Nature, Body and Mind, Inc., Portland, OR, has released Extreme Immunity, a new, natural powdered source of five essential immunoglobulins, the five immunoglobulins that fight off microbial challenges to the human body. Extreme Immunity is a purified immunoglobulin protein isolate, manufactured in the U.S. and contains a minimum of 45% IgG, the single most important immunoglobulin in the human body.