The main active ingredient in Fildena 100 is sildenafil citrate. The effect of erection is achieved due to blood flow and maintenance of blood in the cavernous body of the penis. Fildena 100mg tablets are known to be safe from patients. If possible, avoid heavy meals before taking the drug. You can also use Kamagra jelly for the solution of another tablet ED, which you can buy online from our site.