When you're on the go and need a quick, nutritious snack, finding the right protein bar can make all the difference. If you're looking for options that are easy to digest and packed with protein, especially while traveling, here are some recommendations:

1. Pure Protein bars come in a variety of flavors and are known for being gentle on the stomach, making them a convenient choice for travel.

2. Quest Nutrition offers several high-protein options:
- Quest Protein Bars are available in assorted flavors and are a popular choice.
- Quest Protein Chips are a great alternative, especially in hot climates, as they don't melt.
- Quest Protein Peanut Butter Cups are tasty but can melt, so handle them with care when traveling.

3. A general tip for travelers: Many protein bars can soften or melt in warm weather. Consider non-melting options like protein chips if you're heading to a hot destination.