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  4. Fiddlehead ferns

Fiddlehead ferns have 34 kcal per 100 g. The tightly coiled young fronds of certain ferns. A spring delicacy — must be cooked before eating.

About this food

How should I track Fiddlehead ferns?

For consistent tracking of Fiddlehead ferns, weigh it raw. Cooking method changes both weight and calorie density — steaming barely changes anything, but roasting with oil or frying can double the calories. A systematic review (Whitton et al., Adv Nutr 2022) found vegetables are omitted from food logs 2–85% of the time, often because people assume they are "free" calorically. While most vegetables are indeed low-calorie, the fats added during cooking are not. Log the oil, butter, or dressing separately to keep your tracking accurate.

Macro Breakdown

Macro Split: 42% Protein, 50% Carbs, 8% FatCarbs50%
Protein42%4.6g
Carbs50%5.5g
Fat8%0.4g

Nutrition Facts

Per 100g. Percentages reflect Daily Value (DV).

Energy
  • Calories
    34kcal—
Macronutrients
  • Protein
    4.6g9%
  • Carbohydrates
    5.5g—
  • Fat
    0.4g—
  • Fiberathlete
    0.0g0%
  • Sugar
    0.0g—
  • Saturated Fat
    0.0g—
Minerals
  • Sodium
    1mg—
  • Calciumathlete
    32mg2%
  • Ironathlete
    1mg7%
Vitamins
  • Vitamin Dathlete
    0.0mcg0%

% Daily Value based on FDA 2,000 kcal reference diet. Strength trainees have different needs — see highlighted nutrients.

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Fiddlehead ferns — values for 100g

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Primary macros

Calories
34
kcal
Protein
4.6
g
Carbs
5.5
g
Fat
0.4
g

More nutrients

Fiber
0.0g
Sugar
0.0g
Sat. Fat
0.0g
Sodium
1mg
Calcium
32mg
Iron
1mg
Potassium
370mg
Magnesium
34mg
Zinc
1mg
Vitamin D
0.0mcg

Frequently Asked Questions

For consistent tracking of Fiddlehead ferns, weigh it raw. Cooking method changes both weight and calorie density — steaming barely changes anything, but roasting with oil or frying can double the calories. A systematic review (Whitton et al., Adv Nutr 2022) found vegetables are omitted from food logs 2–85% of the time, often because people assume they are "free" calorically. While most vegetables are indeed low-calorie, the fats added during cooking are not. Log the oil, butter, or dressing separately to keep your tracking accurate.

Fiddlehead ferns contains 4.6g protein per 100g, which is lower in protein. A 100g serving provides 4.6g protein.

Yes, Fiddlehead ferns can support weight loss. At 34 kcal per 100g it is low in calorie density, allowing larger portions for fewer calories.

Fiddlehead ferns can fit into a keto diet in moderate amounts. At 5.5g net carbs per 100g, smaller portions can stay within the daily limit.

Fiddlehead ferns provides 34 kcal, 4.6g protein, 5.5g carbs, and 0.4g fat per 100g. Compare with other vegetables foods in our database to find the best option for your nutritional goals.

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Vegetables

Fiddlehead ferns

Macros per 100g

34
Calories
Protein4.6g
Fat0.4g
Carbs5.5g
Article research basis
1,316Papers Analyzed
4,659Foods in Database
100%Peer-Reviewed Sources
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Reviewed by Calibr8

Peer-reviewed data · Last updated March 17, 2026

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