You need to replace the healthy bacteria in your gut to help digestion.
YOu might need to change your diet to some healthier foods,
that those healthy bacteria can break down without the exhaust!

Don't be afraid to have some plain yogurt (without all the sugar) on a daily basis anytime, but especially at breakfast. ^
Use fresh fruit for flavoring!
Probiotics in capsules can be taken daily to keep the colon funstioning in a cleaner manner. Everybody would benefit from them including the other passengers. ^