Check the ingredients. Lowfat and fat free cottage cheese have a lot of sodium. And here are the ingredients for fatfree Blue Bunny Yogurt:
INGREDIENTS: Contains:Ultra-Filtered Skim Milk, Flavor Base (Blueberries, Blueberry Flavor with Other Natural Flavors, Food Starch-Modified, Malic Acid, Sucralose, Potassium Sorbate as Preservative, Red 40, Blue 1), Cream, Whey Protein Concentrate, Gelatin, Vitamin A Palmitate, Vitamin D3, Cultures.