Glucomannan
Glucomannan is a natural soluble dietary fiber extracted from the konjac plant root. It is primarily used as a dietary supplement to support weight management by promoting feelings of fullness and reducing appetite, and may also help support healthy cholesterol and blood sugar levels.
A natural dietary fiber supplement used for weight management and digestive health support.
Key facts at a glance
- RxNorm
- 11454
- Generic
- Glucomannan
- Class
- unclassified
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- oral
- Forms
- capsule
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Primarily used as a dietary supplement for weight management and appetite control. May also be used to support healthy cholesterol levels, blood sugar management, and relief from occasional constipation.
As a soluble fiber, glucomannan absorbs water in the digestive tract to form a gel-like substance that promotes satiety, slows digestion, and adds bulk to stool. This can help reduce calorie intake and support healthy bowel movements.
Should be taken with plenty of water (at least 8 oz) to avoid choking or intestinal blockage. Take before meals for appetite control. May interact with oral medications by affecting absorption; take medications 1 hour before or 2-4 hours after glucomannan. Not a substitute for a balanced diet and exercise.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy