What it is
Melatonin is a hormone the brain produces in response to darkness and is involved in the timing of circadian rhythms and sleep.
Purenio ingredient guide
Melatonin is a hormone the brain produces in response to darkness and is involved in the timing of circadian rhythms and sleep.

Melatonin is a hormone the brain produces in response to darkness and is involved in the timing of circadian rhythms and sleep.
Use only as directed on the finalized label, near bedtime, and only when you will have adequate time to sleep. Do not drive or operate machinery if drowsy.
Short-term use appears safe for most adults, but long-term safety is uncertain. Ask a clinician first if you are pregnant, nursing, have a medical condition, or take medicines. Keep away from children.