Nature's First Immune Defense Guaranteed 40% Immunoglobulin Content Supports Healthy Immune Response Supports Normal GI Tract Health Gluten Free Dietary Supplement Immune Factors Assured Quality Purity High Yield Immunoglobins from Symbiotics Symbiotics Colostrum High-Ig guarantee a minimum 40% level of Immunoglobulins for people who want extra support from this essential Colostrum component. The lmmoglobulin content found in this product significantly surpasses the levels of in normal human Colostrum! Colostrum High Ig is for those with GI tract stress and for athletes or others whose bodies are under sustained physical stress. Symbiotics Colostrum High-Ig Includes the full range of immune factors including IgA, IgD, IgE, and IgM, as well as IgG, for dual action in the bloodstream and also in the GI tract, it helps maintain healthy intestinal flora. Its growth factors may enhance stamina and support normal re-growth of tissue and lean muscle after strenuous physical exercise. Quality and Purity Assured: Our colostrum is sourced exclusively from the first milking of cows not treated with rBST^ at USDA Grade A Dairies. All colostrum is laboratory tested and verified free from pesticides, antibiotics. ^The FDA has determined that there is no significant difference between cows treated with rBST and those not treated.