Montmorillonite intercalated with glutathione for antioxidant delivery: Synthesis, characterization, and bioavailability evaluation ScienceDirect Glutathione bioavailability increases with novel formulation Most people dont realize this, but the delivery system can completely change the effectiveness of a supplement., I reviewed the data on Cymbiotikas liposomal glutathione, and what stood out was the PDF) Bioavailability Study of an Innovative Orobuccal Formulation of Glutathione