Features clinically effective doses of strains Bifidobacterium lactis Bl-4 and combination of Lactobacillus acidophilus NCFM and Bifidobacterium lactis Bi-7 to support healthy respiratory function*. Features the clinically effective doses of a combination of Lactobacillus acidophilus NCFM. Bifidobacterium lactis Bi-7. Lactobacillus paracasei Lpc-37. and Bifidobacterium lactis Bl-4. shown to support healthy intestinal microbial stability and relief of occasional loose stools*. Features the clinically effective dose of Bifidobacterium lactis HN19 that may help support healthy gastrointestinal motility*. Features Lactobacillus rhamnosus GG. one of the most widely studied strains for gastrointestinal and immune health benefits*.