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

How healthy is sugar?

Is sugar healthy? It is a sweetener, best used in small amounts. Sugar scores 1/100 on the HowHealthyIs Score: 100 g provides 387 kcal. Table sugar is pure sucrose: energy with no vitamins, minerals or fiber. Source: USDA FoodData Central.

  • Contains added sugar
  • Calorie-dense
  • Low fat
Score explained

The score compares nutrient density per 100 kcal across every food we cover (NRF9.3 method). Sugar ranks higher than 1% of them.

Counts in favor (% daily value per 100 kcal)

  • Iron0%
  • Calcium0%
  • Potassium0%
  • Protein0%
  • Fiber0%
  • Vitamin A0%
  • Vitamin C0%
  • Vitamin E0%
  • Magnesium0%

Counts against

  • Saturated fat0%
  • Added sugars52%
  • Sodium0%

Raw NRF9.3: 0 minus 52 = -51. 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 sugar?

Calories16kcal
Protein0g
Carbohydrates4.2g
Fat0g
Fiber0g
Sugars4.2g
Nutrition facts for sugar. Per 100 g and for the selected portion (4.2 g). %DV uses FDA Daily Values.
NutrientPer 100 gPer portion%DV
Energy and macronutrients
Calories387 kcal16 kcal
Protein0 g0 g0%
Carbohydrates100 g4.2 g2%
Fiber0 g0 g0%
Sugars100 g4.2 g
Added sugars100 g4.2 g8%
Fat0 g0 g0%
Saturated fat0 g0 g0%
Vitamins
Vitamin A0 µg0 µg0%
Vitamin C0 mg0 mg0%
Vitamin E0 mg0 mg0%
Minerals
Calcium1 mg<0.1 mg0%
Iron<0.1 mg<0.1 mg0%
Potassium2 mg<0.1 mg0%
Magnesium0 mg0 mg0%
Sodium1 mg<0.1 mg0%

Source: USDA FoodData Central, "Sugars, granulated" (FDC 169655). Values rounded.

Why is sugar good for you?

A typical portion does not supply 10% or more of the daily value for any of the nine nutrients we score.

Good ways to use it

  • Small amounts for flavor
  • Cutting back gradually in drinks

What should you watch out for?

  • WHO advises keeping added and free sugars under 10% of daily energy, ideally under 5%.

What can you eat instead of sugar?

Foods you can use the same way with a higher HowHealthyIs Score.

How does sugar compare?

Common questions about sugar

How many calories are in sugar?
100 g of sugar has 387 kcal. A typical portion, 1 tsp (4.2 g), has about 16 kcal.
How much protein is in sugar?
Sugar has 0 g of protein per 100 g, or about 0 g in 1 tsp.
Is sugar good for weight loss?
Sugar is fairly calorie-dense (387 kcal per 100 g), so portion size matters more than the food itself. 1 tsp is about 16 kcal.

Sources

  1. U.S. Department of Agriculture. FoodData Central, SR Legacy: "Sugars, granulated", FDC ID 169655. 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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