Skip to content
Protein Snack Finder
ONE Peanut Butter Cup Protein Bar package front

Image: Open Food Facts

Protein bars

ONE Peanut Butter Cup Protein Bar

ONE Peanut Butter Cup Protein Bar: 20 g of protein and 220 calories per serving (9.1 g protein per 100 calories), with just 1 g sugar. It is a solid bar for adding protein between meals. Its label claims: gluten-free.

  • Gluten-freeon label

Nutrition last checked October 15, 2026.

Where to buy

Snack Facts

Serving size 1 bar (60 g)

Calories
220
Protein
20 g
Total fat
9 g
Saturated fat
5 g
Total carbohydrate
24 g
Dietary fiber
8 g
Total sugars
1 g
Sodium
150 mg
Protein per 100 cal
9.1 g

Highlighted values pass our thresholds. Per serving, from the product label and Open Food Facts. Check the package you buy; recipes change.

Passes 4 of 5 checks

How Peanut Butter Cup Protein Bar measures up to our five lines, per serving.

  • Protein 10 g or morePasses
  • Calories under 200Misses
  • Sugar 5 g or lessPasses
  • Fiber 3 g or morePasses
  • Sodium under 400 mgPasses

What's good

  • Good protein density: 9.1 g protein per 100 calories
  • 20 g protein per serving
  • Low sugar: 1 g per serving
  • 8 g fiber per serving
  • Labeled gluten-free
  • Shelf-stable and easy to carry

What to watch

  • 5 g saturated fat per serving
  • Ultra-processed (NOVA group 4)
  • Contains milk, peanuts, soy, tree nuts
  • Uses sweeteners or sugar alcohols some people avoid

Ingredients and allergens

Protein blend (milk protein isolate, whey protein isolate, milk protein concentrate), soluble vegetable fiber, vegetable glycerin, isomalto-oligosaccharides (vegetable source), maltitol, peanuts, peanut flour, peanut butter, palm kernel oil, cocoa powder (processed with alkali), calcium caseinate, natural flavors, soy lecithin (an emulsifier), sea salt, nonfat dry milk, almond butter and sucralose.

Contains: milk, peanuts, soy, tree nuts.

NOVA processing group 4 of 4.

Source record on Open Food Facts (opens in a new tab)

Frequently asked questions

How much protein is in ONE Peanut Butter Cup Protein Bar?

ONE Peanut Butter Cup Protein Bar has 20 g of protein per 1 bar (60 g) serving and 220 calories, which is 9.1 g of protein per 100 calories.

Is ONE Peanut Butter Cup Protein Bar healthy?

It passes 4 of our 5 checks (protein 10 g or more, sugar 5 g or less, fiber 3 g or more, sodium under 400 mg). It misses on calories under 200. It is ultra-processed (NOVA group 4).

Is ONE Peanut Butter Cup Protein Bar keto, vegan or gluten-free?

The label says gluten-free. It is not labelled vegan or keto. Check the package for current claims and allergens.

Similar snacks