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Milk based drinks

What is the difference between regular yogurt and Greek yogurt?

Quick answer

USDA data show plain whole-milk Greek yogurt has about 8.8 g of protein per 100 g, versus 3.8 g in plain whole-milk regular yogurt, and less lactose (2.6 g versus 3.3 g). Fat is about the same (4.4 g versus 4.5 g). Sugars are 3.2 g versus 4.1 g per 100 g.

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In this article
  1. How do Greek and regular yogurt compare?
  2. Which has more protein?
  3. Which has less sugar and lactose?
  4. Why the numbers differ

How do Greek and regular yogurt compare?

These are USDA FoodData Central values per 100 g for plain, whole-milk yogurt.

Per 100 g Regular, plain, whole milk Greek, plain, whole milk
Protein 3.82 g 8.78 g
Total fat 4.48 g 4.39 g
Total sugars 4.09 g 3.25 g
Lactose 3.35 g 2.61 g

USDA lists a 170 g portion for each, so multiply these figures by 1.7 for that portion (our calculation).

Which has more protein?

Greek yogurt. Its protein per 100 g is more than double that of regular yogurt in these entries. For plain nonfat Greek yogurt USDA lists 10.3 g protein, 0.37 g fat and 61 kcal per 100 g.

Which has less sugar and lactose?

Greek yogurt in these entries has less of both. That does not make it lactose-free. The NIDDK says yogurt is lower in lactose than many other milk products and that many people with lactose intolerance can have about 12 g of lactose without symptoms.

Why the numbers differ

We did not find a USDA or FDA page explaining how the two are made, so we only compare the listed values. Brands vary, and flavored yogurts add sugar. Read the Nutrition Facts label on the product you buy.

People also ask

What is the difference between Greek yogurt and regular yogurt?

Per 100 g of plain whole-milk yogurt, USDA lists 8.78 g protein for Greek versus 3.82 g for regular, with similar fat and lower sugar and lactose in Greek.

Does Greek yogurt have less sugar than regular yogurt?

In the USDA entries for plain whole-milk yogurt, yes: 3.25 g versus 4.09 g total sugars per 100 g. Flavored products can differ, so check the label.

Is Greek yogurt lower in lactose?

USDA lists 2.61 g lactose per 100 g for plain whole-milk Greek yogurt and 3.35 g for regular. It still contains lactose, so ask a doctor or dietitian if you are intolerant.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. USDA FoodData Central: Yogurt, plain, whole milk, read 5 Nov 2026
  2. USDA FoodData Central: Yogurt, Greek, plain, whole milk, read 5 Nov 2026
  3. USDA FoodData Central: Yogurt, Greek, plain, nonfat, read 5 Nov 2026
  4. NIDDK: Eating, Diet, & Nutrition for Lactose Intolerance, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Nov 27, 2025 · Updated Nov 5, 2026
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