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Glucomannan
Level 3 — ContestedIn Winter's Dictionary
Glucomannan is a thickener gum — Powder extracted from konjac plant; absorbs liquid in stomach
What it does
Powder extracted from konjac plant; absorbs liquid in stomach
Where you'll see it
Weight-loss supplements
What the research says
FDA refused GRAS without scientific data.
Regulatory status
- Notes: FDA refused GRAS without scientific data
Sources
- A Consumer's Dictionary of Food Additives (Winter): the FDA was asked to approve it as GRAS but refused to do so unless scientific data were submitted