Various embodiments of the present invention are directed toward a method for preparing probiotic nanoparticles from natural sources, comprising performing a biological preparation phase such as isolating any cells derived from either prokaryote or eukaryote cells, performing a chemical preparation phase such as performing an enzymatic procedure (or heating, or chemicals) for killing or obtaining cell derived ingredients, performing a physical preparation phase such as performing ultrasonication, and performing a formulation preparation phase such as powderized drying.
