Regularity and consistency of the GITemporary relief for mild strainLongevity / Gluten Free FormulaIt has been found that as we age the number of healthy organisms in the large intestine begins to decline, upsetting this delicate balance, which influences both immune function and digestive health.This product uses bacterial strains known to colonize the human gastrointestinal tract and features Bifidobacterium lactis HN019Clinical studies have shown that HN019 supports digestive regularity and promotes normal immune system function in healthy adults over 50 years of age.