Top 10 · Updated October 2026

Lowest-Calorie Mushrooms

The 10 lightest mushrooms products on this list range from 0.2 to 8 kcal per 100 g. The mushrooms with the fewest calories per 100 g, so you can compare energy density at a glance. We checked 420 mushrooms with complete data.

  1. 1 Mushrooms

    Mushrooms

    Asda · 250g
    NOVA 1 0 kcal 1.4 g sugar 0 g protein 0 g fat

    Also: Palm oil free · Vegan · Vegetarian

  2. 2 Mushrooms

    Mushrooms

    Lidl · 650g
    4 kcal

    Also: No additives

  3. 3 Chestnut Mushrooms

    Chestnut Mushrooms

    Lidl · 250 g
    a NOVA 1 8 kcal 0.3 g sugar 1 g protein 0.2 g fat

    Also: Palm oil free · Vegan · Vegetarian

  4. 4 Chesnut Mushrooms

    Chesnut Mushrooms

    Sainsbury's · 300 g
    a 8 kcal 0.5 g sugar 10 g protein 0.5 g fat

    Also: No additives

  5. 5 Large Flat Mushrooms

    Large Flat Mushrooms

    Farrell's · 250g
    a 8 kcal 0.3 g sugar 1 g protein 0.2 g fat

    Also: No additives

  6. 6 Baby Button Mushrooms

    Baby Button Mushrooms

    Tesco
    a 8 kcal 0.3 g sugar 1 g protein 0.2 g fat
  7. 7 British Closed Cup Mushrooms

    British Closed Cup Mushrooms

    Tesco · 400 g
    a 8 kcal 0.3 g sugar 1 g protein 0.2 g fat

    Also: Vegan · Vegetarian · No additives

  8. 8 Mushrooms

    Mushrooms

    Marks & Spencer · 300g
    a 8 kcal 0.3 g sugar 1 g protein 0.2 g fat
  9. 9 Vitamin D Chestnut Mushrooms

    Vitamin D Chestnut Mushrooms

    Morrisons
    a NOVA 1 8 kcal 0.3 g sugar 1 g protein 0.2 g fat

    Also: Palm oil free · Vegan · Vegetarian

  10. 10 British Chestnut Mushrooms

    British Chestnut Mushrooms

    M&S · 300g
    a 8 kcal 0.3 g sugar 1 g protein 0.2 g fat

    Also: No additives

How we built this list

We ranked all published mushrooms 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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