Peptides in Australia: what’s legal and what isn’t

Updated 30 October 2026. Rebuilt as our peptides guide, with the October 2026 Poisons Standard, the WADA list, the latest TGA warnings and a status table of the peptides men are being sold.

There are three ways to get a peptide into your body in Australia. One is boring and legal. One has mostly closed. One is where seven Victorians ended up in hospital with acute liver injury.

Here’s the map, without the hedging.

What are peptides?

Peptides are short chains of amino acids, the building blocks of proteins. Your body makes plenty of them, and some of the most important medicines in the world are peptides. Insulin is one. So is semaglutide, the drug in Ozempic and Wegovy (Sport Integrity Australia; TGA). Tirzepatide, sold as Mounjaro, is a modified peptide too (Coskun and colleagues, 2018).

That’s the problem with the word. ‘Peptide’ describes a chemical structure, not a safety rating. An approved pen from a pharmacy and an unlabelled vial from an Instagram seller can both be called peptides. We cover the risks in more detail in are peptides safe?.

Are peptides legal in Australia?

It depends on the peptide and how you got it. All peptide products are regulated as therapeutic goods. The ones on the Australian Register of Therapeutic Goods (ARTG) have been assessed for safety, quality and effectiveness. The rest haven’t, and the TGA names BPC-157, GHK-Cu, TB-500, retatrutide and CJC-1295 as examples (TGA, April 2026).

Several of the gym favourites are also listed by name in the Poisons Standard. BPC-157, TB-500, thymosin beta-4, CJC-1295, ipamorelin and AOD-9604 are Schedule 4 (prescription-only) medicines and sit in Appendix D, the list of poisons that are illegal to possess without authority, such as a legal prescription (Poisons Standard, October 2026). BPC-157 was added in June 2024 (TGA explanatory statement). State and territory laws add their own controls on possession and supply, so the consequences depend on where you live (TGA).

Selling is where the big penalties are. It is unlawful to import, advertise, manufacture or supply unapproved peptides outside an authorised pathway, and breaches of the Therapeutic Goods Act can bring civil penalties of up to $1.82 million per breach for an individual, $18.2 million for a company, and up to seven years’ jail for criminal offences (TGA, August 2026). In August the TGA and NSW Police seized more than $120,000 of peptides and steroids from two homes linked to an influencer, including retatrutide, CJC-1295 and the Wolverine Stack of BPC-157 and TB-500. The TGA has also put influencers and affiliates on notice that promoting these products can be unlawful advertising (TGA, July 2026).

Common peptides: legal status, WADA and the evidence

Peptide	Sold for	Legal status in Australia	WADA (sport)	Human evidence
BPC-157	Tendon, joint and gut repair	Prescription only (Schedule 4); possession without a prescription illegal (Appendix D). Not on the ARTG	Banned at all times (S0)	Mostly animal studies. Three small uncontrolled human studies, 30 people in total; certainty very low
TB-500 (thymosin beta-4)	Injury recovery	Prescription only (Schedule 4); possession without a prescription illegal (Appendix D). Not approved anywhere	Banned at all times (S2)	No published trials of TB-500 itself. Thymosin beta-4 has been tested as eye drops, wound treatments and in a small safety study
CJC-1295 and ipamorelin	‘Natural’ growth hormone, muscle, fat loss	Prescription only (Schedule 4); possession without a prescription illegal (Appendix D)	Banned at all times (S2)	CJC-1295 raised growth hormone and IGF-1 in small 2006 volunteer trials. No trial shows muscle or fat-loss benefit in healthy men
GHK-Cu (injected)	Skin, hair, anti-ageing	Injectable products are unapproved; the TGA names it in its warnings	Not named on the list	Mostly lab and skin-care (cream) research; the TGA hasn’t assessed injectable products
Melanotan II	Tanning, libido	Prescription only (Schedule 4). Not approved as a tanning agent	Not named on the list	No approved use. The TGA lists reports of new moles, kidney problems and brain swelling
Retatrutide	Weight loss	Unapproved; not approved by any regulator. Anything sold now may be counterfeit	Not on the list (Sport Integrity Australia)	Large phase 3 trials: up to 22.6% average weight loss at 80 weeks in one. Lilly plans a US filing in early 2027
Semaglutide, tirzepatide	Diabetes, weight loss	Approved prescription medicines (Schedule 4), on the ARTG	Not prohibited (on WADA’s monitoring program)	Large randomised trials; approved by the TGA

Tier one: approved peptide medicines, on prescription

Semaglutide and tirzepatide, sold as Ozempic, Wegovy and Mounjaro, are Schedule 4 prescription medicines, approved by the TGA and on the ARTG. A doctor assesses you, writes a script and a real pharmacy dispenses it (healthdirect). You know the dose. You know what’s in the pen. This is the only tier where both of those things are true.

