| Active substance | Naltrexone | 
|---|---|
| Chemical name | 17-(Cyclopropylmethyl)-4,5О±-epoxy-3,14-dihydroxymorphinan-6-one | 
| Side effects | Nausea, headache, dizziness, anxiety, fatigue, insomnia | 
| Effects | Reduces cravings and feelings of euphoria associated with opioid and alcohol use | 
| Dosage (sports) | Not applicable | 
| Dosage (medical) | 50 mg once daily | 
| Half-life | Approximately 4 hours | 
| Main action | Blocks opioid receptors | 
| Substance class | Opioid antagonist | 
| Formula | C20H23NO4 | 
| Storage conditions | Store at room temperature, protect from light | 
| Trade name | Revia, Vivitrol | 
| Blood pressure | No significant effect | 
| Also known as | Nalorex, Depade | 
| Strength | 50mg | 
| Lab Test | Naltrexone levels can be measured in blood | 
| Hepatotoxicity | Rare, but can cause liver injury | 
| Water Retention | No significant effect | 
| Use in sports | Used to manage opioid dependence in athletes | 
| Manufacturer | Sun Pharma Laboratories Ltd. | 
| Packing | 10 tabs/blister | 





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