Yakult’s unique bacteria are scientifically proven to reach the gut alive. There are billions of unique Lactobacillus casei Shirota bacteria in each little bottle of Yakult. Yakult was first introduced in Japan in 1935 by the scientist Dr Shirota, since then Yakult is available in 33 countries and millions of people around the world drink Yakult as part of their daily routine. Yakult is fat free, gluten free and suitable for vegetarians. Yakult is available in a pack of seven, one for every dayIn the 1930's, the Japanese scientist Dr Shirota selected and cultivated a unique strain of bacteria, L. casei Shirota, which is scientifically proven to reach the gut alive! He used this strain to develop Yakult, a fermented milk drink containing billions of bacteria! Yakult. A Little Bottle of Science.0% fat, Contains L. casei Shirota, Premium quality since 1935 with L.casei Shirota, Gluten-free, Suitable for vegetarians