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It says, "involving chewing gum made from lablab beans (bean gum)".

https://en.wikipedia.org/wiki/Lablab --

Taiwanese researchers found that a carbohydrate-binding protein (i.e. a legume lectin) from lablab beans effectively blocks the infections of influenza viruses and SARS-CoV-2.[60] Researchers from Finland and USA found that extracts from chewing gum manufactured from lablab bean seeds had broad-spectrum anti-viral properties, likely due to the binding action of Flt3 Receptor Interacting Lectin (FRIL) on viruses; the anti-viral effect was similar to that of purified FRIL

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Lol they didn't read the article.
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Hunh I always assumed it was just some kind of modified natural rubber but it’s literally plastic (PVAc, PIB) that release microplastics into the saliva.
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Not all is, including the one mentioned in the article. There are many "natural" chewing gum brands, that use plant based gum. You can buy boxes Amazon, or usually find them in the candy aisle of higher end grocery stores. You're probably not going to find it in a gas station/convenient store.
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