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

Skim Milk 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 3.4g), more fiber (27g vs 0g), less sugar (1.6g vs 5g), less sodium (30mg vs 42mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Skim Milk

34 kcal

More Protein

Flaxseed

18g

More Fiber

Flaxseed

27g

Less Sugar

Flaxseed

1.6g

Visual Comparison

Caloriesper 100g
Skim Milk
34
Flaxseed
534
Proteinper 100g
Skim Milk
3.4g
Flaxseed
18g
Carbohydratesper 100g
Skim Milk
5g
Flaxseed
29g
Fatper 100g
Skim Milk
0.1g
Flaxseed
42g

Side-by-Side Nutrition Table

NutrientSkim MilkFlaxseedDifference
Calories34kcal534kcal-500.0kcal
Protein3.4g18g-14.6g
Carbohydrates5g29g-24.0g
Fat0.1g42g-41.9g
Fiber0g27g-27.0g
Sugar5g1.6g+3.4g
Sodium42mg30mg+12.0mg

Serving Size Comparison

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

Skim Milk

Per 100g:34 calories
Per cup (150g):51 calories
Per serving (85g):29 calories

Flaxseed

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

Diet Compatibility

Skim Milk

Low-CarbLow-CalorieVegetarianLow-Sodium

Flaxseed

High-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Skim Milk

  • Lower in calories (34 vs 534)
  • Lower in carbs (5g vs 29g)

Common Uses

BreakfastSnacksCooking ingredientPost-workout
View full Skim Milk nutrition →

When to Choose Flaxseed

  • Higher in protein (18g vs 3.4g)
  • More fiber (27g vs 0g)
  • Less sugar (1.6g vs 5g)
  • Lower sodium (30mg vs 42mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Flaxseed nutrition →

Skim Milk vs Flaxseed: Nutritional Analysis

Flaxseed is more calorie-dense at 534 calories per 100g compared to 34 for Skim Milk, a difference of 500 calories. On the protein front, Flaxseed delivers more with 18g per 100g versus 3.4g, 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 Skim Milk and Flaxseed tell different nutritional stories. Skim Milk provides 5g of carbohydrates, 0.1g of fat, and 0g 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: Skim Milk contains 5g 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: Skim Milk is the lower-calorie choice at 34 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, Skim Milk or Flaxseed?

Flaxseed has more calories with 534 kcal per 100g, compared to Skim Milk with 34 kcal. That's a difference of 500 calories per 100g serving.

Is Skim Milk 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 Skim Milk and Flaxseed?

Flaxseed has more protein with 18g per 100g, compared to Skim Milk with 3.4g. Flaxseed provides 14.6g more protein per 100g serving.

Which is better for weight loss, Skim Milk or Flaxseed?

For weight loss, Skim Milk is the better choice with only 34 calories per 100g compared to 534 calories in Flaxseed. Flaxseed also offers 27g of fiber per 100g, which helps you feel fuller longer.

Does Skim Milk or Flaxseed have fewer carbs?

Skim Milk has fewer carbs with 5g per 100g, compared to Flaxseed with 29g. If you're following a low-carb diet, Skim Milk is the better option with 24.0g 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.