Top 10 · Updated October 2026
Lowest-Calorie Protein Supplement
The 10 lightest protein supplement products on this list range from 68.5 to 294 kcal per 100 g. The protein supplement with the fewest calories per 100 g, so you can compare energy density at a glance. We checked 140 protein supplement with complete data.
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Carnivor (1,8 KG) Parfum Vanille Caramel
Musclemeds -
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Coconut Cream Dietary Supplement
Clean Simple Eats · 36 oz
How we built this list
We ranked all published protein supplement 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.