Clinical trials
Follow clinical development from study design and recruitment through results.
- Trial phase
- Status
- Readouts
Drug intelligence / Profile preview
Mastigen is a line of over-the-counter (OTC) nutritional supplements and drugs developed and marketed by Nippon Zoki Pharmaceutical in Japan. The flagship product, Mastigen Tablets, is a Class 2 OTC drug formulated to treat anemia and relieve associated symptoms such as fatigue, lethargy, and dizziness. The formulation contains soluble ferric pyrophosphate as an easily absorbable iron source, combined with ascorbic acid (vitamin C) to enhance iron absorption, tocopherol acetate (vitamin E) to protect red blood cells, and cyanocobalamin (vitamin B12) and folic acid to support red blood cell production. Other products in the line include Mastigen BB Jelly Tablets for skin conditions and fatigue, and Mastigen-S oral liquid for general nutritional supplementation.
Beyond the preview
Explore the evidence, development activity, and competitive landscape with Gosset’s full data platform.
Follow clinical development from study design and recruitment through results.
Explore development by indication, patient population, and geography.
Trace asset ownership, licensing agreements, and commercial partnerships.
Explore the patent landscape and regulatory exclusivity around an asset.
Compare development programs by target, modality, and indication.
Connect source evidence and development news to your research questions.
See how Gosset can support your research on Mastigen.