Bifidus artistic Bifidobacterium  (often referred to as Bifidus ) is a genus of probiotic bacteria naturally found in the human gut, particularly in infants. It has been widely studied for its role in digestion and immunity. First discovered over a century ago, these bacteria remain central to our understanding of how beneficial microbes support human health. The story of Bifidobacteria began in 1899, when Dr. Henry Tissier, a French paediatrician working at the Pasteur Insti