Reducing and Complexing Thiol

Where is Tiopronin made?

8 companies sell it under their own name. Their labels name 3 factories in India and the United States.

India 2United States 1
India: 2United States: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Amneal Pharmaceuticals300 mg · NDC 60219-2009 Amneal Pharmaceuticals Private LimitedMakes it, tests it, packages it and labels it Ahmedabad, IndiaNo problems foundJul 2024
Biocomp Pharma, Inc.100 mg, 300 mg · NDC 44523-054, 44523-053, 44523-055 Mission Pharmacal CompanyMakes it, tests it, packages it and labels it Boerne, TX, United StatesProblems found, fixed voluntarilySep 2022
Cycle Pharmaceuticals Ltd.100 mg, 300 mg · NDC 70709-121, 70709-123 Optimus Pharma Private LimitedMakes it Hyderabad, IndiaProblems found, fixed voluntarilyOct 2025
Mission Pharmacal Company Thiola EC, Thiola100 mg, 300 mg · NDC 0178-0902, 0178-0900, 0178-0901 Mission Pharmacal CompanyMakes it Boerne, TX, United StatesProblems found, fixed voluntarilySep 2022
Torrent Pharma, Inc.100 mg, 300 mg · NDC 13668-691, 13668-692 Optimus Pharma Private LimitedMakes it Hyderabad, IndiaProblems found, fixed voluntarilyOct 2025
Par Health USA, LLC100 mg, 300 mg per 1 · NDC 0254-3034, 0254-3035The label doesn't name the factory. Plants this company names for other drugs
Teva Pharmaceuticals USA, Inc.100 mg · NDC 0093-7909The label doesn't name the factory. Plants this company names for other drugs
Teva Pharmaceuticals, Inc.100 mg, 300 mg · NDC 0480-9227, 0480-7824The label doesn't name the factory. Plants this company names for other drugs