Acute Immune Benefits™ Liquid brings together two potent nutrients that can help support immune system function and help maintain optimal health: Maitake PD-Fraction and Gluconic DMG. Maitake PD-Fraction® is a trademarked brand of highly purified, standardized extract of Maitake mushroom that yields 30% pure D-Fraction®. Gluconic® DMG from DaVinci® Laboratories of Vermont is a metabolic enhancer that promotes a strong immune system.*   Product fact sheet