glutathione peroxidase assay kit (GPx) activity Throughput Systems Total Glutathione Peroxidase Assay Kit
Description
Med 2012, 745483
Going a little deeper: SIgG (secretory IgG) can be found in human milk in small quantities (in bovine milk it is the main immunoglobulin)

Ask whether the appearance matches their quality specifications for that lot

Always verify coverage and authorization requirements with the specific state plan before administering
