Konjac also expands in the stomach to help keep you full. According to a study , adding a glucomannan fiber supplement to a balanced, 1,calorie diet caused more weight loss than a 1,calorie diet plus a placebo. A systematic review found that konjac may help lower total cholesterol, LDL bad cholesterol , and triglycerides.
Konjac also reduced body weight and fasting blood sugar. Researchers concluded that glucomannan could be an adjuvant therapy for people with diabetes and high cholesterol. A later study found that konjac lowered LDL and recommended its use to reduce the risk of cardiovascular disease. According to a study , konjac can reduce acne and improve the health of skin. Konjac supplements are available online or in most natural health stores.
Only buy them from reputable manufacturers. Take konjac with plenty of water, preferably before a meal. They typically range from 2 to 6 grams. According to the FDA , some konjac candies have caused choking deaths in the elderly and in children. This prompted the FDA to issue an import alert in for konjac candies. Konjac supplements may also expand in your esophagus or bowel and cause an obstruction. The risk is higher if you:. Several countries have banned the use of konjac because of the high incidence of bowel or throat obstruction.
Children and pregnant or breastfeeding women should not take konjac supplements. What is the Konjac plant? Astonishing Benefits of the Konjac Plant Improves digestion Konjac is water soluble and therefore aids digestion. It is able to help strengthen your digestive system, making it a great natural remedy for those who have digestion problems.
It can also aid with constipation and hemorrhoids. Helps control diabetes Because konjac contains glucomannan, this is a great agent to help control sugar levels in the body, therefore helping with the control and symptoms of diabetes.
Absorbs minerals Konjac can help the body to absorb minerals, making your daily healthy food much more useful. By helping with the absorption of minerals, any foods and drinks you ingest will be able to be used more effectively. Oral health benefits Because the konjac plant contains anti-bacterial properties, it can help with minor oral health problems such as a toothache. The konjac plant can help to clean teeth and fight bacteria.
Your body may be able to help fight common diseases such as cold and flu more effectively. However, research on using fiber in the treatment of childhood obesity has focused on using fiber supplements rather than comparing low- and high-fiber diets.
Supplementation for four months with 2 to 3 grams per day of a bulking agent called glucomannan , was effective in a group of obese adolescents in one controlled trial, but another controlled trial found no significant effect of 2 grams per day for two months.
A preliminary clinical trial found that approximately one-third to one half of people with diverticular disease had reduced symptoms of diverticular disease after taking glucommanan.
The amount of glucomannan shown to be effective as a laxative is 3—4 grams per day. In a preliminary trial, addition of either 2. A trial of glucomannan in children with hypoglycemia due to a condition known as "dumping syndrome" produced inconsistent results. It is recommended to drink at least 8 ounces of water each time any bulk-forming laxative, including glucomannan, is taken. Glucomannan is a purified fiber from konjac root that is available as a bulk powder to be taken in hard-gelatin capsules or used as an ingredient in food.
People with any disorder of the esophagus the tube leading from the mouth to the stomach should not take any fiber supplement in a pill form, as the supplement may expand in the esophagus and lead to obstruction.
Since intestinal bacteria ferment water-soluble fibers, a great deal of intestinal gas may be produced in individuals not accustomed to a high fiber diet, leading to flatulence and abdominal discomfort.
Use of glucomannan dietary fiber in changes in intestinal habit. G E N ; [in Spanish]. Action of glucomannans on complaints in patients affected with chronic constipation: a multicentric clinical evaluation. Ital J Gastroenterol ; Arvill A, Bodin L. Effect of short-term ingestion of konjac glucomannan on serum cholesterol in healthy men. Am J Clin Nutr ; Konjac-mannan glucomannan improves glycemia and other associated risk factors for coronary heart disease in type 2 diabetes.
A randomized controlled metabolic trial. Diabetes Care ; Beneficial effects of viscous dietary fiber from Konjac-mannan in subjects with the insulin resistance syndrome: results of a controlled metabolic trial. Effect of glucomannan on obese patients: a clinical study. Int J Obes ; Chronic use of glucomannan in the dietary treatment of severe obesity. Minerva Med ; [in Italian]. Glucomannan and risk of oesophageal obstruction.
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Measure content performance. Develop and improve products. List of Partners vendors. Glucomannan is a substance extracted from the root of the konjac plant Amorphophallus konjac native to Asia. Glucomannan is rich in soluble fiber , the type of fiber that attracts water and helps soften stools. Long used in traditional Chinese medicine, glucomannan is now sold as a dietary supplement and weight loss aid.
The herbal remedy is made from the yam-like tubers of the konjac plant. The tubers, commonly referred to as elephant yams, are used in Japanese kitchens to make yam cakes konnyaku and noodles shirataki. Konjac is also known as own as devil's tongue, voodoo lily, and snake palm.
In traditional Chinese medicine, konjac flour is used to make a herbal medication known as hongqu. As a soluble fiber, glucomannan works by building bulk in the intestines. This not only helps relieves constipation, but it can also slow the absorption of sugar and cholesterol from the gut. In alternative medicine, glucomannan has a long history of use as a "detox aid.
Glucomannan is also believed to promote weight loss, slow the aging process, and even fight certain forms of cancer. Some of these claims are better supported by research than others. Here is a look at some of the key findings:. Glucomannan may help keep cholesterol levels in check, suggests a review of studies published in the American Journal of Clinical Nutrition.
Based on a review of 14 clinical trials, glucomannan appeared to lower total cholesterol and "bad" low-density lipoprotein LDL cholesterol.
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