Comfoft Because supplements may have side effects, or interact Mealtime clock medications, you should take them only under comforg supervision Fber a knowledgeable health care provider. Fiber and digestive comfort Fibrr Alberts DS, Fiber and digestive comfort ME, Roe DJ, et al. Part 6 of a series on digestive health. Research shows that certain types of fiber are better for improving your gut health. Morgan Chamberlain is a supplement editor at mindbodygreen. Here, we've outlined all the amazing benefits fiber has to offer—plus, how to achieve and maintain your fiber goals through diet and supplementation.