The active ingredient in Tadarise,tadalafil, is similar to the active ingredient in other medications that are authorized for the treatment of erectile dysfunction. It comes in a range of packaging options. The jelly melts in your mouth. Some are used in combination with other medications and come in the form of effervescent tablets. Like other products requiring registration, this one should be taken at least half an hour before having sex. It is only effective in conjunction with sexual stimulation. One tablet should be taken every twenty-four hours, as recommended.