy-based protein with just 1g of sugar, using allulose and fiber instead of syrupy sweeteners.

Compare Best Low Fat Keto Protein Bars

BarFatProteinCarbsCaloriesSugarIngredientsAdditives
No Cow
Lemon Meringue Pie
422251901175
Julian Bakery
Sweet Cream
82023210141
Atlas
Peanut Butter Dark Chocolate
815171801193
BHU Foods
Chocolate Chip Cookie Dough
1012172101122
good! snacks
Choc. P.B.
1015262409163
Pulsin
Cookie Dough
1015122271248
IQBAR
Salted Caramel Chip
111291701161
Raw Rev
Creamy Peanut Butter & Sea Salt
1313161902112
Love Good Fats
Chewy Nutty Peanut Chocolatey
137151801196
KIND
Sweet & Salty Caramel Peanut Crisp
1320242401163

Under the Microscope

1.

No Cow

Lemon Meringue Pie

No Cow Lemon Meringue Pie protein bar product photo
Product image of No Cow Lemon Meringue Pie protein bar
22g
Protein
4g
Fat
25g
Carbs
1g
Sugar
190
Calories
Allergens:Tree Nuts
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:17

What's in the Lemon Meringue Pie No Cow bar?

Vegan and dairy-free, this bar squeezes 22g of pea-and-brown-rice protein into 190 calories, with its lemon-meringue character built from natural flavors and a pinch of citric acid rather than actual lemon pieces.

Texture comes from almond bits and pea-protein crisps, so it doesn’t eat like a taffy slab.

It uses five modern helper ingredients—soluble corn fiber and glycerin for bulk and softness, plus a sweetener blend of erythritol (a zero-calorie sugar alcohol), stevia, and monk fruit—to keep sugar low without ditching sweetness.

Most of the 25g carbs are fiber or low-calorie sweeteners, so energy tends to land steadier than a syrupy bar, and fat stays modest at 4g.

Protein
22
15
Fat
4
9
Carbs
25
20
Sugar
1
4
Calories
190
210

What are people saying?

Main praise: It’s an efficiency play: 22g of dairy-free protein for 190 calories with steady-feeling energy and a lemony break from endless chocolate, earning best-in-class nods for vegan macros.

Main criticism: Taste and texture divide people—some find it dry or chalky with a stevia/erythritol aftertaste and occasional GI rumbling, with batch-to-batch consistency a question mark.

Bottom Line

Best for macro-first snackers and dairy-free eaters who want a big protein bump in a small-calorie package—and who do fine with sugar alcohols.

2.

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.

3.

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.

4.

BHU Foods

Chocolate Chip Cookie Dough

BHU Foods Chocolate Chip Cookie Dough protein bar product photo
Product image of BHU Foods Chocolate Chip Cookie Dough protein bar
12g
Protein
10g
Fat
17g
Carbs
1g
Sugar
210
Calories
Allergens:Tree Nuts, Coconuts
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:12

What's in the Chocolate Chip Cookie Dough BHU Foods bar?

BHU Foods’ Chocolate Chip Cookie Dough (Vegan) takes a plant-based, keto-leaning path to a nostalgic flavor. Its 12g of protein come primarily from organic pea protein, rounded out by cashews, while sweetness comes from monk fruit–sweetened chocolate chips and soluble tapioca fiber instead of cane sugar.

Fats from cashews, cacao butter, coconut-derived MCT oil, and certified-sustainable red palm oil push it richer and help keep sugar low.

You do trade traditional oats and syrups for modern, refined helpers, and there are just two true additives here: sunflower lecithin to keep the dough cohesive and monk fruit extract to sweeten—gentle for many, though sensitive stomachs may want to start with half.

Protein
12
15
Fat
10
9
Carbs
17
20
Sugar
1
4
Calories
210
210

What are people saying?

Main praise: Taste and texture steal the show: a soft, genuinely doughy bite that reads like dessert, sweetened with monk fruit instead of sugar alcohols, and loved by vegan and keto-leaning reviewers.

Main criticism: Best kept refrigerated and only 12g of protein, with texture and sweetness that can polarize—especially if the bar gets warm—and a higher price than mainstream options.

Bottom Line

Best for dairy‑free snackers who want a dessert‑leaning, low‑sugar bite with steady energy and are happy with 12g of plant protein—especially if they keep bars in the fridge.

5.

good! snacks

Choc. P.B.

good! snacks Choc. P.B. protein bar product photo
Product image of good! snacks Choc. P.B. protein bar
15g
Protein
10g
Fat
26g
Carbs
9g
Sugar
240
Calories
Allergens:Tree Nuts, Peanuts
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Choc. P.B. good! snacks bar?

good! snacks Choc.

P. B.

pairs a vegan blend of fava bean and brown rice proteins with real peanuts, peanut butter, and cocoa for that classic PB–chocolate profile. Carbs run higher than many bars because the binder is tapioca syrup and cane sugar, tempered with soluble tapioca fiber for softness and a bit of steadier energy.

