Due to a lack of robust evidence, the effects of melatonin on quality of life and sleep quality in people receiving treatment for cancer are unclear. Melatonin might not increase the risk of adverse ...

The typical dosage found in stores ranges from about one to five mg but can be found in doses as high as ... have shown that cancer patients can benefit from large doses of melatonin ranging ...

Melatonin is a hormone ... move up to a three milligram dose, which can be considered the "hypnotic dose." Certain conditions may call for even higher doses. "High doses between five to 15 ...