Seirogan was first used as a herbal dietary supplement since 1902. The Trumpet trademark Seirogan is well known around the world.

Products including: Seirogan 400 Pills, 100 pills & Seirogan Toi-A 36 Pills.

Major ingredient: In addition to JP wood creosote, Seirogan is made with natural ingredients like JP powdered Gambir, JP powdered Phellodendron Bark, JP powdered Glycyrrhiza, and JP powdered Citrus Unshiu peel.