Early version. Nutrient values from USDA FoodData Central; dietitian review in progress. Not medical advice.

How healthy is butternut squash?

Is butternut squash healthy? Yes, for most people. Butternut squash scores 95/100 on the HowHealthyIs Score: 100 g provides 45 kcal, 532 µg vitamin A and 21 mg vitamin C. Butternut squash is very rich in vitamin A (as beta-carotene) and adds fiber and potassium. Source: USDA FoodData Central.

  • High in vitamin A
  • Source of vitamin C
  • Low sugar
Score explained

The score compares nutrient density per 100 kcal across every food we cover (NRF9.3 method). Butternut squash ranks higher than 95% of them.

Counts in favor (% daily value per 100 kcal)

  • Vitamin A100%
  • Vitamin C52%
  • Vitamin E21%
  • Magnesium18%
  • Potassium17%
  • Fiber16%
  • Iron9%
  • Calcium8%
  • Protein4%

Counts against

  • Saturated fat0%
  • Added sugars0%
  • Sodium0%

Raw NRF9.3: 245 minus 1 = 244. The score is not a verdict on whether to eat a food; portion, the whole meal and your own health matter more. Full methodology

How many calories are in butternut squash?

Calories63kcal
Protein1.4g
Carbohydrates16g
Fat0.1g
Fiber2.8g
Sugars3.1g
Nutrition facts for butternut squash. Per 100 g and for the selected portion (140 g). %DV uses FDA Daily Values.
NutrientPer 100 gPer portion%DV
Energy and macronutrients
Calories45 kcal63 kcal
Protein1 g1.4 g3%
Carbohydrates12 g16 g6%
Fiber2 g2.8 g10%
Sugars2.2 g3.1 g
Added sugars0 g0 g0%
Fat0.1 g0.1 g0%
Saturated fat<0.1 g<0.1 g0%
Vitamins
Vitamin A532 µg745 µg83%
Vitamin C21 mg29 mg33%
Vitamin E1.4 mg2 mg13%
Minerals
Calcium48 mg67 mg5%
Iron0.7 mg1 mg5%
Potassium352 mg493 mg10%
Magnesium34 mg48 mg11%
Sodium4 mg5.6 mg0%

Source: USDA FoodData Central, "Squash, winter, butternut, raw" (FDC 169295). Values rounded.

Why is butternut squash good for you?

  • 745 µg vitamin A in 1 cup cubes, 83% of the daily value. Vitamin A contributes to the maintenance of normal vision.
  • 29 mg vitamin C in 1 cup cubes, 33% of the daily value. Vitamin C contributes to the normal function of the immune system.
  • 2 mg vitamin E in 1 cup cubes, 13% of the daily value. Vitamin E contributes to the protection of cells from oxidative stress.

Good ways to use it

  • Roasted sides and soups
  • Risotto and pasta

What should you watch out for?

  • Nothing notable for most people.

Which vegetables score higher?

Other vegetables with more nutrition per calorie. Variety matters more than picking one winner.

How does butternut squash compare?

Common questions about butternut squash

How many calories are in butternut squash?
100 g of butternut squash has 45 kcal. A typical portion, 1 cup cubes (140 g), has about 63 kcal.
How much protein is in butternut squash?
Butternut squash has 1 g of protein per 100 g, or about 1.4 g in 1 cup cubes.
Is butternut squash good for weight loss?
Butternut squash is low in calories (45 kcal per 100 g), so it adds volume to meals without many calories. No single food causes weight loss; the overall diet does.

Sources

  1. U.S. Department of Agriculture. FoodData Central, SR Legacy: "Squash, winter, butternut, raw", FDC ID 169295. fdc.nal.usda.gov
  2. U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels (21 CFR 101.9).
  3. Fulgoni VL, Keast DR, Drewnowski A. Development and validation of the Nutrient-Rich Foods Index. J Nutr. 2009;139(8):1549-1554.
  4. Monteiro CA, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutr. 2019;22(5):936-941.

Review and updates

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Pending. A registered dietitian signs off every food page before launch. Our reviewers

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More: Vegetables ranked, foods high in vitamin A.