Tag: Viagra chemical structure

  • Ingredients in Viagra

    Ingredients in Viagra

    Viagra is made up of several active and inactive ingredients that when combined have the ability to perform Viagra’s main function: to inhibit the enzyme phosphodiesterase 5 (PDE5). The PDE5 enzyme is responsible for controlling the blood vessels in certain parts of the body. Most people will recognize Viagra as a medication for erectile dysfunction.…