Yakult is a probiotic fermented milk drink that contains over 6.5 billion beneficial bacteria Lactobacillus casei strain Shirota (LcS) in every bottle. Yakult bacteria Lactobacillus casei strain Shirota (LcS) reachs the intestine alive and helps improve the intestinal function and builds immunity. Yakult is sold globally and over 35 million people enjoy the delicious taste of Yakult.