Intestinal permeability18 min read
How to increase secretory IgA naturally and make it last
How to increase secretory IgA naturally: what sIgA is, stool or saliva testing, what low and high results mean, the causes that drive it down, a…
Biochemical topic / All topics
Intestinal permeability
How the gut wall controls what passes from the intestine into the body, and what is known and unknown about so-called leaky gut.
5 articles, 1 carousel
IBS10 min read
Mast cells keep the gut barrier on edge in IBS
Mast cells sit next to the gut barrier and can make it leakier and more sensitive in IBS. See the evidence, the common triggers and what…
IBS18 min read
Why night shift work is linked to IBS and slow gut damage
Why night shift work is linked to IBS: the cohort data, new 2026 findings in night shift workers, the six gut mediators that lose their rhythm,…
Intestinal permeability19 min read
How gut health shapes acne through the gut-skin axis
Gut health and acne explained: what the gut-skin axis is, how gut bacteria, leaky gut, hormones and diet relate to breakouts, what probiotics can and cannot…
IBS16 min read
Why intestinal permeability rises during infection and sometimes stays high
Why intestinal permeability rises during a gut infection, how it helps clear the pathogen, why the barrier sometimes stays leaky in post-infectious IBS, and what research…
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Is carrageenan bad for you?
Carrageenan (E407) keeps ice cream creamy. See what studies show about gut inflammation, permeability, daily intake and the foods that contain it.