A.H.C.C.® Plus – Immune Support Mushroom ExtractA. H. C. C. Plus Advanced Mushroom Extract + Arabinogalactan for Immune Support Product Overview A. H. C. C. Plus from Douglas Laboratories features a clinically researched, immune supportive mushroom extract known as A. H. C. C. (Active Hexose Correlated Compound), combined with arabinogalactan from the Western Larch tree. This unique pairing provides broad spectrum support for the bodys immune defenses, healthy cell function, and overall wellness.*