IgGI Shield™ by Designs for Health is a powerful blend of ImmunoLin® and N-acetyl-D-glucosamine (NAG) formulated to promote gut and immune health. ImmunoLin®, a dairy-free, serum-derived bovine immunoglobulin (SBI), provides purified IgG to support optimal immune function at both gut and systemic levels. NAG complements this by maintaining the integrity of the intestinal mucosal barrier and enhancing immune defense. Together, they help promote balanced immune and inflammatory responses while supporting the body’s natural clearance of microbes and toxins from the GI tract.