Honso formulas are clinical-proven and evidence-based. Chinese herbal formulas are regulated as pharmaceutical prescription drugs in Japan. Since the 1960’s, Japanese researchers have gradually validated Kampo formulas with laboratory and clinical studies. Hundreds of research papers have been published in peer-reviewed scientific journals. Honso products such as Sho-Saiko-To (Xiao Chai Hu Tang, H09) are in clinical trials for liver diseases at New York Memorial Sloan-Kettering Cancer Center and UCSD Liver Center. Many of the granular and soft gel formulas are based on classical Chinese texts and have been applied to modern day conditions. It is the combination of time tested formulas, modern research analysis, and highly effective dosage method that makes Honso’s products truly unique.

Most of the Japan’s research are published using the generic names of Kampo formulas. The links below will bring up the related research on each herbal formula from the PubMed Database by the National Library of Medicine.

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Japanese Name

Chinese Name

PubMed Link

H03

Otsuji-to

Yi Zi Tang

H05

Anchu-san-ryo

An Zhong San

H06

Jumi-haidoku-to

Shi Wei Ba Du Tang

Click Here

H07

Hachimi-jio-gan

Bai Wei Di Huang Wan

Click Here

H08

Dai-saiko-to

Da Chai Hu Tang

Click Here

H09

Sho-saiko-to

Xiao Chai Hu Tang

Click Here

H11

Saiko-keishi-kankyo-to

Chai Hu Gui Pi Gan Jiang Tang

H12

Saiko-ka-ryukotsu-borei-to

Chai Hu Jia Long Gu Mu Li Tang

Click Here

H13

Sanou-shashin-to

San Huang Xie Xin Tang

Click Here

H14

Hange-shashin-to

Ban Xia Xie Xin Tang

Click Here

H15

Oren-gedoku-to

Huang Lian Jie Du Tang

Click Here

H16

Hange-kokuboku-to

Ban Xia Hou Po Tang

Click Here

H20

Boi-ogi-to

Fang Ji Huang Qi Tang

Click Here

H21

Shohan-geka-bukuryu-to

Xiao Ban Xia Jia Fu Ling Tang

H23

Toki-shakuyaku-san

Dang Gui Shao Yao San

Click Here

H24

Kami-shoyo-san

Jia Wei Xiao Yao San

Click Here

H25

Keishi-bukuryo-gan

Gui zhi fu ling wan

Click Here

HG32

Ninjin-to

Ren Shen Tang

Click Here

H39

Ryokei-jutsukan-to

Ling Gui Zhu Gan Tang

H40

Chorei-to

Zhu Ling Tang

Click Here

H41

Hochu-ekki-to

Bu Zhong Yi Qi Tang

Click Here

H43

Rikkunshi-to

Liu Jun Zi Tang

Click Here

H45

Keishi-to

Gui Zhi Tang

Click Here

H48

Juzen-taiho-to

Shi Quan Da Bu Tang

Click Here

H60

Keishika-shakuyaku-to

Gui Pi Jia Shao Yao Tang

Click Here

H61

Tokakujoki-to

Tao He Cheng Qi Tang

H68

Shakuyaku-kanzo-to

Shao Yao Gan Cao Tang

Click Here

H71

Shimotsu-to

Si Wu Tang

Click Here

H79

Heii-san-ryo

Ping Wei San

Click Here

H118

Ryokyo-justsukan-to

Ling Jiang Zhu Gan Tang