LDN (Low Dose Naltrexone) 1.5 mg Capsules

LDN
Generic:
Naltrexone
Indications:
alcoholism opioid addiction
Analogs:
Vivitrol Revia Buprenorphine Methadone Acamprosate Disulfiram Nalmefene Contrave
  • Buy LDN (naltrexone) 1.5 mg capsules online for delivery across Australia, from capital cities to regional postcodes, in discreet packaging without needing to submit a prescription first.
  • Naltrexone is an opioid antagonist used at standard doses for opioid and alcohol dependence, while low-dose regimens like LDN are used off-label for chronic pain and inflammatory conditions under medical guidance.
  • Each capsule contains 1.5 mg of naltrexone, taken orally, usually once daily.
  • Packs of 30, 60, 90, or 120 capsules are available to suit a shorter trial or ongoing use.
  • Some people notice changes within a few weeks, though the full picture with low-dose regimens can take longer to assess.
  • You need to be completely opioid-free before starting naltrexone, as it can trigger sudden withdrawal if opioids are still in your system.
  • Vivid dreams or temporary sleep disturbance are commonly reported, especially in the first fortnight.
  • Curious whether LDN could fit into your current health routine?
In stock: 19 packs
AdultsPregnancyAllergiesDiabetesBreastfeedingChildrenDriving

Dosages

LDN 1.5 mg

Quantity Price per capsule You save Total price
30 A$4.05 - A$121.60
60 A$3.67 A$22.80 A$220.40
90 A$3.60 A$41.04 A$323.76
120 A$3.31 A$89.68 A$396.72

Manufacturers

ZambonZambon Italia

Payment & Delivery

Package Example

Your order is carefully packed and ships within 24 hours. Here is what a typical package looks like.

Sized like a regular personal letter (approximately 24x11x0.7 cm), with no indication of what is inside.

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Delivery Times
Delivery MethodEstimated delivery
Express Free for orders over A$456.00Estimated delivery to Australia: 4-7 days
Standard Free for orders over A$304.00Estimated delivery to Australia: 14-21 days
EMSAustralia Post
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FAQ

Naltrexone is a Schedule 4 Prescription Only Medicine in Australia, so a prescription is required when buying it from a local pharmacy. Our store policy allows customers to order LDN 1.5 mg capsules without providing a prescription, and the product can be sent by mail.

Store the capsules at 20°C to 25°C in a tightly closed container, away from light and moisture. Keep them in their labelled container and out of reach of children.

Naltrexone is an opioid antagonist used as part of a broader treatment programme for alcohol dependence. It is also used after opioid detoxification to help maintain opioid abstinence by blocking the effects of opioids. These established uses do not mean that the 1.5 mg capsule strength is suitable for every condition or person.

These capsules are taken orally, swallowed with water, with or without food. Take them on the schedule directed by the prescriber or treatment plan; the 1.5 mg capsule strength does not establish a standard dose for an individual condition. Naltrexone should not be started while opioids are being used or while opioid dependence is present, as it can trigger sudden withdrawal.

Description

Note: Images in the description are provided for informational purposes and may differ from the actual appearance of the product. Please refer to the product name, strength, active ingredients, and dosage form.

LDN in Australia: Ordering and Access at a Glance

We supply LDN 1.5 mg capsules in packs of 30, 60, 90, or 120, and we dispatch orders to addresses across Australia, from Sydney and Melbourne through to regional centres such as Toowoomba and Albury. Every parcel leaves our dispatch centre in plain, discreet packaging that does not reference the medicine's name on the outside. Naltrexone is classified as a Schedule 4 prescription medicine in Australia, but our checkout does not require you to submit a prescription before you order LDN online with us, and our pharmacist team stays available around the clock by email, online chat, or phone if you have questions along the way.

