This medication is used to treat male impotence. This medication should be taken by men 30 minutes before sexual activity. This medication has a 36-hour half-life. This medication works well to treat erectile dysfunction. Vidalista black 80 mg can be purchased online from our store. Tadalafil, an ingredient in this medication, helps men achieve a strong erection during sexual activity. Follow your doctor's advice when taking this medication. Drinks that are fatty or cold should not be combined with this medication as they will lessen its effectiveness.