10 Surprising Health Benefits of Yogurt

Yogurt Benefits 1-3

Eat 18 ounces a day and you can drop a jeans size. People who ate that much -- in conjunction with cutting their total calories -- lost 22 percent more weight and 81 percent more belly fat than dieters who skipped the snack, according to research from the University of Tennessee, Knoxville. They also retained one-third more calorie-torching lean muscle mass, which can help you maintain weight loss. "Fat around your waist produces the hormone cortisol, which tells your body to accumulate even more belly flab," says nutrition professor and lead study author Michael Zemel, PhD. When you eat yogurt, the calcium signals your fat cells to pump out less cortisol, making it easier for you to drop pounds, while the amino acids help burn fat.

The words "live and active cultures" on the container mean that your yogurt has probiotics, beneficial bugs that live in your digestive tract and help crowd out harmful microorganisms that can cause intestinal infections. (Only a very small number of companies put yogurt through a post-pasteurization process that kills off all bacteria.)

But many varieties now also contain special strains of probiotics meant to help regulate your digestion or strengthen your immune system. The research on them isn't conclusive, however. "If you suffer from a particular health problem, like bloating or diarrhea, it's worth trying one of these products for a couple of weeks to see if it helps," says FITNESS advisory board member Dawn Jackson Blatner, RD. Otherwise, save a few dollars and stick to conventional brands.

One serving is a significant source of potassium, phosphorous, riboflavin, iodine, zinc, and vitamin B5 (pantothenic acid). Yogurt also contains B12, which maintains red blood cells and helps keep your nervous system functioning properly. "Vitamin B12 is found mostly in animal products, such as chicken and fish, so strict vegetarians can easily fall short," says Jackie Newgent, RD, a FITNESS advisory board member and author of Big Green Cookbook. Eating more yogurt can help close the nutrient gap: An eight-ounce serving contains 1.4 micrograms of the vitamin, about 60 percent of what adult women need daily.