Cut out fat, not nutrients. During the fat removal process, concentrations of some nutrients, such as such as protein, potassium, and calcium are actually increased. And low-fat milk has 50 percent less cholesterol than whole milk. Low-fat milk (also known as 1 percent milk) is still low in saturated fat like skim is, but it has enough dietary fat to promote your body's absorption of fat-soluble nutrients such as vitamins A, D, E, and K, says Keri Glassman, RD, author of The New You and Improved Diet. What's more, 1 percent milk contains higher levels than fat-free milk of conjugated lineolic acid, which may help reduce body fat.
Shop smart: Go organic. And if you'll honestly drink it, go ahead and get the full gallon. Gulp per gulp, it'll be cheaper.