Sildenafil citrate is found in Cenforce tablets. For the treatment of erectile dysfunction and impotence, even today the doctor advises most men to buy Cenforce d tablet. You should not consume alcohol while taking this tablet. taken 1 hour before. The... moreSildenafil citrate is found in Cenforce tablets. For the treatment of erectile dysfunction and impotence, even today the doctor advises most men to buy Cenforce d tablet. You should not consume alcohol while taking this tablet. taken 1 hour before. The effect of this tablet lasts for 4 to 6 hours.