I'm pretty sure you would be able to get this brand in America. It is low in lactose so it is easy on your stomach if you are not used to eating yoghurt.
Astro® BioBest® Lactose Reduced
Plain (125 g serving)
Calories 74
Protein 6 g
Fat 1.5 g
Saturated Fat 1 g
Carbs 9 g
Sugars 0
The sugar content of any yogurt or yoghurt will go up when you purchase the ones with fruit mixes. Stick to the plain varieties.
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KP -- Fitness Basics