Top 10 · Updated October 2026

Best Low-Sugar Protein Energy Bars

The 10 lowest-sugar protein energy bars products on this list range from 1 g to 4.8 g of sugar per 100 g. The protein energy bars with the least sugar per 100 g, ranked using label data. Ties are broken by Nutri-Score. We checked 27 protein energy bars with complete data.

  1. 1 IQ Bar

    IQ Bar

    a NOVA 4 186 kcal 1 g sugar 12 g protein 10 g fat

    Also: No additives

  2. 2 Chocolate Sprinkled Donut Bar

    Chocolate Sprinkled Donut Bar

    No Cow · 240 g
    a NOVA 4 333 kcal 1.7 g sugar 33.3 g protein 11.7 g fat
  3. 3 Peanut Butter Pie Flavored Protein Bar

    Peanut Butter Pie Flavored Protein Bar

    One1brands · 1 bar - 60 g
    c NOVA 4 367 kcal 1.7 g sugar 33.3 g protein 13.3 g fat
  4. 4 Protein Praline with Nut Filling in Chocolate Cover

    Protein Praline with Nut Filling in Chocolate Cover

    Bergen · 3 PCS. 50G
    d 496 kcal 3.1 g sugar 30 g protein 23 g fat

    Also: No additives

  5. 5 White chocolate & cookie dough

    White chocolate & cookie dough

    Fulfill · 55g
    c NOVA 4 360 kcal 3.5 g sugar 36 g protein 14 g fat
  6. 6 Love good protein chocolate caramel

    Love good protein chocolate caramel

    LOVE GOOD
    d NOVA 4 382 kcal 3.6 g sugar 36.4 g protein 14.5 g fat
  7. 7 Slaný karamel proteinová tyčinka

    Slaný karamel proteinová tyčinka

    space protein · 80g
    d NOVA 4 494 kcal 3.7 g sugar 36 g protein 16 g fat
  8. 8 Cheatless protein bar (chocolate toffee)

    Cheatless protein bar (chocolate toffee)

    Cheatless · 45 g
    c NOVA 4 348 kcal 4.7 g sugar 28 g protein 16 g fat
  9. 9 Weight Watchers Fiber One Peanut Butter Cocoa Crumble Protein Bars

    Weight Watchers Fiber One Peanut Butter Cocoa Crumble Protein Bars

    Fiber one · 5x 1.49 oz bars; 7.45 oz
    d NOVA 4 381 kcal 4.8 g sugar 28.6 g protein 14.3 g fat
  10. 10 Weight Watchers Fiber One Fudge Chocolate Cookie Protein Bars

    Weight Watchers Fiber One Fudge Chocolate Cookie Protein Bars

    Fiber one · 5x 1.49 oz bars; 7.45 oz
    d NOVA 4 357 kcal 4.8 g sugar 28.6 g protein 11.9 g fat

How we built this list

We ranked all published protein energy bars on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.

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