In 2024, the U.S. reached a grim milestone: it was estimated that over 4 in 10 adults have obesity.

That’s more than 40 percent of Americans afflicted with a condition that carries numerous health risks, including heart disease, “diabesity,” cognitive decline, chronic inflammation and more.

Of course, diet and exercise are the twin pillars of any anti-obesity strategy…

But when it comes to diet, some foods are more effective than others at “melting the fat off” — including one that is a staple in Korean culture…

Kimchi could fight obesity

In response to the global epidemic of obesity, the World Institute of Kimchi in South Korea has been publishing a series of articles based on studies into the anti-obesity effects of the traditional fermented food, most often made with cabbage.

And its reputation for taking off weight is getting lots of momentum…

• Previous preclinical studies in animal models of obesity revealed a stunning 31.8 percent reduction in body fat among those fed a kimchi diet.
• An extensive analysis of data collected over 13 years from the Korea Genome and Epidemiology Study (KoGES) found kimchi intake was associated with a 15 percent reduction in body mass index (BMI) and a 12 percent decrease in obesity among middle-aged males.

In the most recent study to come out of the World Institute of Kimchi, researchers gathered data on 55 overweight adults including blood biomarkers, gut microbiome makeup and body composition.

They had one group of participants consume three freeze-dried kimchi capsules per meal equivalent to 60 g of kimchi per day for three months, while the control group did not take the kimchi capsules.

After analyzing the changes in body fat composition and other markers, the researchers found:

• The group that consumed kimchi showed a 2.6 percent decrease in body fat — and a reduction in triglycerides.
• The control group exhibited a 4.7 percent increase in body fat — and an increase in triglycerides.

But those weren’t the only compelling improvements…

The participants’ gut microbiome analyses showed increased Akkermansia muciniphila, a species of beneficial gut bacterium known to reduce inflammation and improve markers of metabolic syndrome and obesity through the production of short-chain fatty acids (SCFAs).

In addition, those taking kimchi showed a reduction in the number of Proteobacteria, which are associated with obesity.

In short, this clinical trial indicates that steady consumption of kimchi can alleviate obesity symptoms by positively modifying the gut microbiota.

“The results of a preclinical study and a clinical trial have systematically verified the anti-obesity effects of kimchi, and present scientific evidence that would help to make the excellent properties of kimchi widely known, thereby laying the foundation for the growth of kimchi as a health food well recognized around the world,” says Dr. Hae-Choon Chang, director of the World Institute of Kimchi. 

Adding this pickled wonder to your diet

You can make kimchi at home — just be advised that the process can be a little time-consuming. There are dozens of recipes online, but here’s one to get you started.

If you’re short on time or simply don’t have the space to make and store it, you can buy prepackaged kimchi at Asian grocery stores or even in some supermarkets. For maximum health benefits, look for it freshly prepared in the refrigerated section.

You may wonder exactly what it tastes like — it’s sort of a spicy pickled flavor. You can eat it plain or make it a tasty addition to sandwiches (try a kimchi grilled cheese), burgers or burritos. You can even mix it into a salad to give it a tangy, spicy kick.

But if a spicey pickled cabbage dish just isn’t your thing, you can still support your microbiome and help it produce SCFAs by adding prebiotic inulin fiber from other food sources. Previous research has shown it can help suppress appetite and decrease body weight.

Sources:

New clinical study confirms the anti-obesity effects of kimchi — EurekAlert!

Kimchi intake alleviates obesity-induced neuroinflammation by modulating the gut-brain axis — Food Research International

Fermented kimchi may help combat obesity by regulating gut microbiota — News Medical Life Sciences