Konjac glucomannan may improve symptoms of fatty liver, new study suggests (2024)

When rats were fed a high-fat diet, they developed symptoms of non-alcoholic fatty liver disease (NAFLD).

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But fat accumulation was reduced among rats with these symptoms who were fed konjac glucomannans compared to rats in a control group not receiving the ingredient, reported a group of researchers from Central Queensland University and Charles Sturt University in Australia and Tianjin University of Science and Technology in China.

Hence, supplementation with konjac glucomannans “may indirectly improve liver function, as overloaded lipid droplets may promote hepatic mitochondrial dysfunction and oxidative stress related injury,” ​the researchers wrote in their study, published​ in the January 2019 edition of the Journal of Functional Foods.

“The occurrence of [non alcoholic fatty liver syndrome] is regarded as the most common chronic liver dysbiosis with the prevalence of 30% in developed countries and nearly 10% in developing countries,” ​they reported.

According to a Harvard Health blog post, NAFLD is an umbrella term that can be divided into two groups—simple fatty liver and non-alcoholic steatohepatitis (NASH).

At the beginning of this year, non-alcoholic fatty liver disease returned to national attention when news outlets like CNBC​ and the Wall Street Journal​ reported on the latest pharmaceutical race to fight NASH which affects 12% or 30 million of US adults, according to the National Institutes of Health.

What is a konjac?

Konjac is a common food ingredient in Japan and China, used as an emulsifier four soups or gelling ingredient in fruit jellies. In the US, the konjac glucomannan-derived shirataki noodles (also called ‘Wonder Noodles’) is becoming more popular thanks to the popularity of grain-free and low-carb diets.

Glucomannans from konjac have been studied for its anti-obesity potential. Previous studies have linked it to improvements in hyperlipidemia and hyperglycemia. However, the ingredient’s effect on liver function, and in particular on reducing the pathology associated with high fat diet-induced liver symptoms has not been thoroughly researched, the authors argued.

Konjac glucomannan may improve symptoms of fatty liver, new study suggests (1)

In this present study, the researchers used konjac glucomannans purchased from Chinese manufacturer Qinjian Konjac Product Co. Ltd.

Study details

The researchers divided 24 Sprague-Dawley rats into four groups. Three of the groups received a high-fat diet for the first eight weeks of the trial period to establish high fat diet-induced liver dysbiosis.

For the next six weeks, two of the high-fat diet groups were also fed konjac glucomannan, either 3% or 7% of total food weight, referred to as low-dose group and high-dose group respectively. Meanwhile, the third group continued receiving a high-fat diet without any konjac glucomannan to act as a control.

At the end of the test period, the researchers collected blood samples and sacrificed the animals to remove and analyze the liver tissues.

They found that the konjac related improvements were dose dependent, meaning that the higher dose of konjac glucomannan group exhibited even less fat accumulation in the liver.

Source: Journal of Functional Foods
Published online ahead of print, https://doi.org/10.1016/j.jff.2018.11.006
“Konjac glucomannans attenuate diet-induced fat accumulation on livers and its regulation pathway”
Authors: Wenting Shang

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Konjac glucomannan may improve symptoms of fatty liver, new study suggests (2)
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Konjac glucomannan may improve symptoms of fatty liver, new study suggests (2024)

FAQs

Konjac glucomannan may improve symptoms of fatty liver, new study suggests? ›

Konjac glucomannan may improve symptoms of fatty liver, new study suggests. A recently published study on rats sheds light on the potential liver health benefits of glucomannans from konjac, a plant native to Asia. When rats were fed a high-fat diet, they developed symptoms of non-alcoholic fatty liver disease (NAFLD).

Is konjac good for the liver? ›

The total cholesterol levels in the liver were significantly lower in rats fed 10% refined konjac meal than in those fed 1% cholesterol at four weeks. At 12 weeks, however, all treated groups showed reduced total cholesterol in the liver in comparison with the high-cholesterol control group.

What is the best supplement to reduce fatty liver? ›

Try an omega-3 supplement

They're known to have benefits for heart health and are often recommended for people with NAFLD. Research suggests that taking an omega-3 supplement may reduce liver fat and improve cholesterol levels.

What is the new treatment for fatty liver disease? ›

The newly approved medication, Rezdiffra, targets a protein directly in the liver and reduces liver fat, inflammation, and scarring. Clinical trials found it can halt the progression of fibrosis or even reverse it. It's intended to be used along with a healthy diet and exercise.

