Top 10 · Updated October 2026

Lowest-Calorie Protein

The 10 lightest protein products on this list range from 0.5 to 65 kcal per 100 g. The protein with the fewest calories per 100 g, so you can compare energy density at a glance. We checked 102 protein with complete data.

  1. 1 Dr Pepper Zerooo

    Dr Pepper Zerooo

    Dr Pepper
    NOVA 4 0 kcal 0 g sugar 0 g protein 0 g fat

    Also: Palm oil free

  2. 2 Protein Drink (Chrysanthemum Tea)

    Protein Drink (Chrysanthemum Tea)

    protein made simple
    NOVA 4 17 kcal 0 g sugar 3 g protein 0 g fat
  3. 3 Lightly Carbonated Protein Banana Pineapple

    Lightly Carbonated Protein Banana Pineapple

    Bucked Up
    NOVA 4 21 kcal 0 g sugar 5.3 g protein 0 g fat

    Also: Palm oil free

  4. 4 Fairlife Nonfat Ultra-Filtered Milk

    Fairlife Nonfat Ultra-Filtered Milk

    fairlife · 52 FL OZ / 1.5L
    b NOVA 1 33 kcal 6 g sugar 5.4 g protein 0 g fat

    Also: Palm oil free · No additives

  5. 5 White chocolate protein crunch - Applied Nutrition

    White chocolate protein crunch - Applied Nutrition

    Applied Nutrition · 330ml
    a NOVA 4 38 kcal 3.2 g sugar 6.1 g protein 0.1 g fat

    Also: Palm oil free

  6. 6 Ultra Filtered Milk Shake

    Ultra Filtered Milk Shake

    Gehl Dairy
    44 kcal 0.6 g sugar 8.8 g protein 0.7 g fat
  7. 7 Complete Protein Shake - Frosted Cereal

    Complete Protein Shake - Frosted Cereal

    Pure Protein · 12-pack, 11 FL OZ. (325 mL)
    45 kcal 0.3 g sugar 9.6 g protein 0.3 g fat
  8. 8 Egg Whites

    Egg Whites

    Kirkland Signature
    a 50 kcal 1 g sugar 11 g protein 0 g fat

    Also: No additives

  9. 9 Core Power

    Core Power

    Core Power · 14 oz (414 ml)
    NOVA 4 58 kcal 1.8 g sugar 10.6 g protein 0.9 g fat

    Also: Palm oil free

  10. 10 Protein Mango

    Protein Mango

    Arla · 200 g
    a NOVA 4 65 kcal 5.8 g sugar 9.1 g protein 0.2 g fat

    Also: Palm oil free

How we built this list

We ranked all published protein 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.

More protein rankings

Healthiest Protein by Nutri-ScoreHighest-Protein ProteinLeast Processed ProteinBest Low-Sugar Protein All protein