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The konjac bulb should let the pounds drop
Eating the Asian konjac tuber is said to help you lose weight. The effect is created by the active ingredient glucomannan contained in the tuber. This is responsible for a quick feeling of satiety. However, the daily dose should not be exaggerated, otherwise diarrhea or constipation may occur.
In Germany, the konjac tuber is rather unknown - in Asia, such as Japan, it has been on the table for 3000 years. The root can reach up to 25 centimeters in diameter and is often processed into konjac flour, from which pasta can be made, for example. The konjac tuber should not be confused with the alcoholic drink cognac.
The carbohydrate-less alternative to potatoes?
In terms of appearance and consistency, the konjac tuber is best compared to the potato. However, it contains neither protein usable for humans nor carbohydrates. But it is very rich in water-soluble fiber, which can be used much better by the digestive tract.
How does Glucomannan work on the body?
The konjac bulb contains the active ingredient glucomannan. This creates a strong satiating effect in the body because it can swell up to 50 times its size upon contact with water. The stomach and intestinal tract react to the swollen fiber and give a saturated feeling.
Not a miracle cure, but a good help
Stiftung Warentest tested weight loss products with Glucomannan for their effectiveness. In fact, the satiating effect can help you lose weight.
This avoids cravings, especially at the beginning of a diet, and makes the changeover easier. However, you shouldn't expect miracles as the body gets used to the effect. Glucomannan is therefore more of a tool to switch to a low-calorie diet.
Naturally or as a capsule
Glucomannan is mostly sold in the form of powders and capsules in pharmacies and drugstores. If you prefer the more natural intake, you can ingest glucomannans in the form of glass noodles (for example Shirataki). It is important that the capsules and powders are not exceeded and that enough water is drunk, otherwise stomach problems, bloating or shortness of breath may occur due to the violent swelling effect.
Are Glucomannans Harmful?
The European Food Safety Authority conducted a study in 2017 to determine whether glucomannans are harmful to health. The panel concluded that the use of konjac is not harmful if the total intake from all sources remains below three grams of glucomannan per day. During the nutritional examination, some adults who took a dose of three grams of glucomannan a day for 12 weeks experienced mild symptoms such as diarrhea or constipation. Otherwise, no side effects were found. (vb)