Melatonin
Melatonin is a hormone used in selected sleep and circadian-rhythm plans. Listed uses include Insomnia.
Key points
- Product quality and release characteristics can vary.
- It can cause next-day drowsiness and interact with sedatives or anticoagulants.
- Severe confusion, collapse or breathing difficulty needs urgent care.
Select a listed product and pack to order online. Ask your doctor or pharmacist whether it suits you and what monitoring it needs.
Important safety checks
Sleep diagnosis, pregnancy, epilepsy, liver disease and sedating or anticoagulant medicines require review.
When to seek urgent care
Seek urgent help for collapse, severe confusion, breathing difficulty, facial swelling or a dangerous sleep-related event.
Further reading
What is melatonin used for?
Melatonin is a hormone used for some sleep and body-clock problems. It is mainly used for insomnia.
What is melatonin called in other countries?
In other countries, melatonin is also sold as Circadin. Brand names vary between countries, so compare products by their active ingredient.
How long does melatonin take to work?
Melatonin starts working in about 1 to 2 hours. Its effect lasts around 6 to 8 hours.
What are the side effects of melatonin?
Common side effects include headache and dizziness. Some people also get irritability, nervousness or insomnia. Seizures are a serious side effect and need immediate medical attention.
Can you drink alcohol with melatonin?
Alcohol can interact with melatonin, so ask a doctor or pharmacist before you mix them.
Who should not take melatonin?
Do not take it if you are allergic to melatonin or have severe liver disease. If you are pregnant, have epilepsy, or take sedating or anticoagulant medicines, ask a doctor or pharmacist before you use it.
Which melatonin products can I order on SGMeds?
Products containing melatonin on SGMeds include Meloset, Sleepose and Restfine. Compare their forms, strengths and pack sizes.
How much does melatonin cost in Singapore?
Each product on this page shows a price for each strength and pack size in Singapore dollars, converted from US dollars, so the exchange rate can change the final amount. Larger packs usually cost less per tablet.
Payment and prices →Can I buy melatonin over the counter in Singapore?
Yes, online. SGMeds does not ask for a prescription to order melatonin: we place the order with our pharmacy partner, which prepares it and arranges delivery on your behalf.
Ordering without a prescription →Do you deliver melatonin to Singapore?
Yes. We deliver to Singapore and Malaysia. Express shipping is tracked and takes up to 1 week, and Regular shipping takes up to 3 weeks.
How ordering works →