The brown color of poop comes from the bile that is added by the liver to your bowl of cereal as it makes its way through the small intestine. The bile is changed by bacteria from green to brown.

Everyone feels lighter after pooping, but how much does poop weigh and does it help you lose weight? Experts say this may not be what you want to focus on.

Does green poop mean a bad liver? Bile is created in the liver, but green poop does not an indication that your liver is going bad, according to UnityHealth.