Hydrazine
Hydrazine sulfate, an alternative medicine that has been claimed to be a treatment for cancer.
It has been used as a first-line agent in cancer therapy and as a treatment for cancer-related anorexia (loss of appetite) and cachexia (loss of muscle mass and body weight).
The results from a scientific standpoint have been inconclusive.
The substance is not without possible adverse effects.
At least one death has been laid to it.