Zucchini Nutrition Facts

Complete zucchini nutrition breakdown with 17 kcal per 100g, glycemic index, and diet compatibility.

Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 20, 2026

17

Calories

1.2g

Protein

3.1g

Carbs

Use caution

Is it healthy?

per 100g · per panel values

Track this food in Victura

Quick answer

A 100g serving of zucchini provides about 17 kcal. Per 100g you get about 3.11g carbs and 1.21g protein. Glycemic index is around 15.

Zucchini is a whole food with approximately 17 calories per 100g, tracked in Victura for macro-aware meal logging.

Calories (100g serving)
17 kcal
Carbs (100g)
3.11g
Protein (100g)
1.21g
Serving reference
100g · 100g serving
Glycemic index
15
Zucchini food photo
Zucchini — real food photo
Zucchini portion size visual
Portion size
Zucchini calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkZucchini?

17

Calories

1.2g

Protein

3.1g

Carbs

0.3g

Fat

Nutrition facts

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

17 kcal

Calories

Protein1.2g
Carbohydrates3.1g
Fat0.3g
Fiber1.0g
Sugar2.5g
Glycemic index15low

Vitamins

  • Vitamin C: 17.9mg

Minerals

  • Potassium: 261mg

Scientific explanation

Research-backed

Zucchini provides approximately 17 kcal per 100g with 1.2g protein, 3.1g carbohydrates, and 0.3g fat. Dietary fiber is 1.0g 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, zucchini 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

  • Zucchini 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

Use caution

At 17 kcal and 1.0g fiber per 100g, this food is energy-dense - watch portions.

Keto

Friendly

Net carbs ~2.1g per 100g - compatible with strict keto.

Diabetic friendly

Friendly

GI 15 with 2.5g sugar - generally blood-sugar friendly in moderation.

Frequently asked questions

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

People also ask

  • Is a zucchini healthy?

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

  • Can I eat a zucchini every day?

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

  • Are Zucchinis good for weight loss?

    At 17 kcal and 1.0g fiber per 100g, this food is energy-dense - watch portions.

  • How many calories are in a zucchini?

    A typical medium serving of zucchini has about 17 calories, while 100g contains about 17 calories (USDA reference).

  • Are Zucchinis good before a workout?

    Zucchinis can work before activity when you want easy carbs; pair a zucchini with protein if your session is long.

  • Are Zucchinis high in sugar?

    Zucchinis contain about 2.5g sugar per 100g — mostly natural sugars when whole.

  • Is zucchini good for weight loss?

    At 17 kcal and 1.0g fiber per 100g, this food is energy-dense - watch portions.

  • Is zucchini keto-friendly?

    Net carbs ~2.1g per 100g - compatible with strict keto.

  • What is the glycemic index of zucchini?

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

  • Is zucchini safe for people with diabetes?

    GI 15 with 2.5g sugar - generally blood-sugar friendly in moderation.

  • How many calories does zucchini have?

    Raw zucchini contains 17 calories (kcal) per 100g. Because of this exceptionally low energy density, a typical medium-sized zucchini contains only about 33 calories, making it an ideal volume food for calorie-controlled diets.

How we review this guide

Written by
Victura Nutrition Team
Reviewed by
Victura Editorial Review
Reference sources
4
Last updated
Jul 20, 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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