Table 1.
Hydrogen (H2) gas inhalers (products) in the market
| Product name | Supplier | H2 concentration (%) | Method |
|---|---|---|---|
| MHG-2000α | MiZ Co., Ltd., Kanagawa, Japan | 6.6±0.2* | Electrolysis |
| Hycellvator | Helix Japan Co., Ltd., Tokyo, Japan | 66# | |
| H2 Life | JWS International Corp., Tokyo, Japan | 66# | |
| HydroPower | Brain Hokkaido Co., Ltd., Hokkaido, Japan | 66# | |
| HydroUni | Univers Co., Ltd., Tokyo, Japan | 66# | |
| Hydrogen Generator | OPS Inc., Tokyo, Japan | 66# | |
| AMS-H | Asklepios Medical Co., Ltd., Tokyo, Japan | 66# | |
| La Briller Luxe | ISMZ Co., Ltd., Osaka, Japan | 98 | |
| Hydrogen Inhaler (Table top type) | Kenko Shien Center Co., Ltd., Aichi, Japan | 99 | |
| Suiso Care | Kenko Co., Ltd., Gifu, Japan | 99 | |
| PHG-150TA | Eco Higashinippon Co., Ltd., Fukushima, Japan | 99 | |
| Suisonia | Earth Engineering Co., Ltd., Fukuoka, Japan | ND | Pyrolysis |
| HydroRich | Pal Corporation, Tokyo, Japan | 99 | Chemical reaction |
| Hydrogen Generator | Kanon Co., Ltd., Osaka, Japan | 99 | |
| MYC Hydro One | MYC Co., Ltd., Kumamoto, Japan | 99 |
Note: *Data are expressed as the mean ± SD of 5 apparatus. #H2 and O2 gas mixed type. ND: Not detected.