So, let's talk more about what happens when you eat blueberries. As they make their way through your digestive system, the fiber and water content can help, ahem, move things along. And that's when the magic happens - or should I say, the colorful magic?
Do Blueberries Cause Black Poop In Babies at Randy Eubanks blog
Now, I know what you're thinking: "But what about other foods? Do they have the same effect?" Well, it turns out that beets, spinach, and even black licorice can all have a colorful impact on your, ahem, output. It's like your body is a rainbow-producing machine!