Kefir vs Regular Yogurt: Calories and Nutrition Compared (2026)

Kefir contains 3.8 g of protein and 43 calories per 100 g, while regular yogurt has 5.3 g of protein and 63 calories. Regular yogurt is higher in protein and calories.

Kefir and regular yogurt are both popular dairy products known for their probiotic benefits. This comparison highlights their nutritional differences per 100 g.

What Is the Difference Between Kefir and Regular Yogurt?

Kefir is a fermented milk drink made from kefir grains, which contain a mixture of bacteria and yeast. It is known for its tangy flavor and probiotic properties. Regular yogurt is a dairy product produced by fermenting milk with specific bacterial cultures. It is commonly consumed plain or flavored and is rich in probiotics.

Kefir vs Regular Yogurt: Nutrition Side by Side

Below is a side-by-side comparison of the nutritional content of kefir and regular yogurt.

Nutrient (per 100 g)	Kefir (plain, low-fat)	Yogurt (plain, low-fat)
Calories	43 kcal	63 kcal
Protein	3.8 g	5.3 g
Carbs	4.8 g	7.0 g
Sugar	4.6 g	7.0 g
Fat	1.0 g	1.6 g
Fiber	0 g	0 g
Sodium	40 mg	70 mg

Which Is Better, Kefir or Regular Yogurt?

For weight loss: Kefir has 43 calories per 100 g, while regular yogurt has 63 calories. Therefore, kefir is lower in calories.

For muscle and protein: Regular yogurt contains 5.3 g of protein, while kefir has 3.8 g. Thus, regular yogurt is higher in protein.

For low-carb or low-sugar: Kefir has 4.8 g of carbs and 4.6 g of sugar, while regular yogurt has 7.0 g of carbs and 7.0 g of sugar. Kefir is lower in both carbs and sugar.

How to Track Kefir and Regular yogurt Accurately

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How We Compiled These Numbers

The numbers provided are rounded reference values for educational use and should not be considered medical advice. Always consult a healthcare professional for dietary guidance. Values are per 100 g from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which has more protein?

Regular yogurt has 5.3 g of protein, while kefir has 3.8 g of protein. Therefore, regular yogurt has more protein.

Which has fewer calories?

Kefir has 43 calories per 100 g, while regular yogurt has 63 calories. Thus, kefir has fewer calories.

What is the sugar content in kefir?

Kefir contains 4.6 g of sugar per 100 g. This is lower than the sugar content in regular yogurt.

What is the fat content in regular yogurt?

Regular yogurt has 1.6 g of fat per 100 g. This is slightly higher than the fat content in kefir.

How much sodium is in kefir?

Kefir contains 40 mg of sodium per 100 g. This is lower than the sodium content in regular yogurt.

What are the carbohydrate levels in regular yogurt?

Regular yogurt contains 7.0 g of carbohydrates per 100 g. This is higher than the carbohydrate content in kefir.

Key Takeaways

• Kefir: 43 calories per 100 g.
• Regular yogurt: 63 calories per 100 g.
• Kefir: 3.8 g of protein per 100 g.
• Regular yogurt: 5.3 g of protein per 100 g.
• Kefir: 4.6 g of sugar per 100 g.
• Regular yogurt: 7.0 g of sugar per 100 g.