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Routes of hydrogen administration and their characteristics
| Dosage form | Administration route | Characteristics |
|---|---|---|
| Hydrogen gas | Inhalation | Simple method; rapid action |
| Hydrogen water | Oral intake | Portable, safe, and convenient |
| Bath | ||
| Hydrogen saline | Peritoneal injection | Provides highly accurate hydrogen doses; produces neuro-protective effects; treats eye diseases |
| Intravenous injection | ||
| Intrathecal injection | ||
| Eye drops | ||
| Hydrogen nanocrystals | Oral intake | Highly targeted effects |
| Injection |
