Fact checked by Nick BlackmerApple slices with peanut butter is a great high-fiber snack option.Credit: Viktoriia Bondar / Getty ImagesWhy this matters: Fiber is an essential nutrient for heart health, digestion, and metabolism.What you can do: Make an effort to add fiber-packed foods to each snack. This can include dietitian-recommended snacks like dry-roasted edamame and apples with peanut butter.The payoff: High-fiber snacks are a great way t…