Akkermansia muciniphila
A next-generation keystone bacteria linked to metabolic health, insulin sensitivity, and gut barrier integrity.
Clinical Evidence
Unlike standard Lactobacilli, Akkermansia muciniphila is an anaerobic bacteria that lives in the mucus layer of the gut. It literally eats mucin, which paradoxically stimulates the goblet cells to produce more, thickening and strengthening the gut lining.
Live vs Pasteurized
A fascinating finding from human trials (e.g., Depommier et al., 2019) is that pasteurized (dead) Akkermansia is actually more effective than the live version for metabolic parameters. Pasteurization alters the outer membrane protein (Amuc_1100), increasing its interaction with human toll-like receptors (TLR2).
| Form | Evidence for Metabolic Health (Insulin sensitivity, visceral fat) |
|---|---|
| Live | Moderate |
| Pasteurized | Stronger (in current human trials) |
FAQ
Yes. Polyphenol-rich foods (cranberry extract, pomegranate, green tea) and prebiotics like FOS have been shown to significantly increase endogenous Akkermansia levels.