This happens to everyone who eats a lot of blueberries. I swear, there’s a secret club. You see the black stool, you freak out, you google it, you laugh, you tell your partner, and they go, “Oh, I had that last week with my acai bowl.” It’s a bonding experience.
Stool Color Changes and What They Mean - Dr Gina Sims Gastroenterologist
Think of it as a test of your emotional resilience. You looked into the abyss, and the abyss looked back at you and said, “Got any more almonds?” And you survived. You’re stronger now.
Important note: This also happens with black licorice, beets (red stool—scary but harmless), and activated charcoal. But blueberries are the sneakiest villain because they seem so innocent.