in a comparison of low-fat greek yogurt and low-fat regular yogurt per hundred gram portions the low fat greek yogurt contains one hundred forty six calories twenty grams of protein four grams of fat eight grams of carbohydrates seven grams of sugar two hundred thirty milligrams of calcium two hundred eighty two milligrams of potassium and sixty eight milligrams of sodium meanwhile the low-fat regular yogurt has sixty three calories five grams of protein two grams of fat seven grams of carbohydrates seven grams of sugar one hundred eighty three milligrams of calcium two hundred thirty four milligrams of potassium and seventy milligrams of sodium