Evidence brief · Supplement
Glucomannan for Weight (appetite)
Evidence grade B — Pre-meal, with water
- Overall grade
- Grade B
- Last revised
- 1
- graded outcome
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
1 at grade B — 1 graded row
What is known
Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.
- Weight (appetite)Evidence grade B
Pre-meal, with water
Smallmixed
What is uncertain
Read off the same rows as above. Nothing here is added that the entry does not itself record.
- Studies disagree: Weight (appetite) (mixed agreement).
The evidence in words
The verdict
For weight (appetite), Glucomannan earns evidence grade B (small effect, mixed consistency) — there is real evidence here. Pre-meal, with water
How it might work
It absorbs water into a thick gel that slows gastric emptying and promotes fullness, and binds bile acids to lower LDL.
How to use it
Safety & cautions
Must be taken with ample water (choking/obstruction risk otherwise); can bind medications — separate them.
Bottom line
One of the few weight supplements that isn't nonsense: a viscous fiber that curbs appetite and lowers LDL. Take before meals with plenty of water, apart from your pills.
Goes with
- GlucomannanRead the full Glucomannan monographEvidence grade B
Related reading
Entries that share this one's tags or conditions.
- Glucomannan for LDL cholesterolEvidence grade B — Bile-acid bindingEvidence grade B
- Glucomannan: side effects, safety & interactionsMust be taken with ample water (choking/obstruction risk otherwise); can bind medications — separate them.Evidence grade B
- Beta-GlucansTwo different molecules under one name: oat beta-glucan reliably lowers LDL; yeast/mushroom beta-glucan modulates immunity.Evidence grade B
- Beta-Glucans for DyslipidemiaEvidence grade A — Oat beta-glucanEvidence grade A
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.