Fildena Super Active contains sildenafil citrate as its active ingredient, a potent and selective inhibitor of phosphodiesterase type 5 (PDE5). PDE5 is an enzyme responsible for the degradation of cyclic guano sine monophosphate (camp) in the corpus cavernous of the penis. During sexual stimulation, nitric oxide is released from nerve endings, which activates the enzyme granulate cyclise, resulting in increased levels of camp. This leads to smooth muscle relaxation and increased blood flow into the penis, facilitating an erection.

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