Saturated Fat
Saturated fat raises your low-density lipoprotein or "bad" cholesterol levels, puts you at a higher risk of heart disease and might put you at a higher risk of Type 2 diabetes -- and your yogurt might be swimming with it. Even if you eat plain yogurt, it could contain about 5 grams of saturated fat per 1-cup serving if it's made from whole milk. Yogurt made from skim milk contains virtually no saturated fat and has all of the same nutrients as whole milk yogurt. Low-fat yogurt varieties fall somewhere between the two extremes, so always check for saturated fat content when choosing your yogurt.