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

Big Mac 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?

Flaxseed is generally healthier

Flaxseed comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has more protein (18g vs 13g), more fiber (27g vs 1.2g), less sugar (1.6g vs 5.2g), less sodium (30mg vs 480mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Big Mac

257 kcal

More Protein

Flaxseed

18g

More Fiber

Flaxseed

27g

Less Sugar

Flaxseed

1.6g

Visual Comparison

Caloriesper 100g
Big Mac
257
Flaxseed
534
Proteinper 100g
Big Mac
13g
Flaxseed
18g
Carbohydratesper 100g
Big Mac
25g
Flaxseed
29g
Fatper 100g
Big Mac
13g
Flaxseed
42g

Side-by-Side Nutrition Table

NutrientBig MacFlaxseedDifference
Calories257kcal534kcal-277.0kcal
Protein13g18g-5.0g
Carbohydrates25g29g-4.0g
Fat13g42g-29.0g
Fiber1.2g27g-25.8g
Sugar5.2g1.6g+3.6g
Sodium480mg30mg+450.0mg

Serving Size Comparison

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

Big Mac

Per 100g:257 calories
Per cup (150g):386 calories
Per serving (85g):218 calories

Flaxseed

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

Diet Compatibility

Big Mac

No specific diet tags

Flaxseed

High-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Big Mac

  • Lower in calories (257 vs 534)
  • Lower in carbs (25g vs 29g)

Common Uses

Quick mealsDining outSocial eatingConvenience
View full Big Mac nutrition →

When to Choose Flaxseed

  • Higher in protein (18g vs 13g)
  • More fiber (27g vs 1.2g)
  • Less sugar (1.6g vs 5.2g)
  • Lower sodium (30mg vs 480mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Flaxseed nutrition →

Big Mac vs Flaxseed: Nutritional Analysis

Flaxseed is more calorie-dense at 534 calories per 100g compared to 257 for Big Mac, a difference of 277 calories. On the protein front, Flaxseed delivers more with 18g per 100g versus 13g, 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 Big Mac and Flaxseed tell different nutritional stories. Big Mac provides 25g of carbohydrates, 13g of fat, and 1.2g 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: Big Mac contains 5.2g 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: Big Mac is the lower-calorie choice at 257 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, Big Mac or Flaxseed?

Flaxseed has more calories with 534 kcal per 100g, compared to Big Mac with 257 kcal. That's a difference of 277 calories per 100g serving.

Is Big Mac healthier than Flaxseed?

Based on our nutritional analysis, Flaxseed is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Flaxseed has 534 calories, 18g protein, and 27g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Big Mac and Flaxseed?

Flaxseed has more protein with 18g per 100g, compared to Big Mac with 13g. Flaxseed provides 5.0g more protein per 100g serving.

Which is better for weight loss, Big Mac or Flaxseed?

For weight loss, Big Mac is the better choice with only 257 calories per 100g compared to 534 calories in Flaxseed. Flaxseed also offers 27g of fiber per 100g, which helps you feel fuller longer.

Does Big Mac or Flaxseed have fewer carbs?

Big Mac has fewer carbs with 25g per 100g, compared to Flaxseed with 29g. If you're following a low-carb diet, Big Mac is the better option with 4.0g 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.