Fiber
Glucomannan (Konjac)
Also known as: Glucomannan (Konjac Root), Konjac fiber, Konjac glucomannan, Konjac root
B
Evidence
Highly viscous fiber from konjac root. Strong satiety effects and blood sugar support.
Primary uses
- Weight management
- Satiety
- Blood sugar
- Cholesterol
How it works
- Absorbs 50x its weight in water
- Forms thick gel
- Slows gastric emptying
Dosage
- Typical range
- 1-3 g before meals
- Timing
- 30 min before meals
- With food
- Before meals with water
- Duration
- Safe long-term
- Special populations
- Weight management
Forms
- Capsules
- Powder
Safety
Common side effects
- Bloating
- Loose stools
Contraindications
- Swallowing difficulties
Evidence notes
Satiety and metabolic benefits
Grade B: Some human trials support key claims; further confirmation needed.
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