I have to see the constitut at the hospital on Wednesday my aniexty so high and last time my son had bloods done he was high in b12 they retest him and he was high again 3 months later and nothing been done for a year and the other day I got a call from hospital saying he has an appointment due to the high b12 my anxiety so high he only 5 years old has anyone kid ever had high b12 without supplements and been fine