Melatonin - New Products, Prescription Rules & Online Scripts (2026)

By Doron Nadler, BPharm, MPS · Last reviewed: 6 August 2026

Being wide awake at 2 a.m. has a special sort of tiredness. You start Googling solutions and melatonin is everywhere online. TikTok says it’s magical… but you’re in Australia, not America. News flash: you can’t buy melatonin gummies off the shelf at your local supermarket. Here’s what’s available in Australia, including some newer products, and how to get hold of them.

Quick melatonin 101

Melatonin is a natural hormone that your brain produces in response to darkness. It signals your body that it’s time for sleep, and your levels fall again at dawn. As we age, our bodies produce less melatonin, which partly explains why sleep can be harder as we get older.

Melatonin supplements taken orally in tablet, capsule or liquid form can be helpful for a number of conditions including insomnia and symptoms of jet lag. But Australia regulates melatonin pretty tightly, for good reason.

Do you need a script for melatonin?

Short answer: yep, for most situations. However, it’s become a bit more complicated than just that. Australia introduced a two-tier system for melatonin in 2021.

Prescription only (Schedule 4)

Most melatonin products are prescription only in Australia. This includes everything outside of the small number of pharmacist-only exceptions discussed below, as well as high doses or extended courses, children’s dosing, and prescribing for adults under 55 years old. You’ll need to see your GP for an assessment and script. Alternatively, you can conveniently connect to a MediLeave doctor online and discuss melatonin with them. If appropriate, a digital prescription can be issued directly to your phone or email, which can be dispensed at any pharmacy.

Pharmacist only (Schedule 3)

There are a couple of specific situations where you can buy melatonin from a chemist in Australia without a doctor’s prescription. The first is modified-release tablets containing 2 mg or less of melatonin, for adults aged 55 years or older, for the short-term treatment of primary insomnia, in packs of no more than 30 tablets.

Recently, Voquily Jet Lag Relief — immediate-release capsules containing 2 mg of melatonin — became available over the counter in pharmacies. Voquily capsules contain melatonin and are used as an immediate-release treatment to help relieve jet lag symptoms in adults 18 years of age or older. Jet lag can occur when travelling abroad or when returning home after an international flight.

Jet lag occurs when your body’s internal clock is out of sync with the time zone you’re travelling to. If you travel across three or more time zones, your body’s internal clock suddenly finds itself at odds with sunrise and sunset at your destination. While your body will eventually adjust on its own accord, melatonin can help shift it along faster.

Voquily Jet Lag Relief has been shown to help relieve jet lag symptoms by aiding sleep while you adjust to your new time zone. Symptoms of jet lag can include difficulty sleeping, feeling tired during the day, and having trouble concentrating. It works by helping you fall asleep faster at your destination while your body recalibrates its internal clock to match your new time zone. Because Voquily Jet Lag Relief is immediate-release melatonin, it is absorbed quickly into the bloodstream, helping jetsetters fall asleep faster and realign their internal body clock.

Who should take it. Adults aged 18 years and older travelling across multiple time zones (think Melbourne–London, Sydney–LA, or any long-haul flight that messes with your body clock). It works better for trips eastward, which is the more difficult direction for most travellers.

It is recommended to take Voquily immediately after your flight, at bedtime in your destination time zone. Do not take it on board the plane or during your flight.

Even though Voquily Jet Lag Relief is available over the counter, you need to consult the pharmacist before purchasing to ensure Jet Lag Relief is right for you. They’ll ask you a few questions about your trip and overall health, then dispense it to you after a short consultation. If you need multiple packs, want it for an extended period, or are under 18, you will need a prescription from a doctor.

The catches. Melatonin isn’t magic. It helps shift your body clock back to local time, but it won’t fix dehydration, a jet-lag headache, or tiredness from a 14-hour flight. Use it in conjunction with some sensible basics: get outside into the sunlight once you land during the day, stay hydrated, start trying to eat meals around local time as soon as possible, and avoid screens before bed. Planning a trip? Our travel health service can help you prepare before you fly.

The recent TGA safety warning on imported melatonin supplements

In September 2021, the Therapeutic Goods Administration issued a public safety warning about buying melatonin overseas that every Australian melatonin buyer needs to read.

The TGA’s own drug-testing laboratory (TGA Laboratories) bought 18 overseas melatonin products off the internet that were intercepted by the Australian Border Force between January 2021 and September 2021. Only five of them actually contained an acceptable amount of melatonin (90–110% of the labelled claim). All the others contained either far too much melatonin, or in some cases, no melatonin at all.

Let’s focus on a couple of examples: one bottle contained over 400% of the claimed melatonin content. Another product labelled as containing 10 mg of melatonin actually contained zero melatonin in any of the ten bottles tested.

Why is this important? There’s been a recent trend of Australians buying melatonin online for their children. Often seen as cute little gummies or desserts, many online sellers market melatonin as dietary supplements and purport it to be completely safe. Here’s the problem: the TGA found purchases of melatonin increased by almost half among Australians using online stores between 2019 and 2021.

Enough backstory. If you have melatonin at home that you bought online from an overseas website, stop using it. Talk to your local pharmacist about safe disposal.

