<unk>  is a Diagnostic Agent that is FDA approved for the procedure of radiographic visualization of the gastrointestinal tract.   Common adverse reactions include nausea, vomiting, diarrhea and abdominal cramping.
Barium Sulfate
Aluminium chloride
Strontium chloride
Calcium arsenate
Aluminium chlorohydrate
Manganese dioxide
Calcium fluoride
Sodium selenate