What if fighting the flu or herpes was as easy as popping a piece of gum? Scientists have developed a chewing gum made from beans that packs serious antiviral power. And yes, it’s exactly as wild (and promising) as it sounds.

Let’s Talk About the New Bean-Based Antiviral Chewing Gum

We’ve got antivirals, vaccines, hand sanitizer…..and now, chewing gum!

Thanks to researchers at the University of Pennsylvania, gum has received an exciting improvement. This new chewing gum, made from lablab beans (also known as hyacinth beans), includes a natural antiviral protein called FRIL. It’s achieving remarkable results by cutting viral levels of influenza and herpes by over 95%.

Yes. Ninety-five.

But this isn’t some sci-fi fantasy. It’s science. And it’s in clinical trials

A researcher in a lab coat stands in front of shelves with plant cultures, showcasing the development of bean-based antiviral chewing gum.
Dr. Henry Daniell in his lab at the University of Pennsylvania, showcasing innovative research on bean-based antiviral chewing gum. Image Credits: Kevin Monko

Why Your Mouth Matters More Than You Think

Let’s break it down. Many viruses (including the flu, herpes, and even COVID) replicate and spread through saliva. That means your mouth is prime real estate for viruses. Every cough, sneeze, or even casual convo can spread those germs to others.

So, what if we could stop viruses right at the source?

That’s where this antiviral gum comes in. It’s designed to work where the action happens, in your mouth. It traps and neutralizes viruses before they get the chance to infect your body or someone else’s.

Meet FRIL: The Plant Protein with Superpowers

FRIL, which stands for fucose-binding lectin, is a protein found in lablab beans. It works like a tiny trap that attaches to sugar molecules on viruses, stopping them from adhering to your cells.

They create this gum using as little as 40 milligrams of bean powder, and as mentioned above, saw viral loads drop by more than 95% in simulated saliva. Even after 800 days in storage, the gum kept its power.

Oh, and the kicker? It’s shelf-stable and doesn’t need refrigeration. That makes it a low-cost, low-maintenance, and high-impact solution, especially in places where traditional meds are harder to come by.

Infographic illustrating the preparation and antiviral mechanism of lablab bean-based chewing gum, including stages of bean processing, mechanism of action against influenza and herpes viruses, and results of various tests.
Diagram illustrating the preparation and antiviral mechanisms of bean-based gum, highlighting its effectiveness against viruses like influenza and herpes. Photo credit: Yuwei Guo, Rachel Kulchar, Rahul Singh, and Geetanjali Wakade. Source: Molecular Therapy, University of Pennsylvania.

More Than Just Flu and Herpes

The research team originally explored this concept during the COVID-19 pandemic. Their earlier gum reduced SARS-CoV-2 in saliva samples by (you guessed it) over 95%.

Now, they’re expanding their research on bird flu by using lablab bean powder in animal feed as a potential means to prevent the virus from spreading among birds and, consequently, from birds to humans.

So whether we’re talking about seasonal flu, herpes outbreaks, or pandemic-level threats, this gum might just become a game-changer.

Close-up of lablab beans hanging on a vine, showcasing their rich purple color and green leaves.
Close-up of lablab beans, the key ingredient in the new antiviral chewing gum, showcasing their vibrant purple color and the plant’s foliage. Photo credit: Dinesh Valke via iNaturalist.

What Makes This Gum So Exciting (Beyond the Obvious)

Non-invasive: No shots, no pills, just chew.

Natural: Powered by plants, not synthetic chemicals.

Broad-spectrum: Targets multiple viruses, not just one.

Affordable: Beans are cheap. Treatments usually aren’t.

It’s not a replacement for vaccines or medication, but it could be a powerful tool in addition to them. Think of it like hand sanitizer for your mouth (easy, accessible, and preventative)

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FAQs –

Can chewing gum prevent the flu or herpes?

While antiviral gum doesn’t cure the flu or herpes, research shows it can reduce the amount of virus (viral load) in the mouth by more than 95%. This reduction may help prevent the spread of viruses like flu and herpes by lowering the chance of transmission during activities like coughing, sneezing, or kissing.

Is there chewing gum that kills viruses in your mouth?

Yes. Scientists have developed a bean-based antiviral gum that targets viruses in saliva, including flu viruses and herpes simplex viruses. It contains the natural antiviral protein FRIL, which has been shown to significantly reduce viral presence in laboratory studies.

What is FRIL and why is it important in antiviral gum?

FRIL (fucose-binding lectin) is a natural antiviral protein found in lablab beans. It works by latching onto viruses and preventing them from binding to human cells. When used in chewing gum, FRIL can help stop viruses at the point of entry—your mouth—before they spread.

Is antiviral chewing gum available to the public yet?

As of now, antiviral gum is still undergoing clinical trials and is not yet available for public purchase. However, its promising results in reducing viruses like HSV-1, HSV-2, H1N1, and H3N2 make it a potential future tool for virus prevention.

How effective is antiviral chewing gum compared to traditional medicine?

Antiviral gum is not a replacement for vaccines or antiviral medications, but it offers a promising complementary approach. It’s especially useful for lowering the amount of virus in the mouth, which can reduce transmission in public or social settings.


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