| Features | |
| Also known as | Fluoxymesterone |
| Blood pressure | Can cause hypertension |
| Chemical name | 9-fluoro-11,17-dihydroxy-17-methylandrosta-1,4-dien-3-one |
| Dosage (medical) | 5-20 mg per day |
| Dosage (sports) | 10-40 mg per day |
| Effects | Increases strength, enhances muscle density, improves aggression |
| Formula | C20H29FO3 |
| Half-life | Approximately 9.2 hours |
| Hepatotoxicity | High |
| Lab Test | Liver function tests |
| Main action | Increase in lean muscle mass and strength |
| Side effects | Liver damage, aggression, acne, changes in blood lipids, masculinization (in females) |
| Storage conditions | Store at room temperature away from moisture and heat |
| Strength | 10 mg |
| Substance class | Anabolic Androgenic Steroid |
| Trade name | Halotestin, Ultandren |
| Use in sports | Used by athletes in sports requiring strength and where weight categories are involved |
| Water Retention | No |
| Manufacturer | Bioniche Pharmaceuticals |