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

Sour Cream vs Whey Protein: 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?

Both foods have similar nutritional profiles

Both foods have similar nutritional profiles with each winning in different categories. Your choice should depend on your specific dietary goals and preferences. Sour Cream has 193 calories while Whey Protein has 417 calories per 100g.

Quick Summary

Fewer Calories

Sour Cream

193 kcal

More Protein

Whey Protein

97g

More Fiber

Sour Cream

0g

Less Sugar

Whey Protein

0g

Visual Comparison

Caloriesper 100g
Sour Cream
193
Whey Protein
417
Proteinper 100g
Sour Cream
3.4g
Whey Protein
97g
Carbohydratesper 100g
Sour Cream
3.9g
Whey Protein
0g
Fatper 100g
Sour Cream
20g
Whey Protein
2g

Side-by-Side Nutrition Table

NutrientSour CreamWhey ProteinDifference
Calories193kcal417kcal-224.0kcal
Protein3.4g97g-93.6g
Carbohydrates3.9g0g+3.9g
Fat20g2g+18.0g
Fiber0g0g0.0g
Sugar3.9g0g+3.9g
Sodium28mg320mg-292.0mg

Serving Size Comparison

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

Sour Cream

Per 100g:193 calories
Per cup (150g):290 calories
Per serving (85g):164 calories

Whey Protein

Per 100g:417 calories
Per cup (150g):626 calories
Per serving (85g):354 calories

Diet Compatibility

Sour Cream

KetoLow-CarbVegetarianLow-Sodium

Whey Protein

Low-CarbHigh-ProteinVegetarian

When to Choose Sour Cream

  • Lower in calories (193 vs 417)
  • More fiber (0g vs 0g)
  • Lower sodium (28mg vs 320mg)

Common Uses

BreakfastSnacksCooking ingredientPost-workout
View full Sour Cream nutrition →

When to Choose Whey Protein

  • Higher in protein (97g vs 3.4g)
  • Lower in carbs (0g vs 3.9g)
  • Less sugar (0g vs 3.9g)

Common Uses

BreakfastSnacksCooking ingredientPost-workout
View full Whey Protein nutrition →

Sour Cream vs Whey Protein: Nutritional Analysis

Whey Protein is more calorie-dense at 417 calories per 100g compared to 193 for Sour Cream, a difference of 224 calories. On the protein front, Whey Protein delivers more with 97g 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 Sour Cream and Whey Protein tell different nutritional stories. Sour Cream provides 3.9g of carbohydrates, 20g of fat, and 0g of fiber per 100g, while Whey Protein contains 0g carbs, 2g fat, and 0g fiber. Sugar content also differs: Sour Cream contains 3.9g while Whey Protein has 0g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Sour Cream is the lower-calorie choice at 193 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Whey Protein provides more protein (97g/100g), supporting muscle repair and growth.
  • For sustained energy: Sour Cream offers more fiber (0g/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, Sour Cream or Whey Protein?

Whey Protein has more calories with 417 kcal per 100g, compared to Sour Cream with 193 kcal. That's a difference of 224 calories per 100g serving.

Is Sour Cream healthier than Whey Protein?

Sour Cream and Whey Protein have similar nutritional profiles, with each food winning in different categories. The healthier choice depends on your specific dietary goals and nutritional needs.

What is the protein difference between Sour Cream and Whey Protein?

Whey Protein has more protein with 97g per 100g, compared to Sour Cream with 3.4g. Whey Protein provides 93.6g more protein per 100g serving.

Which is better for weight loss, Sour Cream or Whey Protein?

For weight loss, Sour Cream is the better choice with only 193 calories per 100g compared to 417 calories in Whey Protein. Whey Protein also offers 0g of fiber per 100g, which helps you feel fuller longer.

Does Sour Cream or Whey Protein have fewer carbs?

Whey Protein has fewer carbs with 0g per 100g, compared to Sour Cream with 3.9g. If you're following a low-carb diet, Whey Protein is the better option with 3.9g 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.