Retatrutide isn’t in this tier. It’s Eli Lilly’s experimental triple-hormone drug, and it has done well in phase 3 trials: in July Lilly reported average weight loss of up to 22.6 per cent at 80 weeks in adults with severe obesity and heart disease, and said it plans to apply to the US Food and Drug Administration in the first quarter of 2027 (Lilly; HCPLive). It is not approved by the TGA or any other regulator (Sport Integrity Australia). Anyone selling you retatrutide now is selling you something with no approved supply chain, and the TGA says it could be counterfeit (TGA).

GLP-1 drugs and muscle

For men, one catch with the approved drugs is what else goes with the fat. Part of the weight lost on GLP-1-based drugs is lean mass: in some trials less than 15 per cent of the total, in others 40 per cent or more. Lean mass isn’t all muscle (it includes organs, bone and water), and reviewers think the muscle change mostly looks in line with the weight lost (Neeland and colleagues, 2024). A 2026 meta-analysis still found more lean-mass loss than in control groups, and its authors recommend pairing the drugs with physical activity and nutritional support (Woźniak and colleagues, 2026). If you’re on one, ask your GP about exercise and nutrition support. And the drugs don’t work equally well for everyone: here’s why some older men lose little weight on Wegovy, and the experimental compound that burned fat without muscle loss in mice.

Tier two: the compounding pathway, mostly closed

For a while, compounding pharmacies made their own versions of GLP-1 drugs for patients with a script: a real, if grey, middle ground. That’s closed. Amendments to the Therapeutic Goods Regulations mean GLP-1 medicines compounded on or after 1 October 2024 can’t be supplied by pharmacists, whatever the dosage form (TGA; Health Minister Mark Butler). Civil and criminal penalties can apply.

Other peptides are a different story. Some doctors do prescribe unapproved peptides, often made up by a compounding pharmacy. A prescription makes possession lawful, but it doesn’t turn the product into a TGA-approved medicine, and the TGA has reminded prescribers and pharmacists of their obligations (TGA). For athletes it’s worse: a compounded peptide is an unregistered medicine, an exemption is unlikely, and using it can still mean a ban (Sport Integrity Australia; see our guide to clean supplements for athletes).

Tier three: Instagram, gym mates and beauticians with a fridge

This is where everyone who isn’t going through a doctor gets their peptides, and it’s where the Victorian liver cases came from. The products are bought online, through friends and through social media accounts (Victorian Department of Health).

Importing doesn’t fix it. The Personal Importation Scheme lets you bring in up to three months’ supply of a medicine for yourself, but only with a valid Australian prescription for anything prescription-only, and only in packaging that clearly identifies the product. The TGA says peptide vials that are unmarked, code-only or missing the ingredient and strength won’t be released, and Border Force can destroy them (TGA, May 2026). ‘For research use only’ printed on a vial changes none of that: the TGA says the disclaimer doesn’t change a product’s status, permit importation or remove advertising and supply obligations (TGA).

That’s the market BPC-157, TB-500, melanotan and retatrutide are being sold into: cash, DMs, gym car parks and, in one case, a beauty clinic. It’s the same wellness pipeline pushing NMN and other anti-ageing supplements.

Seven cases, one state, one open question

Victoria’s Chief Health Officer issued a health alert on 19 June about six cases of acute liver injury since January in people who had used an unapproved product labelled retatrutide, and said a contaminant was possibly involved (Victorian health alert). By late August that had risen to seven. Liver specialist Dr Marie Sinclair said a contaminated batch was one possible explanation, but ‘purely a hypothesis’; the TGA’s chief medical adviser, Professor Robyn Langham, said the localised cases suggested ‘a batch problem’ (ABC News).

Canberra Health Services separately confirmed liver damage linked to products sold as retatrutide, without giving a number because the count was low (ABC News). In September the TGA tested another vial sold as retatrutide after a user was hospitalised with uncontrollable vomiting and a torn oesophagus. It contained no retatrutide at all, but semaglutide at about eight times the level in approved products (TGA).