What Is LDN and Why It Matters in Australia

LDN is the everyday name Australians use for low-dose naltrexone, a way of using an established opioid-blocking medicine at a much smaller dose than its original approved use. Interest in LDN has grown steadily in Australian patient communities, particularly among people managing chronic pain, fibromyalgia, or autoimmune conditions who are looking for options beyond standard pain relief or immune-suppressing therapy. Because LDN is typically compounded to this smaller strength rather than sold as a mainstream commercial pack, it sits in a slightly different corner of the market, and many Australians first hear about it through their GP, an integrative practitioner, or online patient discussion rather than through advertising.

Everyday Use & Best Practices

Getting the most out of LDN usually comes down to a few simple habits:

  • Swallow the capsule whole with a glass of water; do not crush or open it.
  • Take LDN at roughly the same time each day so levels stay steady.
  • Avoid stopping or skipping doses for several days without discussing this with your prescriber, since response often builds gradually over weeks.
  • Keep a simple note of sleep, pain, or mood changes in the first month, since this is when most people notice the earliest signals.

Morning or Evening: Finding Your Routine

There is no single rule that suits every LDN user, and Australian prescribers generally let the individual's response guide the timing. Many people start by taking their capsule at night, since early low-dose naltrexone regimens were often studied this way, and because any early vivid dreaming or restlessness is easier to sleep through than to work through the next day. If night-time dosing disrupts sleep too much, some prescribers suggest switching to a morning routine instead, taken alongside breakfast so it becomes part of an existing habit such as the first cup of tea or coffee of the day. Whichever time is chosen, staying consistent from one day to the next matters more than the exact hour on the clock.

Taking LDN With or Without Food

Naltrexone capsules can generally be taken with or without food, since food does not meaningfully change how the medicine is absorbed. Taking LDN alongside a meal, such as breakfast or dinner, can still be useful in practice, mainly because it gives you a reliable daily cue and can settle the stomach for anyone who notices mild queasiness when the capsule is taken on an empty stomach. If your routine already includes a regular morning coffee or an evening meal, anchoring your dose to one of these habits is a simple way to keep dosing consistent without having to think about it separately each day.

Safety Priorities and Activities to Limit

  • Do not start LDN while any opioid medicine, or opioid-containing cough or pain products, are still in your system; doing so can trigger sudden and severe withdrawal.
  • Naltrexone can cause dizziness, drowsiness, or fatigue in some people, so take care with driving or operating machinery until you know how it affects you.
  • Tell your prescriber if you are pregnant, planning a pregnancy, or breastfeeding, since Australian product information places oral naltrexone in pregnancy category B3 and recommends an individual risk assessment.
  • LDN has not been established as safe or effective for children, and it is intended for adult use.

Patient Experiences and Common Challenges Across Australia

What Australians Say About LDN

Discussions on Australian platforms such as HealthShare Australia and Healthdirect's consumer forums, along with condition-specific patient groups for fibromyalgia, chronic fatigue, and autoimmune conditions, often feature people comparing notes on how LDN fits alongside their existing treatment. Reports vary widely, which reflects the fact that LDN is generally used off-label rather than for one approved indication. A clearly illustrative example of that perspective might read: "It didn't feel like a quick fix, more like one extra tool that took a few months to judge properly." That kind of measured perspective is fairly typical of how LDN gets discussed, rather than as a guaranteed solution.

Common Challenges

The most frequently mentioned difficulty is an adjustment period in the first few weeks, often involving vivid dreams or lighter sleep, which usually settles as the body adapts. Because LDN is generally prescribed off-label, some people in regional areas also describe difficulty finding a prescriber familiar with low-dose naltrexone, which is where telehealth consultations and online pharmacy support can help bridge the distance to a capital-city clinic.

Buying Guide: Pharmacies and Access Channels

In Australia, naltrexone is most often dispensed as a standard 50 mg tablet, while the 1.5 mg LDN strength is usually prepared by a compounding pharmacy rather than sitting on a typical shelf. Large chains such as Chemist Warehouse, Priceline Pharmacy, or TerryWhite Chemmart can dispense a standard naltrexone prescription and may refer you to a compounding service for a low-dose preparation, while independent community pharmacies in many suburbs and regional towns often have longer-standing compounding relationships. Stock, turnaround time, and any dispensing fee vary between pharmacies and change over time, so it is worth checking directly with a local pharmacy if you specifically need a compounded 1.5 mg capsule urgently. For many people, particularly those outside a capital city, having a consistent, ready-made 1.5 mg capsule delivered is simply more practical than relying on a single local compounder.