How do you reverse early fatty liver symptoms? ›

Change How You Eat
  1. Eat more fruits and vegetables.
  2. Eat more fish.
  3. Eat more high-fiber foods.
  4. Don't eat too many carbohydrates.
  5. Limit sugar.
  6. Limit saturated and trans fats.
  7. Limit salt.

Is it OK to eat konjac everyday? ›

While the konjac noodles seem like a miracle discovery with few calories and carbohydrates, I would caution you to consume them in moderation like you would any other food. You need a balance of macronutrients to feel your best and you don't want to get too much of any individual food (even healthy ones).

What supplement cleans out your liver? ›

While some common ingredients in liver cleanses have been shown to have positive results — milk thistle has been shown to decrease liver inflammation, and turmeric extract has been shown to protect against liver injury — there have not been adequate clinical trial data in humans to recommend the routine use of these ...

What heals fatty liver fast? ›

The most effective fatty liver treatment involves a change in lifestyle. Weight loss is helpful. “But the weight loss has to be pretty significant,” says Loomba. You have to lose about 7% of your body weight to resolve NASH.

How can I shrink my fatty liver fast? ›

Lose Weight

Even dropping just 5% of your body weight could lower the fat in your liver. Lose between 7% and 10% of your body weight and you'll lower inflammation and the odds of injury to your liver cells. You might even reverse some of the damage. Go slow -- 1 to 2 pounds per week is fine.

What supplement can reverse liver damage? ›

Milk thistle, specifically its active compound called silymarin, is one of the most well-known supplements for liver health,” says Schleiger. She notes that it has antioxidant and anti-inflammatory properties, which may support the function of the liver.

What is the number 1 medicine for fatty liver? ›

Resmetirom (Rezdiffra) can help reduce the amount of fat that collects in the liver. This medicine is not recommended for people with cirrhosis. For those who have cirrhosis due to NASH, a liver transplant may be needed.

Has anyone reversed fatty liver? ›

In some cases, the liver damage stops or even reverses itself. But in others, the disease continues to progress. If you have NASH, it's important to control any conditions that may contribute to fatty liver disease.

What is the new pill for fatty liver? ›

Rezdiffra is approved for adults with NASH who have moderate to advanced scarring of the liver, which is the case for an estimated 6 to 8 million Americans. Chronic overnutrition is a major contributor to the development of NASH, says Wajahat Mehal, MD, director of the Yale Metabolic Health & Weight Loss Program.

Are eggs bad for fatty liver? ›

The relatively high cholesterol in egg yolks can cause more fat to accumulate in the liver. Eating a lot of eggs increases the amount of protein and lipid, creating a burden on the liver, the liver has to work more actively. Leads to cirrhosis of the liver getting worse.

What are the three worst things for your liver? ›

Foods that are high in sugar, fat, and salt put extra stress on the liver. Fast food, packaged foods, and processed foods tend to contain a lot of these elements.

Who should not eat konjac noodles? ›

Several countries have banned the use of konjac because of the high incidence of bowel or throat obstruction. Children and pregnant or breastfeeding people should not take konjac supplements. Stop taking konjac and get medical help if you have symptoms of an allergic reaction, such as: difficulty breathing.

What is the healthiest thing for the liver? ›

Top foods and drinks for liver health
  1. Coffee. A 2021 study analyzed data from 494,585 people in the United Kingdom to learn how different types of coffee might affect the risk of chronic liver disease, including decaffeinated, instant, and ground coffee. ...
  2. Oatmeal. ...
  3. Green tea. ...
  4. Garlic. ...
  5. Berries. ...
  6. Grapes. ...
  7. Grapefruit. ...
  8. Prickly pear.

What are the side effects of konjac plant? ›

Common ones include bloating, diarrhea, gas, upset stomach, and burping (Wharton, 2019). It's rare, but there have been occasional reports of more severe reactions. For example, supplements can expand inside your digestive tract and cause a blockage.

What does konjac do to the body? ›

One lab study found that konjac glucomannan supplements reduced total cholesterol and low-density lipoproteins (LDL or “bad cholesterol”). “The fibrous glucomannan gel coats the lining of your intestines, so food particles move through without a lot of absorption into the bloodstream,” says Culbertson.

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