At the factory of Naganoken Seiyaku, there is a factory tour that you can see the manufacturing line of Hyakusogan. It has also the shop that you can buy Hyakusogan and other medicines.
Hyakusogan : Ingredients
The skin of Amur Corktree
The skin of Magnolia obovata
Geranium thunbergii
Atractylodes japonica
Swertia japonica
Great for Over eating and over drinking.
The problem with a stomach.