CvacNow.com – CVAC or “cyclic variations in altitude conditioning” as seen on the doctors show presented by Nick Delgado PhD and Alvin Yee MD of the Delgado Protocol in Newport Beach California. CVAC is a hypobaric chamber operating at sea level. Known as hypoxic training or intermittent hypoxic exposure, CVAC has shown incredible results for EPO and insulin resistance. CVAC is very popular amongst athletes and MMA UFC type fighters.