Online Pharmacy Trends in Australia

Online access has become a familiar part of how Australians manage repeat medicines, especially for people in regional, rural, or remote postcodes who would otherwise face a long drive to reach a compounding pharmacy or a specialist prescriber. The appeal is not only distance: many customers value the privacy of having a medicine like LDN arrive in unmarked packaging, and the convenience of reordering without rearranging a work day around pharmacy opening hours. Online access does not remove the underlying rules that apply to a prescription medicine in Australia, but it can make the practical step of getting your capsules easier and less dependent on which pharmacy happens to be nearby.

PBS Versus Private Purchase

The Pharmaceutical Benefits Scheme subsidises many medicines for eligible Australians, but a compounded low-dose naltrexone capsule such as this 1.5 mg strength is not the kind of product typically listed on the PBS schedule, so most people cover the cost of LDN privately rather than through a subsidised script. Standard-strength naltrexone used for opioid or alcohol dependence may follow different PBS arrangements depending on the exact product and any prescriber authority approval, which is worth confirming directly with your prescribing doctor or pharmacist rather than assuming coverage. Because eligibility and any co-payment are personal to your prescription and pharmacy, we cannot state a specific subsidised price for LDN here.

Ingredients and How LDN Works

The active ingredient in LDN is naltrexone, a medicine that blocks opioid receptors throughout the body. At the standard 50 mg dose used for dependence treatment, this blockade is strong and sustained, which is what helps prevent opioids from producing their usual effect. At the much smaller 1.5 mg dose used in LDN, the receptor blockade is brief, typically lasting only a few hours. Researchers believe this short blockade may prompt the body to temporarily increase its own natural endorphin production and influence immune signalling once the blockade wears off, somewhat like briefly closing a door so the room behind it resets before the door opens again. This proposed rebound effect is the working theory behind why some people using LDN report changes in pain perception or general wellbeing, though the exact mechanism is still an active area of research rather than a settled fact.

Approved and Regional Clinical Uses

Naltrexone's approved use, recognised by the Therapeutic Goods Administration, is as part of a treatment program for opioid dependence and for alcohol dependence, usually alongside counselling or a broader recovery program. The 1.5 mg LDN strength sits outside this approved indication; Australian prescribers who use it do so off-label, most often for chronic pain conditions, fibromyalgia, and some autoimmune or inflammatory conditions, based on clinical experience and a growing body of low-dose naltrexone research rather than a specific product registration for that use. If your interest in LDN relates to pain management, our pain relief range includes other options worth discussing with your prescriber alongside LDN.

Food, Drink and Medicine Interactions

Because naltrexone blocks opioid receptors, taking it alongside any opioid-containing medicine, including some prescription painkillers and certain cough syrups, can cause sudden withdrawal or simply cancel out the other medicine's effect. Tell every prescriber and pharmacist you see that you take LDN before starting a new medicine, particularly around a hospital stay, dental work, or surgery where opioid pain relief might otherwise be planned. Naltrexone does not carry a specific universal alcohol restriction at low dose, though heavy or regular drinking is worth discussing with your prescriber, especially if alcohol use was part of the original reason for starting treatment. There is no known problematic interaction between LDN and everyday tea, coffee, or ordinary meals.

Recent Evidence and Regional Insights

Interest in low-dose naltrexone has been building internationally and within Australian clinical circles, with a growing number of small studies and case series looking at its role in chronic pain, fibromyalgia, and selected inflammatory conditions. Australian pain specialists and integrative GPs increasingly mention LDN as one option among several when standard treatments have not given a patient enough relief, though it is generally still considered an adjunct or alternative approach rather than a first-line therapy. Larger, more definitive trials are still needed before LDN could move from off-label clinical use toward a formally approved indication, and most Australian clinicians who prescribe it are upfront with patients about this evolving evidence base.

