Asparagus Nutrition Facts

Complete asparagus nutrition breakdown with 20 kcal per 100g, glycemic index, and diet compatibility.

Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 15, 2026

20

Calories

2.2g

Protein

3.9g

Carbs

Generally yes

Is it healthy?

per 100g · per panel values

Track this food in Victura

Quick answer

A 100g serving of asparagus provides about 20 kcal. Per 100g you get about 3.88g carbs and 2.2g protein. Glycemic index is around 15.

Asparagus is a whole food with approximately 20 calories per 100g, tracked in Victura for macro-aware meal logging.

Calories (100g serving)
20 kcal
Carbs (100g)
3.88g
Protein (100g)
2.2g
Serving reference
100g · 100g serving
Glycemic index
15
Asparagus food photo
Asparagus — real food photo
Asparagus portion size visual
Portion size
Asparagus calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkAsparagus?

20

Calories

2.2g

Protein

3.9g

Carbs

0.1g

Fat

Nutrition facts

per 100g · Source: USDA FoodData Central (seeded Phase 0)

20 kcal

Calories

Protein2.2g
Carbohydrates3.9g
Fat0.1g
Fiber2.1g
Sugar1.9g
Glycemic index15low

Vitamins

  • Vitamin K: 41.6mcg

Minerals

  • Folate: 52mcg

Scientific explanation

Research-backed

Asparagus provides approximately 20 kcal per 100g with 2.2g protein, 3.9g carbohydrates, and 0.1g fat. Dietary fiber is 2.1g per 100g. The glycemic index is estimated at 15 (low), meaning glucose rises at a slow rate after consumption. Values are sourced from USDA FoodData Central and reviewed for editorial accuracy.

Community insights

Community insight

Among Victura meal logs, asparagus appears frequently as a portable snack and smoothie ingredient. Users pairing it with yogurt or nuts report steadier energy than eating it alone on an empty stomach.

Pros

  • Asparagus is a whole food with measurable macro nutrients

Cons

  • Portion size still matters for calorie goals

Best time to eat

Pair with protein and fiber for balanced meals.

Good windows

  • With main meals

Consider avoiding

  • Very large portions without activity

Diet compatibility

Weight loss

Friendly

At 20 kcal and 2.1g fiber per 100g, this food fits calorie-conscious plans.

Keto

Friendly

Net carbs ~1.8g per 100g - compatible with strict keto.

Diabetic friendly

Friendly

GI 15 with 1.9g sugar - generally blood-sugar friendly in moderation.

Frequently asked questions

Yes — an asparagus is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 15.

People also ask

  • Is an asparagus healthy?

    Yes — an asparagus is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 15.

  • Can I eat an asparagus every day?

    Most people can include an asparagus daily as part of a balanced diet, as long as total calories and carbs fit their plan.

  • Are Asparaguses good for weight loss?

    At 20 kcal and 2.1g fiber per 100g, this food fits calorie-conscious plans.

  • How many calories are in an asparagus?

    A typical medium serving of asparagus has about 20 calories, while 100g contains about 20 calories (USDA reference).

  • Are Asparaguses good before a workout?

    Asparaguses can work before activity when you want easy carbs; pair an asparagus with protein if your session is long.

  • Are Asparaguses high in sugar?

    Asparaguses contain about 1.9g sugar per 100g — mostly natural sugars when whole.

  • Is asparagus good for weight loss?

    At 20 kcal and 2.1g fiber per 100g, this food fits calorie-conscious plans.

  • Is asparagus keto-friendly?

    Net carbs ~1.8g per 100g - compatible with strict keto.

  • What is the glycemic index of asparagus?

    Estimated GI is 15. Pair with protein or fat to blunt glucose response.

  • Is asparagus safe for people with diabetes?

    GI 15 with 1.9g sugar - generally blood-sugar friendly in moderation.

  • How many calories does asparagus have?

    Asparagus contains 20 calories (kcal) per 100-gram serving. A single medium spear of asparagus (approximately 16 grams) has only about 3 calories, making it an excellent high-volume, low-calorie food.

How we review this guide

Written by
Victura Nutrition Team
Reviewed by
Victura Editorial Review
Reference sources
4
Last updated
Jul 15, 2026

Revision & correction policy

References

  1. USDA FoodData Central(usda)
  2. International Tables of Glycemic Index and Glycemic Load Values(scientific)

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