If you feel like you keep hearing the word “Yakult” everywhere, you are not alone. Yakult, the probiotic smoothie beverage created by microbiologist Minoru Shirota in Japan in the 1930s, has been having a moment since it recently appeared in the Netflix movie To All the Boys I’ve Loved Before. If you have seen the movie, then you may remember the scene where one of the love interests of Lara Jean, Peter Kavinsky, takes a swig of the drink and exclaims, “Oh, wow, that is really good!” afterward. And the rest is history.

Since its appearance in the hit movie that came out in August, Yakult has been flying off supermarket shelves, with its stock on Amazon sold out as well. Yakult does contain a good amount of probiotics — 6.5 billion per bottle (!) — and probiotics can help aid the body in everything from boosting your immune system to keeping your heart healthy.