Most of the fat comes from nuts and high-oleic sunflower oil, with a small amount of palm kernel oil to help the bar hold its shape. It’s 240 calories with 15g of protein—more mini meal than tiny snack—and uses a few additives (three by label count) to keep the texture reliably soft.

Protein
15
15
Fat
10
9
Carbs
26
20
Sugar
9
4
Calories
240
210

What are people saying?

Main praise: Fans rave about the candy-bar taste and soft chew—classic chocolate–peanut butter sweetness without stevia, plus 15g of vegan protein.

Main criticism: Some find it too sweet and a bit processed—think refined syrups and a touch of palm kernel oil—with occasional reports of chalkiness.

Bottom Line

Choose this if you’re plant-based and want a chocolate–peanut butter treat that still brings meaningful protein—great for an afternoon pick-me-up or pre-workout snack. Skip it if you’re chasing ultra-low-carb or max protein per calorie.

6.

Pulsin

Cookie Dough

Pulsin Cookie Dough protein bar product photo
Product image of Pulsin Cookie Dough protein bar
15g
Protein
10g
Fat
12g
Carbs
1g
Sugar
227
Calories
Allergens:None
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:24

What's in the Cookie Dough Pulsin bar?

Under the wrapper, Pulsin leans on a pea‑and‑faba bean protein blend to keep it dairy‑ and soy‑free, then dresses it up with a dairy‑free chocolatey coating and real cocoa chips for that cookie‑dough mood.

Instead of cane sugar, the sweetness comes from xylitol—a sugar alcohol often used in gum—and a base of soluble tapioca fiber (from cassava) and chicory root fiber that keep the bar soft while blunting sugar spikes.

A bit of gluten‑free oat flour helps the bite feel bakery‑style. You will see around eight modern additives doing functional jobs—lecithin to keep chocolate smooth, glycerin to hold moisture—so it reads more engineered confection than whole‑food bar.

Calories land at 227 because cocoa butter and shea butter do the heavy lifting for melt and flavor.

Protein
15
15
Fat
10
9
Carbs
12
20
Sugar
1
4
Calories
227
210

What are people saying?

Main praise: Reviewers keep coming back to this: it tastes like real cookie dough—chocolatey, not cloying—and gives steady energy with 15g protein and almost no sugar.

Main criticism: The knocks are a sometimes‑dry, crumbly chew and occasional stomach rumblings from xylitol and refined fibers, plus calories that feel high for a bar with about 1g sugar.

Bottom Line

Reach for this if you’re dairy-free or vegan and want a sweet-leaning snack with steadier energy and minimal sugar spikes—great for afternoons or light post-workouts when 15g protein does the job. Skip it if sugar alcohols upset your stomach or you’re chasing 20g-plus protein in one bar.

Other Flavors

7.

IQBAR

Salted Caramel Chip

IQBAR Salted Caramel Chip protein bar product photo
Product image of IQBAR Salted Caramel Chip protein bar
12g
Protein
11g
Fat
9g
Carbs
1g
Sugar
170
Calories
Allergens:Tree Nuts, Coconuts
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Salted Caramel Chip IQBAR bar?

Plant-based through and through, IQBAR’s Salted Caramel Chip leans on pea protein and nuts for substance, then finishes with a restrained salted-caramel-and-chocolate vibe.

A prebiotic blend of soluble tapioca and vegetable fibers keeps total carbs low at 9 grams, while almonds, macadamias, and a bit of coconut oil supply satisfying fats for 170 calories.

Sweetness comes via stevia—no sugar alcohols—with just 1 gram of sugar. The label is tidy: 16 ingredients with just one additive by our count, plus a full day’s worth of vitamin E and useful iron and magnesium.

There’s also a modest sprinkle of lion’s mane, a functional flourish rather than the headline act.

Protein
12
15
Fat
11
9
Carbs
9
20
Sugar
1
4
Calories
170
210

What are people saying?

Main praise: Reviewers love that it’s a vegan, low-carb bar with no sugar alcohols that still tastes satisfying—soft with a little crunch and a gentle sweetness.

Main criticism: The divide is taste and texture: some notice stevia and pea-protein notes, want more than 12g protein, or find the added fibers and lion’s mane not to their liking.

Bottom Line

Low-carb snackers and plant-based eaters who want a tidy, not-too-sweet bar without sugar alcohols—better as a small breakfast anchor or afternoon tide-me-over than a heavy post-workout meal.

8.

Raw Rev

Creamy Peanut Butter & Sea Salt

Raw Rev Creamy Peanut Butter & Sea Salt protein bar product photo
Product image of Raw Rev Creamy Peanut Butter & Sea Salt protein bar
13g
Protein
13g
Fat
16g
Carbs
2g
Sugar
190
Calories
Allergens:Coconuts, Peanuts
Diet:Vegan, Vegetarian, Gluten-Free
Total Ingredients:11

What's in the Creamy Peanut Butter & Sea Salt Raw Rev bar?

