Immuno-DMG Chewable with Elderberry & Vitamin D3 is an advanced nutritional supplement combining Gluconic DMG, Maitake PD-Fraction (Maitake Mushroom Extract), & Larch Tree Arabinogalactan Powder with Beta 1, 3 Glucans. This synergistic & powerful blend combined with Vitamins C, D & E, Zinc, Elderberry & Astragalus work to support Immune System Function in a great tasting chewable tablet.