- Osamine-S Brand
- Osarstad 80 Brand
- Osartil Brand
- Osartil 50 Plus/Osartil 100 Plus Brand
- Os-Cal 250 + D 蠔貝鈣片 Brand
- Osco Pocato Brand
- Osco Xuzulex Nasal Spray Brand
- Oseltamivir Generic
- Oseni 愛適糖 Brand
- Osmolite 康營素 Brand
- Osmolite-HN 保營素HN Brand
- Ospamox Brand
- Ospen Brand
- Ospexin Brand
- Ostenil Tendon Brand
- Ostenil/Ostenil Mini/Ostenil Plus Brand
- Osteocare 維她補鈣 Brand
- Osteodiol Brand
- Osteofos Brand
- OsteVit-D Kids Drops Brand