Legal status · United States
Is Cardarine legal in the United States?
No. Cardarine is not an approved medicine in the United States; its classification is "Not approved; sold 'for research use only'". Nothing containing it is authorized for any use in people. Vials labeled "for research use only" are not exempt: that label does not make human use lawful. Human evidence: Preliminary.
Cardarine in the United States at a glance
| Classification | Not approved; sold 'for research use only' |
|---|---|
| Note | Prohibited in sport (WADA S4.5); products seized by regulators |
| FDA approval status | Never approved; development halted for carcinogenicity |
| Evidence level | Preliminary (research strength: Moderate) |
| Reviewed | Sep 2026 |
Classification and note come from the Cardarine profile, checked against U.S. Food and Drug Administration (FDA) listings at the reviewed date.
What this means
- 01
No product containing Cardarine is approved by FDA for any use in the United States, so nothing on the market is authorized for people.
- 02
"Research use only" is a vendor label, not a legal category that permits human use. It does not exempt a product from medicines law.
- 03
Importing, supplying or promoting it for human use can fall under medicines legislation in the United States. This page is general information, not legal advice.
What Cardarine is
A PPAR-delta agonist GSK stopped developing, reportedly after long-term rodent studies produced cancers in multiple organs; still sold widely for endurance and fat loss despite that report and a WADA ban.
Cardarine shifts muscle toward fat oxidation and in the 2008 Cell paper combined with training to raise mouse endurance. 9%.
Mechanism: PPAR-delta agonism that upregulates fatty-acid oxidation genes in skeletal muscle.
Regulatory history: Never approved; development halted for carcinogenicity
How FDA treats this kind of product
Approves prescription drugs by indication and polices unapproved products, including peptides sold online. Compounding pharmacies may prepare some compounds under a prescription when the FDA places them on a permitted bulk-substances category.
The classification above is the The Longevity Archive reading of U.S. Food and Drug Administration listings for Cardarine at the reviewed date, not a legal opinion. Rules change, and importing, prescribing and possessing a compound can each be treated differently. Check the regulator directly before acting on anything here.
Cardarine in other countries
Frequently asked questions
Is Cardarine legal in the United States?
No. Cardarine is not an approved medicine in the United States; its classification is "Not approved; sold 'for research use only'". Nothing containing it is authorized for any use in people. Vials labeled "for research use only" are not exempt: that label does not make human use lawful. Human evidence: Preliminary. Note: Prohibited in sport (WADA S4.5); products seized by regulators
Can I buy Cardarine in the United States?
No approved product exists to buy. In the United States Cardarine is classified as "Not approved; sold 'for research use only'", so there is no licensed pharmacy product. Vendors selling it "for research use only" are not selling it for human use, and that label does not change its legal status. This site does not list or recommend vendors. Note: Prohibited in sport (WADA S4.5); products seized by regulators
Is Cardarine FDA approved?
No. FDA status: Never approved; development halted for carcinogenicity. Current US classification: "Not approved; sold 'for research use only'". Evidence level: Preliminary.
Related compounds in the United States
Full research profile
Mechanism, cited studies, FDA status and the full legal summary for Cardarine live on its compound profile.
Cardarine profileThis page is general information about the regulatory status of Cardarine in the United States, current as of Sep 2026. It is not legal advice, and classifications change; check U.S. Food and Drug Administration directly or consult a lawyer for a specific situation. Educational use only. This database summarizes published research. It is not medical advice and contains no dosing protocols or recommendations for personal use. The Longevity Archive has no vendor relationships and does not recommend where to buy anything.