Corn Nutrition Facts

Complete corn nutrition breakdown with 86 kcal per 100g, glycemic index, and diet compatibility.

Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Aug 10, 2026

86

Calories

3.3g

Protein

18.7g

Carbs

Generally yes

Is it healthy?

per 100g · per panel values

Track this food in Victura

Quick answer

A 100g serving of corn provides about 86 kcal. Per 100g you get about 18.7g carbs and 3.27g protein. Glycemic index is around 52.

Corn is a whole food with approximately 86 calories per 100g, tracked in Victura for macro-aware meal logging.

Calories (100g serving)
86 kcal
Carbs (100g)
18.7g
Protein (100g)
3.27g
Serving reference
100g · 100g serving
Glycemic index
52
Corn food photo
Corn — real food photo
Corn portion size visual
Portion size
Corn calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkCorn?

86

Calories

3.3g

Protein

18.7g

Carbs

1.4g

Fat

Nutrition facts

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

86 kcal

Calories

Protein3.3g
Carbohydrates18.7g
Fat1.4g
Fiber2.0g
Sugar6.3g
Glycemic index52medium

Vitamins

  • Vitamin C: 6.8mg

Minerals

  • Potassium: 270mg

Scientific explanation

Research-backed

Corn provides approximately 86 kcal per 100g with 3.27g of protein, 18.7g of carbohydrates, and 1.35g of fat. Dietary fiber is 2.0g per 100g, while the sugar content stands at 6.26g. The glycemic index of sweet yellow corn is estimated at 52, placing it in the low-to-medium range. This profile makes corn a unique carbohydrate source that offers both quick-release energy and essential micronutrients. Sourced from USDA FoodData Central, these values reflect raw sweet yellow corn. The presence of dietary fiber helps slow down the absorption of its natural sugars, preventing rapid spikes in blood glucose levels when consumed in moderate portions as part of a balanced meal.

Community insights

Community insight

Among Victura meal logs, corn appears frequently as a versatile ingredient, ranging from a simple backyard grilled side dish to a vibrant addition in salads, salsas, and morning bowls. Many users log sweet corn as a portable snack or a natural sweetener in complex recipes. A common trend among our community members is pairing corn with healthy fats (like avocado or olive oil) or lean proteins (such as grilled chicken or black beans). This culinary practice is highly recommended by nutritionists, as the addition of fats and proteins further blunts the glycemic response, resulting in sustained energy levels and prolonged satiety compared to eating corn in isolation on an empty stomach.

Pros

  • Corn is a whole food with measurable macro nutrients
  • Rich in essential antioxidants like lutein and zeaxanthin

Cons

  • Portion size still matters for calorie goals
  • Relatively high in carbohydrates compared to leafy greens

Best time to eat

Pair with protein and fiber for balanced meals.

Good windows

  • With main meals
  • Pre-workout

Consider avoiding

  • Very large portions without activity

Diet compatibility

Weight loss

Friendly

At 86 kcal and 2.0g fiber per 100g, this food fits calorie-conscious plans.

Keto

Use caution

Net carbs ~16.7g per 100g - too high-carb for standard keto.

Diabetic friendly

Friendly

GI 52 with 6.3g sugar - generally blood-sugar friendly in moderation.

Frequently asked questions

Yes — a corn is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 52.

People also ask

  • Is a corn healthy?

    Yes — a corn is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals. Estimated GI is 52.

  • Can I eat a corn every day?

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

  • Are Corns good for weight loss?

    At 86 kcal and 2.0g fiber per 100g, this food fits calorie-conscious plans.

  • How many calories are in a corn?

    A typical medium serving of corn has about 86 calories, while 100g contains about 86 calories (USDA reference).

  • Are Corns good before a workout?

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

  • Are Corns high in sugar?

    Corns contain about 6.3g sugar per 100g — mostly natural sugars when whole.

  • Is corn good for weight loss?

    Yes, corn is highly suitable for weight loss when eaten in moderation. Its 2.0g of fiber per 100g promotes satiety, helping to curb cravings and prevent overeating later in the day. To maximize weight loss benefits, enjoy corn steamed, boiled, or grilled without adding excessive butter or oils.

  • Is corn keto-friendly?

    No, corn is generally not considered keto-friendly. With approximately 16.7g of net carbohydrates per 100g, a single serving of corn can easily consume a large portion of your daily carbohydrate limit on a strict ketogenic diet. Those on keto should opt for lower-carb vegetable alternatives.

  • What is the glycemic index of corn?

    The glycemic index (GI) of sweet yellow corn is estimated to be 52, which falls into the low-to-medium category. This means it has a moderate impact on blood glucose levels. To minimize the glycemic response even further, you can pair corn with healthy fats, fiber-rich vegetables, or lean proteins.

  • Is corn safe for people with diabetes?

    Yes, corn is safe for people with diabetes when consumed in controlled portions. With a glycemic index of 52 and 6.26g of natural sugar per 100g, it does not cause rapid blood sugar spikes if managed properly. Diabetics should count the carbohydrates in corn as part of their meal plan and pair it with protein or fat.

  • How many calories does corn have?

    According to USDA FoodData Central, sweet yellow corn contains 86 calories (kcal) per 100g serving. A typical medium ear of corn yields about 103g of edible kernels, which equates to roughly 89 calories. This moderate calorie profile makes it a highly versatile whole food for various dietary patterns.

How we review this guide

Written by
Victura Nutrition Team
Reviewed by
Victura Editorial Review
Reference sources
4
Last updated
Aug 10, 2026

Revision & correction policy

References

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

Ready to track your meals with AI?

Victura scans your plate, logs macros automatically, and coaches you toward your goals — halal, keto, diabetic-friendly, and more.