
Chocolate Brownie Protein Bar
Kirkland Signature, protein bars, 180 cal, 1.2 g sugar
21g protein11.7 g / 100 cal

Image: Open Food Facts
Kirkland Signature Chocolate Peanut Butter Chunk Protein Bar: 21 g of protein and 180 calories per serving (11.7 g protein per 100 calories), with just 2 g sugar. That puts it among the most protein-dense bars in our catalog. Its label claims: gluten-free.
Nutrition last checked October 15, 2026.
Prices change often.
Serving size 60 g
Highlighted values pass our thresholds. Per serving, from the product label and Open Food Facts. Check the package you buy; recipes change.
How Chocolate Peanut Butter Chunk Protein Bar measures up to our five lines, per serving.
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, sesame.
NOVA processing group 4 of 4.
Kirkland Signature Chocolate Peanut Butter Chunk Protein Bar has 21 g of protein per 60 g serving and 180 calories, which is 11.7 g of protein per 100 calories.
It passes 5 of our 5 checks (protein 10 g or more, calories under 200, sugar 5 g or less, fiber 3 g or more, sodium under 400 mg). It is ultra-processed (NOVA group 4).
The label says gluten-free. It is not labelled vegan or keto. Check the package for current claims and allergens.

Kirkland Signature, protein bars, 180 cal, 1.2 g sugar
21g protein11.7 g / 100 cal

Pure Protein, protein bars, 180 cal, 3 g sugar
21g protein11.7 g / 100 cal

Quest, protein bars, 180 cal, 1 g sugar
21g protein11.7 g / 100 cal

Quest, protein bars, 170 cal, 4 g sugar
20g protein11.8 g / 100 cal