An exclusive formula – Carefully developed with the intent to promote digestive and immune health*, Bio-K+ probiotic capsule supplements are available in a wide array of potencies. Unique formula contains bacteria of human origin that can also be found naturally in the gut, thus supporting a healthy and balanced intestinal flora to support overall health and well+being. Bio-K+ ExtraCARE+ 80 billion is a great option for those who need extra support; a stronger alternative for better benefits.