Gallbladder and liver “flushes” are widely advocated as a way of treating gallstones and helping with medical conditions ranging from allergies to cancer [1-4]. In the usual “flush,” half a cup or more of a vegetable oil is consumed together with citrus juice and Epsom salts (magnesium sulphate), usually after a brief fast. Many green, brown, yellow or black blobs of various sizes may later appear