The human body contains 20 times more bacteria than it does human cells. Maintaining a balance between good & bad bacteria is good health. Bio culture contains up to 10 billion "friendly" bacteria (probiotics) scientifically proven to promote a healthy digestive system at times of stress, holiday travel, over-indulgence, for individuals who take the contraceptive pill & after a cource of antibiotics. Bio-Culture is specifically formulated to be stable at room temperature & comes in a hermetically sealed tube for added freshness.