Melatonin dietary supplement. Melatonin is a hormone secreted by the pineal gland in the brain that controls the body's biological rhythm. It is secreted at night and induces sleep. In some countries (ex. in USA,shown here) it is classified as a dietary supplement,while in others (ex. UK) it is available by prescription only | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 3396 px × 5118 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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