Other compounds

Melatonin

Also called: melatonin

A sleep hormone. This site does not cover sleep aids.

Why people take it
Sleep, jet lag.
What the evidence says
Ask your doctor or pharmacist about sleep problems.
How it is usually taken
Usually 0.5 to 5 mg 1 to 2 hours before bed; prescription-only in many countries.
Be careful
Drowsiness; interacts with some medicines.
Medicines it can interact with
Adds to sedatives and alcohol; affected by fluvoxamine; may affect blood thinners and blood pressure medicines.

Other other compounds

Alpha-lipoic acidResveratrolQuercetinPterostilbeneNMNSpermidineFisetinPQQSulforaphaneDIMDHEACaffeine and L-theanineCannabidiol (CBD)Hemp seedBee pollenRoyal jellyPropolisManuka honeyChlorophyllWheatgrass

Common questions

What is Melatonin?

A sleep hormone. This site does not cover sleep aids.

Why do people take Melatonin?

Sleep, jet lag.

Does Melatonin work?

Ask your doctor or pharmacist about sleep problems.

How much Melatonin do people take?

Usually 0.5 to 5 mg 1 to 2 hours before bed; prescription-only in many countries.

Is Melatonin safe?

Drowsiness; interacts with some medicines.

Does Melatonin interact with medicines?

Adds to sedatives and alcohol; affected by fluvoxamine; may affect blood thinners and blood pressure medicines.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

🔎 Search all supplements

For information only, not medical advice. Supplements are not medicines: they are not tested and approved like drugs before they are sold, and they can interact with medicines. Talk to your doctor or pharmacist before you start one, especially if you are pregnant or breastfeeding, take regular medicines, or have kidney, liver or heart disease.