Legal status by country
Is SS-20 legal?
Written by Aaron CuhaReviewed Sep 2026
How SS-20 is classified in the United States, United Kingdom, Australia and Canada, side by side. Each country has its own page with a direct answer, the regulator's approval status and what the classification means in practice.
All four countries, side by side
| Attribute | United States · FDA | United Kingdom · MHRA | Australia · TGA | Canada · Health Canada |
|---|---|---|---|---|
| Status | Not approved | Not approved | Not approved | Not approved |
| Classification | Not approved; research use only | Not licensed | Not approved | Not approved |
| Note | Research compound only. The related SS-31, elamipretide, is approved for Barth syndrome; SS-20 has no filing. | No MHRA licence and no registered trial. | Not on the ARTG. | Not approved. |
US FDA status: Not approved and never submitted. Its sibling SS-31, elamipretide, received accelerated United States approval in 2025 for Barth syndrome. SS-20 has no regulatory status of any kind.. Reviewed Sep 2026.
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General information current as of Sep 2026, not legal advice. Classifications change; confirm with the regulator or 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.