*source WebMD

Here are 22 portable and healthy snacks that make the list of dietitian's favorites:

1. Half a peanut butter sandwich on whole-wheat bread
2. Low-sugar, whole-grain granola bars that have at least 3 grams of fiber
3. Whole-grain crackers or whole-wheat tortilla with hummus or nut butter
4. A handful of unsalted or lightly salted dry-roasted nuts
5. Individual unsweetened applesauce with a few dry-roasted walnuts
6. Small apple with 2 teaspoons peanut butter or 1 ounce low-fat cheese
7. Ants on a log -- celery with nut butter, topped with raisins or other dried fruit
8. Half of a single-serving string cheese with a small piece of fruit
9. 4-ounces to 6-ounces of low-fat yogurt or yogurt treat
10. High-fiber dry cereal with a few nuts or seeds and dried fruit
11. Individual packs of carrots, celery sticks, or apple slices
12. Pretzels and low-fat cheese
13. Whole-wheat cracker sandwiches made with natural nut butters
14. 1 ounce of lean meat and a few whole-grain crackers
15. 3 ounces low-fat or fat-free cottage cheese and a few whole-grain crackers
16. 1 whole graham cracker and 1 teaspoon nut butter
17. Raw vegetables with 1/4 cup low-fat ranch dressing
18. 100-calorie pack of low-fat popcorn rich in whole grains and fiber
19. Handful of tortilla chips and salsa
20. 100-calorie ice cream treats
21. "Skinny" latte (made with low-fat or skim milk)
22. Small bowl of whole-grain cereal with skim milk or low-fat yogurt