Why a Flavored Latte Can Upset Some Stomachs

Manner's new collaboration with the Museum of Art Pudong pairs a limited canvas tote bag with a roasted caramel-flavored latte inspired by Turner's painting. The merchandise sold quickly, but many consumers reported diarrhea, vomiting and other gastrointestinal discomfort after drinking the latte, with some blaming the thick milk or the cold drink itself.

The drink is a flavored latte built on espresso with added syrup, and staff often reduce syrup on request. How a body reacts depends on what does coffee have in it plus the milk and syrup, and on personal tolerance. The latte milk to coffee ratio also varies, so customers sensitive to dairy or sugar may want to ask before ordering.

Manner has once again teamed up with the Museum of Art Pudong, launching a limited-edition canvas tote bag and a roasted caramel-flavored latte inspired by Turner's masterpiece "The Blue Rigi, Sunrise," attracting a flood of fans eager to snap them up. However, this new release has sparked a different kind of discussion on social media: many consumers reported experiencing diarrhea, vomiting, and other gastrointestinal discomfort after drinking it, with some suspecting it was related to ingredients such as thick milk or the stimulation from the iced beverage. As lovely as the merch may be, the coffee-drinking experience has put some people off, with some even treating it as a "laxative miracle." This article sorts through the ins and outs of the incident and presents feedback from multiple sides.

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Recently, Manner launched yet another collaboration with the Museum of Art Pudong, this time drawing design inspiration from Joseph Mallord William Turner's "The Blue Rigi, Sunrise," simultaneously releasing a limited-edition canvas tote bag and a roasted caramel-flavored latte.

Last December, when the two parties first collaborated, the limited-edition canvas tote bag themed around Manet's "A Amazon" ("The Female Rider") sparked a buying frenzy among fans. Since then, the two have joined hands multiple times, and each round of limited-edition merch has captured the attention of art lovers.

This new collaboration is no exception. Many fans were full of anticipation after seeing photos of the merch posted by staff, and as soon as the limited-edition set launched, they rushed to place orders, happily taking photos to share once they got their oil-painting-style canvas tote bags.

However, for Manner's fans, while getting the beautiful tote bag they desired is certainly a joy, the two new drinks placed before them are a bit of a dilemma. It is understood that this limited-edition drink is a roasted caramel-flavored latte, and from the name alone, it is clearly a flavored latte with a specific syrup added. Customers who dislike sweets feel pressure the moment they hear the name, worried they will end up with an overly sweet, cloying drink.

Fortunately, most Manner staff will reduce the amount of syrup according to note requests, so the drink is not as cloyingly sweet as expected. But at the same time, the sudden after-effects of drinking the new product caught many who tried it off guard.

One netizen shared that they and a friend bought Manner's limited-edition set in order to get the merch, but unexpectedly, not long after finishing one cup of the new drink, they were frequently running to the bathroom. The customer said that both they and their friend drink coffee regularly and had never gotten diarrhea from a latte before, so it should not be due to a dairy allergy. But after trying Manner's new hot drink, both of them "crashed," and the poster was extremely surprised by this.

There are quite a few consumers who encountered similar situations. They reported experiencing varying degrees of diarrhea after drinking the new product: "From yesterday morning until now, at least 10 times, and it feels like whatever I eat comes out completely unchanged...", "It was a total mess, I thought I'd eaten something bad," "When I drank a cup in the morning, I went three times," "After drinking it, I was vomiting and having diarrhea, and I still haven't recovered."

In response, some suspect that in addition to milk, Manner's new drink may also contain other ingredients such as thick milk, causing some lactose-intolerant consumers to experience obvious allergic reactions after drinking it, with uncontrollable vomiting and diarrhea. Others speculate that the iced beverage irritated the stomach and intestines, causing those with weaker digestive function to have continuous diarrhea.

Based on consumers' feedback, many netizens said outright that they had been deterred, and no matter how nice the merch was, they would not buy the casket for the pearl and force themselves to drink a cup of "colon-cleansing coffee."

But users troubled by constipation, upon hearing the news, felt as if they had discovered a treasure and transformed into brave warriors challenging this new Manner product, personally verifying whether it really has miraculous effects.

Image source: Xiaohongshu

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