Compounded melatonin

Compounded melatonin is a made-to-order medicine. A specially trained pharmacist prepares it to match a prescription written just for you.

Your doctor might consider a compounded version when you need:

• A dose you can’t get in a standard product
• A fast-release form rather than a slow-release one
• A liquid, if tablets are hard to swallow
• A specific tablet or capsule strength
• A version that leaves out an ingredient you react to
• Another personalised formulation your doctor thinks you need

It’s worth knowing that compounded medicines aren’t the same as the standard products listed on the Australian Register of Therapeutic Goods. The Therapeutic Goods Administration (TGA) doesn’t individually check compounded medicines for safety, quality or how well they work. Because of this, they’re only prescribed and made up when there’s a real clinical reason. Standard melatonin products work well for many people, but not everyone. A compounded version may be the right option when your doctor decides no standard product quite fits your needs.

Here are some examples of when it might help:

A dose made for you

Some people need a lower or different dose than the standard products offer. It’s worth remembering that a bigger dose won’t necessarily help you sleep better, and it can make side effects more likely.

Liquid melatonin

A liquid can be a good option if you find tablets hard to swallow, or if you need a carefully measured amount. Your doctor and pharmacist will make sure it’s prepared at the right strength and stays stable and safe to use.

Leaving out certain ingredients

If you have an allergy or intolerance to an ingredient in the standard products, a compounded version can be made without it.

Melatonin side effects

Like all medicines, melatonin can cause side effects. Some of the side effects from taking too much melatonin as a supplement are:

• daytime sleepiness
• headache
• nausea (feeling sick)
• dizziness
• in rare cases, mood swings

While side effects in children are very rare, melatonin should only be used when suggested and prescribed by their healthcare professional.

Can I get a compounded melatonin script through telehealth?

Yes. With MediLeave, an online doctor can talk through your sleep concerns in an online consultation and may prescribe compounded melatonin if it’s the right choice for you. Keep in mind that a prescription isn’t guaranteed. The doctor will first look at whether melatonin suits your situation, whether anything needs further checking, and whether a compounded version is genuinely needed rather than a standard product that’s already available.

Can you get a melatonin prescription online?

If you’ve had sleep trouble for more than a couple of weeks, or you’re about to embark on an overseas trip and think you’ll need more than the travel pack size, the safest option is to see your doctor.

Enter the era of telehealth: you don’t have to physically visit your GP to get a prescription for melatonin. Doctors can now consult with patients online via video call or phone. MediLeave partners with Australian doctors to provide online prescriptions for melatonin Australia-wide, where appropriate.

When should you consider getting an online prescription for melatonin?

• You’re already exhausted at the thought of driving to a clinic
• You don’t have access to many GPs where you live
• You’ve taken melatonin before and simply need an online repeat prescription
• You have an overseas trip coming up and want your jet-lag medication ready to go before you fly
• You just want a quick chat with a doctor to see if melatonin is right for you

During the consultation, the doctor will ask about your sleep habits, how long the problem has been going on, anything you’ve already tried, and whether there might be any other explanations for your symptoms. If melatonin is appropriate for you, they’ll electronically send your script to your phone or email. You can then show this to your pharmacist to have it dispensed.

Getting started is simple. Our 7-days-a-week Instant Scripts service lets you book a telehealth appointment online, and you’ll be video-consulted or called by an Australian-registered GP who will assess whether melatonin is suitable for your needs.

Can kids take melatonin in Australia?

This depends on the age and your child’s health situation, and prescriptions will usually come from your child’s paediatrician or a sleep specialist, not your GP.

Can you buy melatonin over the counter at a chemist in Australia?

Whether you can buy melatonin at an Australian chemist without a prescription depends on your age and why you need it. For sleep-related issues, it’s only possible in limited circumstances. Adults aged 55 years or older with short-term primary insomnia can access melatonin from their pharmacist, as long as it’s in modified-release tablet form containing 2 mg or less, and comes in packs of no more than 30 tablets.

For jet lag, adults aged 18 years or older can access melatonin without a prescription from a pharmacist, as long as it’s immediate-release and doesn’t exceed 5 mg per dose, and is packaged in packs of no more than 10 doses. You’ll still have to answer a few questions first to ensure it’s right for you.

For anything else, you’ll still need to see your doctor.

What’s the difference between immediate- and modified-release melatonin tablets?

Immediate-release is just that: you take it and it works quickly. That makes it ideal for jet lag, where you want something to hit quickly to help reset your body clock. Modified-release (a.k.a. prolonged-release) tablets take longer to reach peak levels, and are designed to mimic your natural overnight melatonin curve. For that reason, they’re better for primary insomnia.

Is melatonin safe?

For most healthy adults using it short-term under the guidance of a doctor, yes. It’s when people self-medicate with a random bottle they bought online from who-knows-where that it becomes risky. Using melatonin long-term without medical oversight is another red flag.

Melatonin also hasn’t been studied in pregnant or breastfeeding women, so if you’re pregnant and desperately need sleep, please still see your doctor, but steer clear of melatonin until you can get a professional opinion.