Although it has been used in the Far East for over 1,000 years, glucomannan only become popular in the West in the past 20 years. . Retrieved from konjac plant root, it is a very fibrous substance that can ease constipation and aid in weight loss, as it gives a feeling of satiety and fullness for those who take it. However, there are some significant concerns that should be considered by anyone taking glucomannan.
Esophageal and Abdominal Obstruction
There have been documented cases of people taking glucomannan tablets and suffer severe throat and gastrointestinal tract obstruction, as tablets may create a blockage that is not easily removed. For this reason, cookies are recommended over tablets, and those who have trouble swallowing generally should not take glucomannan.
Edition for Diabetics
Glucomannan is known to reduce the level of sugar in the blood, making it especially important for diabetics to consult their doctor beforehand and monitor their blood sugar levels carefully while using it.
Those taking glucomannan may experience flatulence, bloating, nausea, diarrhea and abdominal pain. These are usually not serious problems, but can be very uncomfortable.
Some people can have allergic reactions to glucomannan, including a rash, hives or generalized itching.
Interference with drugs
Glucomannan may reduce or delay the absorption of drugs in the blood, so it is best to take the medication one hour before or four hours after taking glucomannan.