Watch for tiredness, abdominal pain, itchy skin, dark urine, yellow eyes or skin, and easy bruising (Victorian Department of Health). Anyone who has used an unapproved peptide and notices any of that should see a doctor promptly, not wait it out. The Poisons Information Centre takes calls 24/7 on 13 11 26. In an emergency, call 000.

The actual decision

If you want a GLP-1 drug, get it from a doctor, on the register, or don’t take it. The compounded middle ground is gone for anything in the GLP-1 family. For the recovery and ‘natural growth hormone’ peptides, the human evidence isn’t there yet: three tiny uncontrolled studies for BPC-157, none for TB-500 itself. Everything else, every vial with no prescription and no pharmacy label, is tier three, whatever the seller calls it.

If you’re thinking about peptides for an injury, weight or ageing, take it to your GP. Bring the product name and what you’ve been told it does. Australia’s chief medical officer and the TGA have both warned against using unapproved peptide products (Department of Health, June 2026).

Peptides in Australia: FAQ

Are peptides legal in Australia?

Approved peptide medicines such as insulin, Ozempic, Wegovy and Mounjaro are legal with a prescription. Most peptides sold online for muscle, recovery or fat loss are unapproved therapeutic goods, and several of them (BPC-157, TB-500, CJC-1295, ipamorelin, AOD-9604) are prescription-only medicines that are illegal to possess without a prescription (Poisons Standard). Selling, importing or advertising them outside an authorised pathway is unlawful (TGA).

Is BPC-157 legal in Australia?

Only with a prescription. BPC-157 has been a Schedule 4 medicine since June 2024, and it’s listed in Appendix D of the Poisons Standard, so possessing it without a prescription is illegal (TGA, 2024). No BPC-157 product is approved by the TGA, and it’s banned in sport at all times.

Can a doctor prescribe peptides in Australia?

Approved peptide medicines, yes. A doctor can also prescribe some unapproved peptides through a compounding pharmacy, but that doesn’t make the product TGA-approved or tested, and GLP-1 drugs can no longer be compounded at all (TGA). Athletes are unlikely to get a therapeutic use exemption for an unregistered medicine (Sport Integrity Australia).

Can I import peptides for personal use?

Only within the Personal Importation Scheme’s rules: a valid Australian prescription for any prescription-only medicine, no more than three months’ supply, and packaging that clearly identifies the product. Unlabelled or code-only vials won’t be released and can be destroyed at the border (TGA; TGA warning, May 2026).

Are peptides banned in sport?

Many are. BPC-157 is banned at all times as a non-approved substance; TB-500, CJC-1295, ipamorelin and other growth-hormone peptides are banned at all times under S2 (WADA Prohibited List 2026). Insulin is also prohibited, though athletes can apply for an exemption. Check any product with Sport Integrity Australia before you use it.

Is retatrutide available in Australia?

Not legally, outside a clinical trial. It isn’t approved by the TGA or any other regulator, and the TGA says any retatrutide sold outside a trial could be counterfeit (TGA). Lilly plans to apply to the US regulator in early 2027 (Lilly).

Sources: Poisons Standard October 2026 and June 2024 explanatory statement; TGA: supplier responsibilities (April 2026), import warning (May 2026), promoters on notice (July 2026), NSW seizure (August 2026), counterfeit retatrutide (September 2026), GLP-1 compounding (2024), Personal Importation Scheme, melanotan; Chief Medical Officer and TGA joint statement (June 2026); Victorian Department of Health alert (June 2026); ABC News (August 2026); Alcohol and Drug Foundation; WADA Prohibited List 2026; Sport Integrity Australia on peptides, BPC-157, thymosin beta-4 and retatrutide; Eli Lilly (July 2026) and HCPLive; Poolton and colleagues (2026), Acta Orthopaedica Belgica; Vasireddi and colleagues (2025), HSS Journal; thymosin beta-4 trials: Sosne and colleagues (2015), Ruff and colleagues (2010); GHK-Cu: Mortazavi and colleagues (2025), BioImpacts; Teichman and colleagues (2006), Journal of Clinical Endocrinology and Metabolism; Villegas Meza and colleagues (2026), JBJS Reviews; Neeland and colleagues (2024) and Woźniak and colleagues (2026); healthdirect: weight loss medicines. Checked 30 October 2026. This article is general information, not medical advice.