Top 10 · Updated October 2026

Highest-Protein Fresh Onions

Fresh onions: typically 1.1 g of protein per 100 g (median of 41 products). The fresh onions with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 37 fresh onions with complete data.

  1. 1 Oignons rouges

    Oignons rouges

    Côté Marché
    a NOVA 1 130 kcal 0 g sugar 6 g protein 10 g fat

    Also: Palm oil free · Vegan · Vegetarian

  2. 2 Oignons jaunes

    Oignons jaunes

    Marque Repère · 1
    a 40 kcal 5 g sugar 2.8 g protein 0 g fat
  3. 3 Oignons rouge

    Oignons rouge

    · 500 g
    a 40 kcal 5 g sugar 2.8 g protein 0 g fat
  4. 4 Oignons Rouge BIO village

    Oignons Rouge BIO village

    Bio Village
    a 40 kcal 5 g sugar 2.8 g protein 0 g fat
  5. 5 Licht scherpe uien

    Licht scherpe uien

    Albert heijn · 2 kg
    a NOVA 1 35 kcal 5.9 g sugar 1.9 g protein 0.1 g fat

    Also: Palm oil free · Vegan · Vegetarian

  6. 6 British Echalion Shallots

    British Echalion Shallots

    Tesco Finest · 400g
    a 24 kcal 3.3 g sugar 1.5 g protein 0.2 g fat

    Also: No additives

  7. 7 Sjalottløk

    Sjalottløk

    R Rema · 330 g
    a NOVA 1 24 kcal 3.3 g sugar 1.5 g protein 0.2 g fat

    Also: Palm oil free · Vegan · Vegetarian

  8. 8 Oignons rouges

    Oignons rouges

    a 18 kcal 1.3 g sugar 1.5 g protein 0 g fat
  9. 9 Échalote émincée

    Échalote émincée

    Anna's Best · 100 g
    a NOVA 1 41 kcal 7 g sugar 1.5 g protein 0.5 g fat

    Also: Palm oil free · Vegan · Vegetarian

  10. 10 Oignon émincé

    Oignon émincé

    Anna's Best · 100 g
    a NOVA 1 41 kcal 7 g sugar 1.5 g protein 0.5 g fat

    Also: Palm oil free · Vegan · Vegetarian

How we built this list

We ranked all published fresh onions 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 fresh onions rankings