Medicinal plants

Glucomannan

The properties of glucomannan

Glucomannan is a dietary fiber composed of a high molecular weight polysaccharide and comes in the form of a grainy powder derived from the drying of the konjak tuber. This polysaccharide consists mainly of glucose and mannose. Used in ancient times in China as a medicine able to treat cough, asthma, hernia and skin inflammations, it is now often used in the treatment of obesity and overweight. In fact, together with a low-calorie diet, glucomannan promotes weight loss through two main channels: on the one hand, it helps to reduce the sense of hunger by allowing you to keep the daily caloric intake under control, on the other it produces a mild laxative effect. .

How glucomannan works


Glucomannan is a dietary fiber characterized by high viscosity and a very high molecular weight. This peculiarity means that glucomannan is able to attract a considerable amount of water to itself, increasing its volume up to 60-100 times, creating an extremely soft gelatinous mass. This capacity becomes even greater in an acidic environment and in this way, it is able to relieve the appetite by occupying a considerable space in the intestine and favoring the elimination of excess organic matter. Furthermore, glucomannan counteracts the absorption of sugars and fats that are trapped inside the gelatinous mass. For this reason, its use is also particularly useful in the case of diabetes and to reduce the level of cholesterol in the blood.

How to take glucomannan


As shown by recent studies, the adoption of a healthy and low-calorie diet together with the intake of dietary fiber can counteract the absorption of fats and sugars, fight the risk of cardiovascular diseases and diabetes and in the treatment of overweight and ‘obesity. The recommended dosage ranges from 1 to 4 grams of micronized powder to be taken from half an hour to an hour before meals with plenty of water. This will favor the formation of the gelatinous mass. If, on the other hand, glucomannan is not accompanied by the intake of a sufficient quantity of water, it could even accentuate problems of constipation. Currently commercially available glucomannan supplements are available in powder or tablet form that contain the dry extract.

Glucomannan: Possible side effects of glucomannan


The intake of glucomannan may be associated with some undesirable effects such as diarrhea, meteorism or reduced ability to absorb low-soluble vitamins such as vitamins A, D, E and K. It is strongly not recommended to use glucomannan in patients suffering from peptic ulcer or hiatus hernia due to the ability of this fiber to cause an accentuation of the symptoms typically linked to such pathologies. It is also not recommended to use glucomannan by pregnant or breastfeeding women. Furthermore, due to the reduction in the level of glucose in the blood that glucomannan can cause, it is advisable to use particular caution in patients with a high rate of hypoglycemia. In very rare cases,

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