We’re about to totally bust through the notion that healthy foods can’t be filling. Naturally high-fiber foods are crucial when it comes to getting your nutrients and not hearing your stomach grumble an hour later. You should aim to include a fiber source in every meal and snack, says Brooke Alpert, R.D., founder of B Nutritious. So we gathered 15 great options. “These are really, really healthy foods that are going to keep you full for a long time,” she says. Check them out!