... 1.100% natural Saccharomyces cerevisiae 2.Kosher Certificate. 3.Rich in nucleotides, nutrition of peptidea, glutathione, etc Autolysis ... of bacteria and reduce the incidence of gastrointestinal disease.Rich in small functional peptides and a variety of enzymes, ... and absorption rate, which can effectively improve feed efficiency.Rich in nucleotides, peptides and polysaccharides, such as immune active ...