Does Vilitra have a fixed duration of action? Home › Forums › Anti-Aging › Does Vilitra have a fixed duration of action? Tagged: vilitra 20 mg This topic has 0 replies, 1 voice, and was last updated 2 years, 8 months ago by VidalistaCT20Mg. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In