Integrated mixotrophic fermentation method comprising (i) an isolated naturally acetogenic organism; (ii) a first feedstock comprising a carbon source for use in a fermentation medium; (iii) a second feedstock comprising elemental hydrogen for use in the fermentation medium; wherein the second feedstock comprises performing electrolysis; and (iv) culturing the organism in the fermentation medium, whereby both feedstocks are metabolized and a fermentation broth is formed, which broth comprises at least one bioproduct.