Jeju ground water containing vanadium induced immune activation on splenocytes of low dose γ-rays-irradiated mice

► Jeju ground water can lead to resistance against radiation-induced immune suppression. ► 0.245 μM NaVO3 corresponds to the amount of vanadium in Jeju ground water. ► 0.245 μM NaVO3 treatment restores the population of antibody-producing B cells.