October 24, 2026

Introduction:Luckin Coffee has launched a nationwide release of its lactobacillus Americano in collaboration with the popular internet IP "Silly Cat." This drink, previously limited to Shanghai, sparked widespread discussion online due to claims of its "miraculous laxative effects." Consumer feedback has been mixed—some report quick relief, while others experience no effect at all. This article explores the synergy between lactobacillus and caffeine through an analysis of the drink’s ingredients, real user experiences, expert opinions, and offers purchasing and consumption advice.

Recently, Luckin Coffee partnered with the highly popular internet IP "EverydayOneCat (Silly Cat)" to release two seasonal limited-edition drinks—the Lactobacillus Americano and Lactobacillus Iced Tea. The Lactobacillus Americano was previously available as a Shanghai-exclusive item back in October last year, attracting many coffee enthusiasts eager to try it. Now, this once "limited-edition" drink has made a nationwide comeback, accompanied by a collaborative campaign that has quickly triggered a buying frenzy among consumers.

However, unlike typical new drink launches that focus on flavor profiles, the spotlight for this lactobacillus Americano has shifted to its so-called "special effects." Online discussions aren’t centered around taste but rather whether this combination of lactobacillus, caffeine, and ice can truly alleviate constipation—so much so that some netizens have jokingly dubbed it "the poop water."

Lactobacillus is widely believed to help promote intestinal motility, and caffeine also stimulates the digestive system. Add to that the extra irritation from ice for sensitive stomachs, and in the eyes of netizens, this trio in the lactobacillus Americano is a "stacked-effects" combo. That’s why the number of pocket tissues included with each drink has also become a talking point—each cup comes with three packs of co-branded tissues, compared to just one pack with last year’s prune Americano, leading some to speculate if its "potency" is even stronger.

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Based on feedback from social media users, the effects of the lactobacillus Americano vary greatly from person to person. Some customers reported "instant results," such as "three packets of tissues are justified—one isn’t nearly enough," or "drank it at nine, and by nine-fifty I was in full flow." Others even compared it to the prune Americano, claiming the lactobacillus version had a "more noticeable effect," with multiple bathroom trips occurring in the afternoon after drinking it in the morning. However, many users reported no effects whatsoever, deeming its "miracle laxative" reputation exaggerated.

Observers have pointed out that although the lactobacillus Americano does contain ingredients like lactobacillus and caffeine that may aid intestinal movement, individual constitutions vary greatly, and reactions to these components differ from person to person. It’s entirely normal that some users with "iron stomachs" see no expected results.

Industry insiders remind consumers that the lactobacillus Americano is fundamentally still a coffee beverage, not a health product specifically designed to treat constipation. They advise drinking in moderation based on one’s own gastrointestinal condition and paying attention to post-consumption reactions to avoid disappointment from overly high expectations. For those with more sensitive stomachs, it’s recommended to try a small amount first and observe how the body responds before deciding whether to continue drinking.

In summary, whether the lactobacillus Americano can become a "laxative miracle" ultimately depends on individual constitution and how it’s consumed. While enjoying this novel co-branded drink, consumers should also approach online rumors rationally and make choices based on their own needs.

The above content is compiled by CoffeeHunters, a coffee news website.

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