<human>:  List of healthy snacking options
<bot>: 
1. Nuts 
2. Celery and peanut butter 
3. Apples and yogurts 
4. Air-popped popcorn 
5. Whole-grain toast with avocado 
6. Rice cakes with hummus 
7. Protein bars 
8. Dark chocolate 
9. Boiled eggs 
10. Fruit smoothies