WHAT IS COLOSTRUM 30% ACTIVE Ig G? BULK POWDERS™ Colostrum 30% Active Ig G is an extremely high quality Colostrum product. Colostrum is collected in the first 12 hours, when milk is at its most nutrient dense. The products comes from farms in Europe & is ethically sourced (i.e. batches are incredibly small, to ensure ample supply of milk remains). Ig G is an abbreviation of Immunoglobulin G, which is a type of antibody. The Ig G content of BULK POWDERS™ Colostrum is measured by radial