methylstenbolone

Other names: 2,17a-dimethyl-17b-hydroxy-5a-androst-1-en-3-one, Ultradrol, M-Sten

Classifications: 6000

Reasons for prohibition: - [{"reason_code": 6009, "reason": "WADA S1: Anabolic Agents", "link": "https://www.wada-ama.org/en/prohibited-list", "guid": "45aac7e6-3bec-4832-a1ad-6c18ed0cc070", "link_title": "WADA Prohibited List S1: Anabolic Agents", "updated": {"_seconds": 1703682746, "_nanoseconds": 731000000}}, {"reason_code": 6019, "reason": "FDA Warning Letter", "link": null, "guid": "1cd0ab89-14ce-43c2-a804-e4b29b8780fe", "link_title": null, "updated": {"_seconds": 1711571477, "_nanoseconds": 43000000}}]

References: - {'title': 'FDA Warning Letter', 'url': 'https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/warning-letters/hardcore-formulations-522783-06052017'}

Reason: WADA S1: Anabolic AgentsFDA warning letter: synthetic steroid that does not constitute a dietary ingredient

Searchable name: methylstenbolone

GUID: a85eda48-6a96-435c-b8c4-4ff0348155ce

Added: 2026-01-01T00:09:47.312568+00:00

Updated: {"_seconds": 1709574401, "_nanoseconds": 236000000}