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Is white kidney bean extract good for weight loss?

Dec 18, 2020

In some clinical trials, white kidney bean extract has been used mainly in people who have lost weight and weight. White kidney bean extract contains phaseolamin, a substance that limits the body's production of alpha-amylase, which helps break down carbohydrates. When the action of alpha-amylase is inhibited, the starch cannot be digested. This causes the body to absorb fewer calories from carbohydrates. The body cannot break down and assimilate starches; they are excreted directly into the colon. In other words, the body creates less new fat and produces fewer calories.


When carbohydrate calories are reduced, this is similar to the effect of dietary calorie restriction. White kidney bean extract can be used to lose or maintain weight, especially if combined with dietary control and exercise. Dose: 500-1500 mg per day.


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The clinical efficacy of white kidney bean extract mainly includes the following aspects:

  •   Lose weight;

  •   Lower body fat;

  •   Reducing blood triglyceride levels;

  •   Improve blood sugar utilization and regulation;

  •   Reduce body fat in a high-calorie diet;

  •   Reduce the risk of colon cancer;

  •   May reverse the symptoms of diabetes (hypoglycemia) and diabetes;

  •   May lower the glycemic index of starchy foods like white rice;

  •   May prevent sharp spikes in blood sugar levels and their downstream complications.

  •   Mechanism of action of white kidney bean extract


All beans contain phaseolamin, but white kidney beans contain far more than any other source. Phaseolamin is classified as an alpha-amylase inhibitor. Starch digestion is inhibited in the following ways:


Carbohydrates enter the mouth;

The salivary glands release amylase and begin to digest;

After swallowing, the acidic environment of the stomach reduces the activity of amylase;

The acidity of the small intestine is neutralized;

The pancreas releases more amylase into the small intestine;

Amylase breaks down carbohydrates into oligosaccharides;

 Glucosidase then acts on oligosaccharides which are further decomposed into monosaccharides.

 Only simple sugar molecules are absorbed by the body for energy;


If the liver does not need monosaccharides for energy, they can be stored as triglycerides or glycogen.


White kidney bean extract partially prevents carbohydrate breakdown of oligosaccharides by inhibiting amylase released from the pancreas into the small intestine. This disrupts the process of carbohydrate digestion, leaving undigested carbohydrates in the colon for excretion or fermentation.



White kidney bean extract prevents Obesity

 According to the World Health Organization, more than 6 million people were obese in 2014.

Low-sugar and high-fat foods rich in nutrients are common in modern diets. .Carbohydrates are known as the primary calorie intake.

White kidney bean extract helps reduce risk factors for obesity by limiting starch carbohydrate metabolism and by better balancing energy expenditure.


Adverse reactions of white kidney bean extract

Tested on mice, the safe intake of phaseolamin is 5 g/kg body weight. This is significantly higher than the recommended dose. So it's safe.


White kidney bean supplements are not recommended for pregnant women, nursing mothers, postoperatively, diabetics, and patients with liver or kidney disease.