Top 9 · Updated October 2026
Highest-Protein Onion Powder
Onion powder: typically 1.1 g of protein per 100 g (median of 10 products). The onion powder with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 9 onion powder with complete data.
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How we built this list
We ranked all published onion powder 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.