Tadalafil is active in Vidalista Black 80 mg. It is a medication used to treat erectile dysfunction in men. It is a generic FDA-approved medication that anyone can use after speaking with his or her doctor. Vidalista Black 80 is a combination of PDE5 inhibitors that have been scientifically proved. Treatment for erectile dysfunction. Vidalista Black 80mg is a typical medication for erectile dysfunction and male impotence. Tadalafil Citrate is the primary ingredient in Vidalista Black pills. It is the key ingredient in the vast majority of generic medicines used to treat erectile dysfunction. Erections become less effective as blood circulation to the penis improves. To get the most out of Vidalista Black 80mg tablets, take them at least 30 minutes before sexual activity. The effects of the tablets last for 36 hours.