CATALO's Natural Colostrum 30% IgG Immunoglobulin Formula is crafted from premium colostrum sourced from healthy cows within 24 hours after calving in the USA. Processed using low-pressure and low-temperature techniques, this supplement preserves maximum bioactivity, delivering a rich blend of five natural immunoglobulins: IgG, IgA, IgE, IgM, and IgD, with IgG being the most abundant. Each capsule provides 500mg of colostrum extract, standardized to contain up to 150mg of IgG, supporting immune function, gut health, and overall vitality.