Melatonin is a hormone produced by our body – it is synthesized in the brain, in the pineal gland, through tryptophan. It regulates our internal clock, that is, our sleep-wake cycle; It dictates when to sleep and when to wake up.

In adults, the formulation authorized as a medicinal product is a presentation of 2 mg per tablet, requires a prescription and should not be taken on its own. It is known that taking melatonin is safe to use in the short term, but it is not yet clear whether prolonged use can lead to unwanted effects.