Fiber
Glucomannan
Glucomannan is a soluble dietary fiber from the root of the konjac plant (Amorphophallus konjac).
Who needs extra care?
The Canadian monograph excludes people with swallowing difficulties and advises medical discussion before use during pregnancy or breastfeeding, or with diabetes. Chest pain, vomiting, or trouble swallowing or breathing after use require immediate medical attention. 1
Can fiber upset the gut?
Gas, bloating, diarrhea, constipation, and abdominal discomfort have been reported. NIH notes that long-term safety remains poorly understood. EFSA also recorded gastrointestinal symptoms in adults receiving 3 g daily for 12 weeks. 2 3
For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.