Apples: There's a reason apples are number one on the list! Probably one of the most versatile fall foods around, nutrient- and fiber-rich apples can be used in everything from beverages to main courses to desserts. Apples are the perfect addition to your weight-loss plan, says Karen Langston, a certified nutritionist and board member of The National Association of Nutritional Professionals. Low-cal, full of vitamins and minerals, and full of fiber, apples help maintain your blood-sugar level, staving off cravings for high calorie no-no foods. Plus, the low-sodium content in apples can help prevent excess water weight and retention, Langston says. Pumpkins: Pumpkin is not only a super healthy treat, but its also one of the greatest weight-loss foods around, Langston says. Low in calories, but full of fiber, vitamins, and minerals, pumpkin is also an excellent source of the important antioxidant beta-carotene. Enjoy it fresh or canned—you’ll still get the same nutritional benef...