Designs For Health IgGI Shield™ IgGI Shield™ combines ImmunoLin® with N-acetyl-D-glucosamine to support the structure of the cells of the intestinal lining and to promote a healthy inflammatory response in the cells of the gastrointestinal (GI) tract. These ingredients work together to provide support to the intestinal barrier and to support gut immune health. ImmunoLin®, a serum-derived bovine immunoglobulin concentrate (SBI), is the only purified, dairy-free source of immunoglobulin G (IgG) available as a dietary supplement. Immunoglobulins play an integral role in the support of healthy immune function at the gut and systemic levels. N-acetyl-D-glucosamine promotes healthy immune function by promoting a balanced immune response. Supports gut health Supports healthy intestinal cells Supports gut and systemic immune function Supports GI barrier integrity Ingredients Serving Size: 1 Scoop (3.5 grams) Amount/Serving Calories 15 Total Carbohydrate less than 1 g Protein 2 g Serum-Derived Bovine Immunoglobulin Concentrate (ImmunoLin®) 2.5 g Immunoglobulin G (IgG) (from ImmunoLin®) 1.1 g N-Acetyl-D-Glucosamine 1 g Gluten Free. Dairy Free. Soy Free. Non-GMO. Suggested Use Mix 3.5 grams (approximately one scoop) in water or other liquid per day or as directed by your health-care practitioner. More Info. 2.5 g of ImmunoLin® SBI per serving to support gut health and promote a healthy gut immune system 1.1 g of IgG per serving from ImmunoLin® to support a normal immune response 1 g of N-acetyl-D-glucosamine per serving to support normal immune function and gut health