In the United States, melatonin is considered a dietary supplement. This means that it’s regulated less strictly by the Food and Drug Administration (FDA) than a prescription or over-the-counter drug would be. In several other countries, melatonin is available only with a prescription and is considered a drug.
【 在 Psychnp 的大作中提到: 】
: 我认为这个药短期吃是没问题，我吃没吃无所谓，关键我相信美国fda
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FROM 24.80.12.*