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Posted January 31, 2010

Glucomannan May Cause Choking if Not Taken with Fluid

On January 29, 2010, the Canadian health department, Health Canada, adised that natural health products containing the ingredient glucomannan in tablet, capsule or powder form have a potential for harm if taken without at least 8 ounces of water or other fluid. The risk 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.

Glucomannan is typically found in products for appetite reduction, weight management, treatment of constipation, management of cholesterol levels.

Canada requires the following label information:

Directions for Use: Take (or mix) this product with at least 8 ounces (a full glass) of water or other fluid. Taking this product with insufficient liquid may result in choking and/or blockage of the throat, esophagus or intestine. Do not take immediately before going to bed.

Cautions and Warnings: Consult a healthcare practitioner prior to use if you are pregnant or breastfeeding. Consult a healthcare practitioner prior to use if you have diabetes.

Contraindication: Do not use this product if you have difficulty swallowing.

Known Adverse Reaction: If you experience chest pain, vomiting, or difficulty in swallowing or breathing after taking this product, seek immediate medical attention.

Consumers should consult with their health care practitioner if they still have any questions or concerns.