Raw Rev’s Creamy Peanut Butter & Sea Salt is exactly what it sounds like: a peanut‑first bar built on real peanuts and a plant-based protein blend. The protein comes from pea and brown rice, with flax and hemp lending a boost; sweetness and chew come from a tapioca-derived prebiotic fiber syrup instead of much added sugar.

Most of the energy leans on peanuts and seeds, which tends to feel steadier than a sugar-forward base. The ingredient list stays short, with two helpers—roasted peanut extract to amplify aroma and sunflower lecithin to keep everything mixed—rounding out a snack-friendly 190 calories.

Protein
13
15
Fat
13
9
Carbs
16
20
Sugar
2
4
Calories
190
210

What are people saying?

Main praise: Reviewers love that it tastes like actual peanut butter—modestly sweet, chewy, and vegan-friendly—without the fake candy finish.

Main criticism: Recipe tweaks have divided loyalists, some find the texture gummy or oily, the tapioca-based prebiotic syrup can bother sensitive stomachs, and 13g protein feels light for hard training days.

Bottom Line

Peanut-butter loyalists who want a not-too-sweet, dairy- and soy-free snack with staying power. Best as a between-meal bite or post-workout tide-me-over, not a 20g-protein meal replacement.

9.

Love Good Fats

Chewy Nutty Peanut Chocolatey

Love Good Fats Chewy Nutty Peanut Chocolatey protein bar product photo
Product image of Love Good Fats Chewy Nutty Peanut Chocolatey protein bar
7g
Protein
13g
Fat
15g
Carbs
1g
Sugar
180
Calories
Allergens:Coconuts, Peanuts
Diet:Keto, Vegan, Vegetarian, Gluten-Free
Total Ingredients:19

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

Love Good Fats’ Chewy Nutty Peanut Chocolatey is a fat-forward, plant-based bar built around roasted peanuts and a chocolatey coating. Protein is modest at 7g, coming from peanut flour and peanuts with a little brown rice protein in the coating—so it stays dairy-free.

Carbs (15g) lean heavily on chicory-root inulin and soluble corn fiber, refined fibers that add bulk and a gentle sweetness while keeping sugar at 1g and the glycemic punch lower than a typical sugar-based bar.

The richness comes from peanuts plus a blend of peanut, coconut, MCT, and palm oils for a creamy, dessert-like bite and longer-lasting satisfaction.

A small set of functional add-ins (about four) support texture and shelf life—glycerin for moisture, sunflower lecithin to keep the chocolate smooth, stevia for sweetness, and tocopherols to help keep the oils fresh.

Protein
7
15
Fat
13
9
Carbs
15
20
Sugar
1
4
Calories
180
210

What are people saying?

Main praise: Fans say it nails the chocolate-and-peanut craving and actually keeps them full—without the sugar crash.

Main criticism: The common knock is a dry, chalky chew with a stevia or coconut aftertaste, plus fiber-heavy “keto” math that can upset sensitive stomachs.

Bottom Line

Best as a low‑sugar, dairy‑free afternoon fix for peanut‑chocolate fans who want steady energy and a candy‑bar feel without a blood‑sugar rollercoaster.

10.

KIND

Sweet & Salty Caramel Peanut Crisp

KIND Sweet & Salty Caramel Peanut Crisp protein bar product photo
Product image of KIND Sweet & Salty Caramel Peanut Crisp protein bar
20g
Protein
13g
Fat
24g
Carbs
1g
Sugar
240
Calories
Allergens:Milk, Peanuts, Soybeans
Diet:Keto, Vegetarian, Gluten-Free
Total Ingredients:16

What's in the Sweet & Salty Caramel Peanut Crisp KIND bar?

KIND's Sweet & Salty Caramel Peanut Crisp starts with what you taste first: real peanuts, a clean hit of sea salt, and a caramel profile built without a syrupy sugar base.

The 20g of protein comes mostly from soy protein isolate, a complete plant protein, with a bit of milk powder and peanut protein along for the ride.

Sweetness and chew rely on allulose, a low-calorie sugar that tastes like sugar, plus soluble fibers from tapioca and chicory, with a little tapioca starch to keep those crisp bits intact.

Palm kernel oil helps the bar hold its shape - more of a saturated fat - balanced by the mostly monounsaturated fats found naturally in peanuts. You'll also see a short list of functional helpers, about three additives, like lecithin to keep things blended and vitamin E to protect the oils.

Protein
20
15
Fat
13
9
Carbs
24
20
Sugar
1
4
Calories
240
210

What are people saying?

Main praise: Reviewers rave about the salty-sweet, real-peanut crunch and the lack of chalky protein aftertaste, with strong ratings to match the 20g of protein.

Main criticism: Sensitive stomachs report rumbling from chicory fiber and allulose, and some find the texture too hard or the ingredient list too engineered, palm kernel oil included.

Bottom Line

Best for peanut lovers who want a high‑protein, low‑sugar, crunchy bar for post‑workout or an afternoon hold‑you‑over—especially if you do well with chicory root fiber and allulose. Skip if you avoid soy, dairy, or peanuts, or if you’re sensitive to added fibers.