Brand from United States: Nature's Way. DESCRIPTION: Turn to Primadophilus Fortify Age 50+ to help replenish Bifidobacteria levels that may decline with age.* With researched strains BI-04, Bi-07, HN019 & NCFM, this formula helps support colon health & regularity plus immune health. Direction: Take 1 capsule daily. May be taken at any time, with or without food. If taking any medications, consult a healthcare professional before use.