Fildena 100 mg containing sildenafil citrate as main component helps relax blood vessels for smooth blood flow to the erectile tissues of the male genitals by inhibiting PDE-5 enzymes. This enzyme reduces blood flow in the erectile tissues of the male reproductive or*an. After c-GMP induction, nitric oxide inactivates the enzyme and increases blood flow through the male reproductive or*an, improving its erectile function.
Which is better: Modafinil and Adderall? Explain
