DaVinci Laboratories Vira Shield (Formerly Para-Shield) supports detoxification and the elimination of unwanted microorganisms, immune system, gatrointestinal tract, and healthy cell function. A dietary supplement that contains a combination of plant extracts that support the body's elimination of unwanted microorganisms while helping maintain proper immune system and G.I. tract functions. Recommended Use: take 2 tablets in AM on an empty stomach and 2 tablets in PM on and empty stomach. Take recommended amount for 1-3 months, or as directed by your healthcare practitioner.