| Features | |
| Acne | No |
| Active Half-Life | 24-36 Hours |
| Active substance | Tadalafil |
| Also known as | Cialis, Adcirca |
| Aromatization | No |
| Blood pressure | Can cause a slight reduction in blood pressure |
| Chemical name | Tadalafil |
| Classification | PDE5 inhibitor |
| Dosage | Men 10-20mg/day |
| Dosage (medical) | 10 mg or 20 mg taken before sexual activity, not more than once per day |
| Dosage (sports) | Not typically used for sports enhancement |
| Effects | Improves erectile function, can increase exercise capacity in certain conditions |
| Formula | C22H19N3O4 |
| Half-life | 17.5 hours |
| HBR | Perhaps |
| Hepatotoxicity | No |
| Lab Test | Blood levels of tadalafil can be measured, though not commonly done |
| Main action | Increases blood flow to particular areas of the body and relaxes muscles |
| Side effects | Headache, stomach upset, back pain, muscle soreness, stuffy nose, flushing, or dizziness |
| Storage conditions | Store at room temperature away from moisture and heat |
| Substance class | Phosphodiesterase type 5 (PDE5) inhibitor |
| Trade name | Cialis |
| Use in sports | Not commonly used in sports |
| WAREHOUSE | International Warehouse 1 |
| Water Retention | No |
| Manufacturer | Centurion Laboratories |