Provides Powerful Immune Factors With Colostrum Plus® Stimulates Immune Activity Helps Maintain an Un-Inflammed GI Tract Symbiotics® Multi-nutrient Immune Formula provides extra support when your body is under environmental or physical stress. Arabinogalactan - enhances the growth of beneficial intestinal microflora and stimulates non-specific immune activity.Beta 1-Glucan - primes the immune system by increasing production of immune stimulating agents. Lactoferrin - Robs microbes of iron they need to multiply, enhances oxygenation of tissues and stimulates white blood cell activity. Olive Leaf Extract - is an antifungal and strong antioxidant to protect the body from free radical damage.Symbiotics® Immune Formula contains Colostrum Plus® so it actually replenishes your immune defense system with the full range of Immunoglobulins including IgA, IgD, IgE, IgG and IgM. Colostrum is the only supplement you can take to add back antibodies and immune factors. Immune Formula helps you maintain a strong immune system with dual action in the bloodstream and in the GI tract where your need for immune defense is greatest. It helps maintain a robust intestinal lining and promotes healthy intestinal flora.Their unique BIO-lipid™ coating insures bio-availability. Without this protective layer, other Colostrums can be destroyed by stomach acids and offer limited benefits.