iodine

i seen post by others that since we restrict ourselfs from sodium we need find other sources for our iodine ,but./ some authorithies believe that now adays we have overdose of iodine in our diet

since when is vitamin d2 from plants and vitamin d3 from human ,as somone postet,as far i know d2 is lab made ,using plant based as the source,d3 is natural based animal derived

glycine and taurine

high doses of l glycine ,will un balance and deplete l taurine?