Prescription drug

Where is Viltolarsen made?

1 company sell it under their own name. Their labels name 3 factories in Japan.

Japan 3
Japan: 3

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
NS Pharma, Inc. Viltepso250 mg · NDC 73292-011 Ajinomoto Co., Inc.Makes the active ingredient Yokkaichi, JapanProblems found, fixed voluntarilyNov 2025
Nippon Kayaku Pharmatech Co., Ltd.Makes it Toyama, JapanProblems found, fixed voluntarilyNov 2022
YMC Co., Ltd.Makes the active ingredient Komatsu, JapanNot inspected on record