Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Popcorn vs Flaxseed: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Popcorn is generally healthier

Popcorn comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (387 vs 534), less sugar (1.1g vs 1.6g), less sodium (2mg vs 30mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Popcorn

387 kcal

More Protein

Flaxseed

18g

More Fiber

Flaxseed

27g

Less Sugar

Popcorn

1.1g

Visual Comparison

Caloriesper 100g
Popcorn
387
Flaxseed
534
Proteinper 100g
Popcorn
3.5g
Flaxseed
18g
Carbohydratesper 100g
Popcorn
77g
Flaxseed
29g
Fatper 100g
Popcorn
4.5g
Flaxseed
42g

Side-by-Side Nutrition Table

NutrientPopcornFlaxseedDifference
Calories387kcal534kcal-147.0kcal
Protein3.5g18g-14.5g
Carbohydrates77g29g+48.0g
Fat4.5g42g-37.5g
Fiber15g27g-12.0g
Sugar1.1g1.6g-0.5g
Sodium2mg30mg-28.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Popcorn

Per 100g:387 calories
Per cup (150g):581 calories
Per serving (85g):329 calories

Flaxseed

Per 100g:534 calories
Per cup (150g):801 calories
Per serving (85g):454 calories

Diet Compatibility

Popcorn

VeganVegetarianLow-Sodium

Flaxseed

High-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Popcorn

  • Lower in calories (387 vs 534)
  • Less sugar (1.1g vs 1.6g)
  • Lower sodium (2mg vs 30mg)

Common Uses

Between mealsMovie nightsPartiesTravel food
View full Popcorn nutrition →

When to Choose Flaxseed

  • Higher in protein (18g vs 3.5g)
  • More fiber (27g vs 15g)
  • Lower in carbs (29g vs 77g)

Common Uses

SnackingToppingsTrail mixBaking
View full Flaxseed nutrition →

Popcorn vs Flaxseed: Nutritional Analysis

Flaxseed is more calorie-dense at 534 calories per 100g compared to 387 for Popcorn, a difference of 147 calories. On the protein front, Flaxseed delivers more with 18g per 100g versus 3.5g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Popcorn and Flaxseed tell different nutritional stories. Popcorn provides 77g of carbohydrates, 4.5g of fat, and 15g of fiber per 100g, while Flaxseed contains 29g carbs, 42g fat, and 27g fiber. The higher fiber content in Flaxseed supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Popcorn contains 1.1g while Flaxseed has 1.6g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Popcorn is the lower-calorie choice at 387 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Flaxseed provides more protein (18g/100g), supporting muscle repair and growth.
  • For sustained energy: Flaxseed offers more fiber (27g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Popcorn or Flaxseed?

Flaxseed has more calories with 534 kcal per 100g, compared to Popcorn with 387 kcal. That's a difference of 147 calories per 100g serving.

Is Popcorn healthier than Flaxseed?

Based on our nutritional analysis, Popcorn is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Popcorn has 387 calories, 3.5g protein, and 15g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Popcorn and Flaxseed?

Flaxseed has more protein with 18g per 100g, compared to Popcorn with 3.5g. Flaxseed provides 14.5g more protein per 100g serving.

Which is better for weight loss, Popcorn or Flaxseed?

For weight loss, Popcorn is the better choice with only 387 calories per 100g compared to 534 calories in Flaxseed. Flaxseed also offers 27g of fiber per 100g, which helps you feel fuller longer.

Does Popcorn or Flaxseed have fewer carbs?

Flaxseed has fewer carbs with 29g per 100g, compared to Popcorn with 77g. If you're following a low-carb diet, Flaxseed is the better option with 48.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.