Kirkland Signature Protein Bar · Chocolate Peanut Butter Chunk

Kirkland Signature · Protein Bar

Protein Bar · Chocolate Peanut Butter Chunk

21g protein

180 calories · per 1 bar (60g)

✦ Protein Score

Excellent

11.7g of protein for every 100 calories. The more of the calories that come from protein, the higher the score.

Protein From

  • Milk Protein Isolate
  • Whey Protein Isolate
  • Peanut Flour

Complete proteinSee analysis

Flavours (4)

Protein Pal Analysis

Protein Source

Where the 21g of protein comes from, largest contributor first

Milk Protein Isolate
Complete

Complete protein. Roughly 80% casein and 20% whey, so it digests slower than whey alone.

Whey Protein Isolate
Complete

Complete protein, fast absorbing. Filtered to remove most of the lactose and fat.

Peanut Flour
Incomplete

Defatted peanuts, roughly half protein by weight. Low in methionine.

Also Contains

Sugar Alcohols

  • Erythritol

    A sugar alcohol that is close to zero calorie, does not raise blood glucose, and is better tolerated digestively than most polyols. A 2023 study associated higher blood erythritol with cardiovascular events and found increased platelet clotting in a small trial. That evidence is observational and is not proof of harm.

    Witkowski et al., Nature Medicine (2023)

Nutrition

per 1 bar (60g)
Protein21g
Calories180 kcal
Carbs23g
Fat6g
Fiber10g
Sugar2g

Protein efficiency

computed from the label
Protein per 100 calories11.7g
Protein per 100g35g
Sugar per 100g3.3g
Fiber per 100g16.7g

Ingredients

Protein blend (milk protein isolate, whey protein isolate), soluble corn fiber, peanut butter (peanuts), isomalto-oligosaccharides (vegetable source), erythritol, peanut flour, natural flavors (includes sesame), water, cocoa butter, peanuts, cocoa powder (processed with alkali), sea salt, sunflower lecithin, unsweetened chocolate, steviol glycosides (stevia). Contains: milk, peanuts and sesame. Produced on equipment that also processes peanuts, tree nuts, soybean, egg, wheat, sesame.

Nutrition values are taken from the manufacturer’s published label and may vary by flavour or region. Trademarks and imagery are the property of their respective owners.

Where Protein Bar ranks

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