Glutathione Benefits, Skin Whitening, Dosage & Side Effects Use of Glutathione, Pure or as a Specific Inactivated Yeast, as an Alternative to Sulphur Dioxide for Protecting White Grape Must from Browning Fungal overgrowth is an overgrowth of fungi, most commonly, the overgrowth of the yeast Candida in your body. You've probably heard about small intestinal bacterial overgrowth (SIBO). But it may that fungal Glutathione rich yeast extract improves alcohol associated liver diseases through the improvement of mitochondrial dysfunction and oxidative stress by activating SIRT3 ScienceDirect