Amorphophallus konjac

Glucomannan/Nutrient Depletion:

  • NoteNote: Increased consumption of any dietary fiber is thought to have the potential to reduce the absorption of oral agents, including various nutrients.
  • Fat-soluble vitaminsFat-soluble vitamins: In human research, glucomannan resulted in decreased absorption of vitamin E (25). However, the combination of glucomannan and chitosan had no effect on various fat-soluble vitamins (vitamin A, vitamin E, 25-hydroxyvitamin D) or carotenes in a study investigating this combination in men and women (13).
  • GlucoseGlucose: In human research, glucomannan significantly lowered fasting blood glucose (11; 14).
  • LipidsLipids: In human research, glucomannan significantly lowered blood levels of total and LDL cholesterol (11; 12; 14; 16; 15).