Legal status · Australia
Is AT673 legal in Australia?
Written by Aaron CuhaReviewed Sep 2026
Direct answer
No. AT673 is not approved for any medical use in Australia. Its legal category is "Investigational, not registered". The only legal way to get it is to join a registered clinical trial (an official study in people). A "research use only" label on vials sold online does not make them legal to use in people. On the evidence, 1 completed human trial is cited on its profile.
- People given it
- 0
- Found nothing
- 0
Legal category
Investigational, not registered
TGA registration and the Poisons Standard schedule, from the AT673 profile.
Reviewed Sep 2026. This is a legal category, not legal advice.
A "research use only" label on a vial does not make it legal to use on people.
AT673 in Australia at a glance
| Legal category | Investigational, not registered |
|---|---|
| TGA approval status | Not approved by TGA; investigational (still being tested in trials) |
| Studies in people | 2 of 2 sources on the profile |
| Reviewed | Sep 2026 |
The legal category and note come from the AT673 profile. We checked them against Therapeutic Goods Administration (TGA) listings on the reviewed date.
What this means
- 01
AT673 is being tested in registered clinical trials (official studies in people). TGA has not approved it for sale in Australia.
- 02
The only legal ways for a person to get it are to join a trial, or to use an official early-access program where one exists. There is no pharmacy product to prescribe.
- 03
Vials sold online "for research use only" are not trial supplies. That label does not make them legal to use in people.
What AT673 is
A drug that blocks the GIP receptor, being added to semaglutide in a mid-stage trial of 150 people. It is the exact mirror of NNC0480-0389, which adds a GIP switch-on drug to the same base drug.
If you want one fact that shows how unsettled this field is, it is this pair. Two companies are running mid-stage trials that add opposite actions at the same receptor to the same base drug, for the same purpose, at the same time.
How it works: It blocks the GIP receptor instead of switching it on the way tirzepatide does. It is given alongside a GLP-1 drug.
Approval history: Investigational. Not approved anywhere. A mid-stage study is signing people up.
How TGA treats this kind of product
Registers or lists medicines and health products on the ARTG, its official register. It also sorts substances into schedules in the Poisons Standard. Many peptides are Schedule 4 (prescription only). So having them without a prescription, or importing them for yourself, is restricted. That is true even when no product is registered.
The legal category above is how The Longevity Archive reads Therapeutic Goods Administration listings for AT673 on the reviewed date. It is not a legal opinion. Rules change. Bringing a compound into the country, prescribing it and owning it can each be treated differently. Check with the agency before you act on anything here.
AT673 in sport and the military
Whether AT673 is banned in sport is set by the World Anti-Doping Code and by military rules, not by its legal status in Australia. Before you compete or get tested, look up AT673 by name on the Prohibited List, or look up a named product in Global DRO. Under the World Anti-Doping Code, category S0 bans, at all times, any drug-like substance that meets two tests. No other section of the List covers it. And no government health regulator anywhere has a current approval for it as a treatment in people. Many substances that are approved somewhere are banned by name in another section. So approval does not mean a substance is allowed in sport.
- WADA Prohibited List
- Global DRO (check a named product)
- USADA (US athletes)
- Operation Supplement Safety (US service members)
The rules you compete or serve under decide this, not this page.
AT673 in other countries
Frequently asked questions
Is AT673 legal in Australia?
No. AT673 is not approved for any medical use in Australia. Its legal category is "Investigational, not registered". The only legal way to get it is to join a registered clinical trial (an official study in people). A "research use only" label on vials sold online does not make them legal to use in people. On the evidence, 1 completed human trial is cited on its profile.
Can I buy AT673 in Australia?
There is no approved product to buy. In Australia, AT673 has the legal category "Investigational, not registered". So no licensed pharmacy product exists. Sellers who list it "for research use only" are not selling it for use in people, and that label does not change its legal status. Sellers named on the price pages are ranked by certificate tier, then price, and any affiliate income is disclosed there. Naming a seller is not a recommendation to buy or use anything.
Is AT673 TGA approved?
No. In Australia, AT673 has the legal category "Investigational, not registered". That is not a TGA approval to sell it. For comparison, its US FDA status is: Investigational. Not approved anywhere. A mid-stage study is signing people up.. On the evidence, 1 completed human trial is cited on its profile.
Related compounds in Australia
Full research profile
How AT673 works, the studies we cite, FDA status and the full legal summary are all on its compound profile.
AT673 profileThis page is general information about the legal status of AT673 in Australia, current as of Sep 2026. It is not legal advice. Legal status changes. For your own situation, check with Therapeutic Goods Administration or ask a lawyer. Educational use only. This database summarizes published research and is not medical advice. Where a dose appears it is a record of what a trial or clinic ran, or what people describe doing, with its source attached. Nothing here is a recommendation for personal use. Sellers named on the price pages are ranked by certificate tier, then price, and any affiliate income is disclosed there. Naming a seller is not a recommendation to buy or use anything.