Vidalista contains the active ingredient sildenafil Citrate. Each tablet of vidalista Tablets contains 20 mg or 40 mg.... moreVidalista contains the active ingredient sildenafil Citrate. Each tablet of vidalista Tablets contains 20 mg or 40 mg. Generic vidalista is that the most potent and effective male erecticle dysfunction medication and works for nearly all men. It’s a fast action time and last up to 50% longer than Sildenafil citrate.