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Yes, strong food coloring can make your poop green for a short time, especially after bright blue or green treats.

Yes, strong dark food coloring can make your poop look black, but tar-like black stool can also signal bleeding that needs urgent care.

Yes, food coloring can hurt your stomach in some people, especially with large amounts or sensitivity to certain dyes.

No, approved food coloring will not kill you when used as intended, though rare allergies and huge doses can still cause health problems.

Yes, some food coloring can trigger diarrhea in sensitive people, usually due to gut irritation, other additives, or very large portions.

Current evidence suggests approved food colorings are unlikely to cause cancer in people, though a few dyes raise concern at high doses in animals.

Yes, food coloring can color your poop when enough dye passes through your gut without breaking down.

Yes, food coloring can change your poop color temporarily, but these stool changes are usually harmless if you feel well and the color fades.

Yes, food coloring can change poop color for a short time, usually turning it shades of green, blue, or red that fade once the dye leaves your system.