Berries are low in calories, high in fiber, and they contain vitamins and minerals your body needs to function normally.
One cup of strawberries contains over 100 milligrams of vitamin C, almost as much as a cup of orange juice. Strawberries also have calcium, magnesium, folate and potassium. And they’re low in calories — one cup of strawberries has only 53 calories.
One cup of blueberries offers a smaller amount of vitamin C, plus some minerals and phytochemicals for only 83 calories. The same amount of cranberries is similar, but with only 44 calories, one cup of raspberries offers vitamin C and potassium for 64 calories.
Every grocery store carries a wide variety of fresh, canned and frozen berries. Look in the produce section first. Choose ripe, firm, brightly colored berries with no sign of mold or mushy spots. Fresh berries are naturally sweet, so you don’t need to add sugar or toppings.
Berries can also be found in the frozen foods section of the grocery store. Look for berries that are frozen without any added sugar or syrup. Frozen berries aren’t as firm as freshly picked berries (after they thaw anyway), but they are still nutritious.
Dried berries are sold in the snack aisle and the baking ingredient section. They look like raisins and can be used in recipes that call for raisins.
[ source: nutrition.about.com ]