What's going on with turquoise?

The turquoise stool may be caused by the application of drugs. It may also be caused by eating green vegetables or turquoise foods, causing the green color of the stool. It may also be caused by improper diet and acidic stool. Pathological causes are possible, such as changes in stool color and duration, and diseases of the digestive tract, such as dyspepsia or disordered digestive function, and gastrointestinal or hepatobiliary diseases.