| Features | |
| Acne | No |
| Active Half-Life | 15-20 hours |
| Active substance | SildenafilTadalafil |
| Also known as | Viagra, Revatio |
| Aromatization | No |
| Blood pressure | Can cause transient decreases in blood pressure |
| Chemical name | 1-[4-ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenylsulfonyl]-4-methylpiperazine citrate |
| Classification | PDE5 inhibitor |
| Dosage | Men 120 mg/day |
| Dosage (medical) | Commonly 50 mg, adjustable between 25 mg to 100 mg depending on efficacy and tolerance |
| Dosage (sports) | Not typically used in sports for performance enhancement |
| Effects | Improves erectile response when a man is sexually stimulated |
| Formula | C28H38N6O11S |
| Half-life | Approximately 4 hours |
| HBR | Possible |
| Hepatotoxicity | No |
| Lab Test | Detection in blood tests for substances |
| Main action | Enhances erectile function by increasing blood flow to the penis |
| Side effects | Headache, flushing, dyspepsia, nasal congestion, impaired vision, photophobia, and blurred vision |
| Storage conditions | Store at room temperature between 15-30В°C (59-86В°F) in a closed container |
| Substance class | Phosphodiesterase type 5 (PDE5) inhibitor |
| Trade name | Viagra |
| Use in sports | Not recognized for performance enhancement in sports |
| WAREHOUSE | International Warehouse 1 |
| Water Retention | No |
| Manufacturer | Parex |