|Online since 2002|
GlucomannanNatural health supplements sometimes have unexpected side effects or interactions with medication that can lead to adverse reactions that are sometimes life threatening. The following is a list of cautions that you should be aware of before using glucomannan. These are referred to as drug/herb interactions.
Warning 1 - Contraindications: Glucomannan is contraindicated in those who have difficulty in swallowing, intestinal obstruction, and esophageal narrowing. If not taken with adequate amounts of fluid, glucomannan may swell and block the throat, esophagus or intestines. Glucomannan is also contraindicated in those who are hypersensitive to any component of a glucomannan-containing product.
Warning 2 - Pregnancy and breast-feeding: Not enough is known about the affects of glucomannan use during pregnancy and breast-feeding. Stay on the safe side and avoid use.
Warning 3 - All medications: Using glucomannan may decrease the absorption of all medications if taken concurrently. Experts recommend separating dosages by at least 2 hours.
Warning 4 - Antidiabetics: Glucomannan may increase the hypoglycemic effects of oral antidiabetics. Type 2 diabetics who use glucomannan may require adjustment of their antidiabetic medications. Some medications used for diabetes include chlorpropamide (Diabinese), glimepiride (Amaryl), glipizide (Glucotrol), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, pioglitazone (Actos), rosiglitazone (Avandia), tolbutamide (Orinase), and others.
Warning 5 - Antilipidemics: Glucomannan may increase the action of antilipidemics.
Warning 6 - Insulin: Using glucomannan may increase the hypoglycemic effects of insulin.
Warning 7 - Surgery: Glucomannan might interfere with the control of blood sugar during and after surgery. Stop using glucomannan at least 2 weeks before a scheduled surgery.
Warning 8 - Potential health risk warning: A health advisory was released by Health Canada stating the following: "natural health products containing the ingredient glucomannan in tablet, capsule or powder form, which are currently on the Canadian market, have a potential for harm if taken without at least 8 ounces of water or other fluid. The risk to Canadians includes choking and/or blockage of the throat, esophagus or intestine, according to international adverse reaction case reports. It is also important to note that these products should NOT be taken immediately before going to bed."
Warning 9 - Reduced nutrient warning: This product reduces the absorption of certain vitamins and minerals so it is important to take a multivitamin when using glucomannan.
Used as a natural health remedy: Glucomannan is used internally for the following benefits and conditions:
Side Effects of GlucomannanWhile most studies show glucomannan to be well tolerated, there are some possible side effects.
As with any herb, a serious allergic reaction is possible. Seek immediate medical attention if you notice any symptoms of a serious allergic reaction. These may include a rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.
Glucomannan is made from the root of the konjac plant (Amorphophallus konjac).Return to the Herb List.
For questions and answers about the side effects of herbs see the Herb Forum
If you find this page useful share it with others. Use the form below to add a side effect not listed or comments about Glucomannan. Please note that all addresses are held confidential.
Thanks for stopping by.
This consumer advocate website is protected by copyright © 2011 Askdocweb, Inc. All Rights Reserved. This is a layman's report on Glucomannan and is not intended to replace discussions with a health care provider. Do not use the information on this forum as a substitute for your doctor's advice. Always consult your doctor before taking any drug and follow your doctor's directions. Source material: Food and Drug Administration, Medline, Physician's Desk Reference, and the largest community of people in the world, those who are concerned about side effects and healthcare.