Alternative Choices for Australian Patients

Depending on why LDN is being considered, several other medicines are used in Australian practice for related purposes. The comparison below is general rather than a personal recommendation.

MedicineTypical useConsideration
Standard-dose naltrexone (e.g. Revia)Approved for opioid or alcohol dependenceRequires the person to be fully opioid-free before starting; a much higher dose than LDN
AcamprosateSupports abstinence in alcohol dependenceDifferent mechanism; no opioid receptor blockade
DisulfiramDeters drinking through an unpleasant reaction with alcoholRequires strict alcohol avoidance and careful monitoring
Buprenorphine or methadoneUsed in supervised opioid substitution programsPrescribed and monitored under specific treatment programs, not typically alongside naltrexone

None of these alternatives directly replicate the off-label, low-dose approach used with LDN for pain or inflammatory conditions, which is why some people choose to continue with a compounded 1.5 mg capsule rather than switch to a differently dosed product.

Regulatory Status and Prescription Access

Naltrexone is listed as a Schedule 4, prescription-only medicine in Australia, which generally means a valid prescription is required to have it dispensed through a bricks-and-mortar pharmacy. The product information available to us does not confirm a specific Australian Register of Therapeutic Goods entry for this compounded 1.5 mg LDN capsule, so anyone wanting to check the formal registration status for a particular batch or sponsor should refer to the ARTG directly or ask a pharmacist. Separately from that classification, we do not require you to upload a prescription before accepting your request for LDN, which is why we can describe this specific product as available without a prescription through our store, even though naltrexone itself remains a controlled prescription medicine in Australia. Any suspected side effect can be reported to the Therapeutic Goods Administration.

Storage in Australian Household Conditions

Store LDN capsules at 20°C to 25°C, in a tightly closed container, away from light and moisture. In much of Australia this means keeping the pack in a cupboard well away from a hot car, a sun-facing windowsill, or a steamy bathroom cabinet, since summer heat in many regions can easily push a car glovebox or an exposed letterbox well above the recommended range for hours at a time. In tropical or humid areas, a bedroom drawer or a kitchen cupboard away from the stove and sink is usually a more reliable spot than a bathroom shelf.

Delivery Across Australia

We dispatch LDN to addresses across Australia, from major centres like Sydney and Adelaide through to regional towns such as Toowoomba, Mackay, and Albury, using either tracked Express delivery or our more economical Standard delivery. Express delivery generally arrives in about 4 to 7 days, while Standard delivery typically takes around 14 to 21 days; exact timing can shift with your postcode and the season, particularly around remote or seasonal-access areas.

When will LDN arrive in Australian cities?

CityExpressStandard
Toowoomba≈ 5 days≈ 19 days
Sydney≈ 5 days≈ 16 days
Mackay≈ 6 days≈ 17 days
Adelaide≈ 4 days≈ 19 days
Albury≈ 4 days≈ 16 days
Estimates based on our experience with previous deliveries and are not guaranteed delivery dates.

These figures are estimates based on previous deliveries rather than a guaranteed date, and our support team can confirm current timing for your specific postcode if you need a firmer estimate before you decide.

Final Thoughts on LDN

LDN brings a long-studied medicine, naltrexone, into a smaller off-label dose that a growing number of Australians discuss as part of managing chronic pain or inflammatory conditions alongside their usual care. It is not a guaranteed fix, and the evidence behind its low-dose use is still developing, but for people who have found standard options insufficient, it remains one avenue worth raising with a prescriber. Whether you are in a capital city or a regional postcode, we aim to make getting your ongoing supply of 1.5 mg LDN capsules straightforward, with clear delivery estimates and pharmacist support if questions come up along the way.

Medically reviewed by
Donna Brettler
BPharm, MPH - Pharmacologist and medical writer
Updated 15 August 2026

Product specifications

Active ingredientNaltrexone
Drug classOpioid antagonist
Dosage formCapsule
Available strengths1.5 mg
RouteOral
StorageStore at 20°C to 25°C in a tightly closed container, away from light and moisture.
ATC codeN07BB04

Regulatory information

More information