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Rated 4.5 out of 5
42 Ratings

Sold Out - (You save )

Hanger got you feeling nutty? Reach for a treat that contains 16g of protein and 7.5g of collagen in every bar. PRIMAL KITCHEN® COLLAGEN FUEL® Peanut Butter Bars are here! Made without gluten, grains, dairy, soy, or whey, this bar boasts only high-quality ingredients like real peanut butter, organic monk fruit extract, and egg whites.
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100% Satisfaction Guaranteed or Your Money Back
What's Inside Peanut Butter Collagen Fuel Bars

What's Inside?

Sixteen grams of protein and 7.5g of collagen in one delicious, peanut-butter-flavored bar? It’s nuts. Bring this peanut butter collagen protein bar along for when hunger strikes on busy days, big adventures, or even in bumper-to-bumper traffic on your commute! This take-anywhere treat helps keep you satisfied with big, nutty, peanut butter taste, and the collagen bovine peptides come with the added bonus of supporting hair, skin, and nails. Made with egg whites, monk fruit extract, peanut butter, type 1 and 3 collagen, and made without gluten, grains, dairy, soy, or whey, sink your teeth into a comforting, chewy snack that packs a flavorful punch.

  • 16g of Protein per Bar
  • 7.5g of Collagen per Bar
  • Made Without Gluten, Grains, Dairy, Soy, or Whey

Peanut Butter, Soluble Tapioca Fiber, Bovine Collagen
Peptides, Peanuts, Organic Pumpkin Seeds, Egg Whites, Honey, Peanut Flour, Organic Sesame Seeds, Water, Eggs, Organic Peanut Oil, Vanilla Extract, Sea Salt, Sunflower Lecithin, Organic Monk Fruit Extract, Organic Rosemary Extract, Almond Meal, Cashew, Organic Coconut, Hazelnut, Macadamia


Contains: Peanuts, Eggs, Tree Nuts (Almond, Cashew, Hazelnut, Macadamia)

Nutrition Facts

Serving Size 1 Bar (48g)
Servings Per Container 12
Amount Per Serving
Calories 200
% Daily Value*
Total Fat 11g 14%
Saturated Fat 1.5g 8%
Trans Fat 0g
Cholesterol 15mg 5%
Sodium 130mg 6%
Total Carbohydrates 14g 5%
Dietary Fiber 9g 32%
Total Sugars 3g
Added Sugars 2g 4%
Protein 16g
Vitamin D 0mcg 0%
Calcium 40mg 4%
Iron 1.4mg 8%
Potassium 188mg 4%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Customers Love Our Peanut Butter Collagen Fuel Bars

average rating 4.5 out of 5
Based on 42 ratings
  • 5 Stars
    29 Reviews
  • 4 Stars
    7 Reviews
  • 3 Stars
    4 Reviews
  • 2 Stars
    1 Review
  • 1 Star
    1 Review
100% of reviewers would recommend this product to a friend
13 Reviews
Reviewed by Megan L.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

I would buy again

I like these. I wish they were a little softer - they are a bit chewy. But the flavor is good and it’s a nice size bar.

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Reviewed by Erin D.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

the BEST protein fuel bar

I have tried all the Primal Kitchen fuel bars, and this one is my favorite. It has just the perfect combination of sweet/salty/savory for a great protein boost!

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Reviewed by Marlena T.
Verified Buyer
I recommend this product
Rated 4 out of 5
Review posted

You can taste the peanut butter!!!

Soooo much better than whey protein bars! Thank you!

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Reviewed by Thomas M.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Tastes Great

I like peanut butter. These are the best protein bars that I've tried so far.

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Reviewed by Nancy K.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Peanut butter collagen fuel bars

These are amazing! They really satisfy my peanut butter craving and it feels like I’m having a special treat while I’m also completely nourishing my body. The chewy texture and perfect sweetness is so satisfying. If you want to replace a candy bar with something much better this is the one!!!

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Culinary Inspiration

Check out some of our favorite recipes that use Peanut Butter Collagen Fuel Bars

Frequently Asked Questions

What guarantee do you offer?

If for any reason you are not completely satisfied with any of our products or have a less than satisfactory experience, please contact our customer service specialists within 30 days of the receipt of your order.

How long do my Primal Kitchen Collagen Fuel Bars last?

Our bars have a best by printed on the box they come in and directly on the wrapper. Please consume right away once the bar is opened. They do not need to be refrigerated. 

Are the bars manufactured in a facility that contains other allergens?

Yes, our bars either contain or share a line with egg, peanuts, soy, tree nuts and milk. The facility has an allergen control program in place and specific cleaning protocols to avoid allergen residues.

What is the optimal temperature for these bars?

Product should be stored between 60 - 70 degrees.

Information is subject to change and packaging may not be an exact match to labels and packaging in the marketplace.

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