| http://www.w3.org/ns/prov#value | - s of the supplemental sleep aid, which is about 25 times the usual amount prescribed for adults.Melatonin is a hormone produced naturally by the body and standard doses in the Unites States, where it is available over the counter, and in Europe, where a prescription is typically required, range from 0.3 mg to 3 mg.Considered a dietary supplement rather than a drug, melatonin is not regulated by th
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