Located in North Sioux City, South Dakota, Nutraferma is a leading manufacturer of innovative proteins and unique direct-fed microbials, which are produced through solid-state fermentation - an all-natural, efficient manufacturing process. Nutraferma's product line includes PepSoyGen®, a new generation soy-based peptide and Naturfermen, a direct-fed microbial with patented strains of Aspergillus oryzae, Bacillus subtilis and valuable metabolites.