Melatonin
Melatonin is a hormone made by the pineal gland in the brain, mainly at night, and is part of the body's sleep-wake rhythm. Supplements contain synthetic melatonin.
Also listed as N-Acetyl-5-Methoxytryptamine, Melatonine, Melovine, Melatol
The next morning counts, too
BfR warns that melatonin can cause next-day tiredness and reduced attention, affecting driving. It advises medical consultation for people taking certain medicines, including blood thinners and blood-pressure drugs, and cautions against uncontrolled use in pregnancy, breastfeeding, childhood and several medical conditions. 1
Short-term experience does not settle long-term safety
NCCIH considers short-term use generally safe for most people, while emphasizing limited long-term safety data. People with epilepsy or taking blood thinners should use melatonin under medical supervision. 2
For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.