Alflorex Immune contains the unique PrecisionBiotics PB – VIR Culture. This naturally occurring culture is part of the Bifidobacteria family of bacteria given by mother to baby at birth. The PB – VIR culture has been specially formulated with extra strength Vitamin D to support the the immune system Ingredients Isomalt, Cellulose microcrystalline, natural bacterial culture*, magnesium stearate, flavourings, sucralose, Vitamin D3 (cholecalciferol) Contains 1 billion (1 x 109) Bifidobacterium Longum PB – VIR Colony forming units (CFUs)at the time of manufacture. Directions Take one Alflorex Immune tablet daily and let it dissolve slowly in the mouth.