Benefits of Melatonin

Although melatonin appears to be beneficial in a number of ways, the naturally occurring hormone seems to be most effective in treating sleep disorders. It plays an important role in the circadian rhythm, which regulates sleeping, waking, and other functions. Research suggests that there may be other benefits; for example, the supplement may someday be used as a sunscreen or form of birth control.

What Benefits Can Melatonin Provide?

Melatonin is a naturally occurring hormone that is commonly used as a supplement, often for sleeping problems. The supplements are often claimed to be helpful for the following purposes:
 
There are many other purported melatonin uses, some of which are more valid than others (see Does Melatonin Work?). As with many supplements, claims of melatonin's benefits are sometimes exaggerated, and these claims must be evaluated critically.
 
Most importantly, it is essential to remember that natural products should not be used carelessly, as many can be quite toxic (for instance, many poisons are natural products). It is important to remember that melatonin is a hormone that can have significant effects on the human body, effects that are not always desirable.
 
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD
 
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