Microbiome15 min read
How genes link vitamin D and the gut microbiome after menopause
Two vitamin D genes went with less diverse gut bacteria in women after menopause, while blood vitamin D stayed the same.
Gut Pathways
Articles
Articles on digestion, the microbiome and the molecules that connect them, written by a biochemist.
IBS19 min read
Fibermaxxing and daily fiber intake for a sensitive gut
Fibermaxxing and IBS: what the trend is, why fibers differ in thickness and fermentation, why more fiber can mean gas and pain, which fibers suit each…
Gut-brain axis11 min read
New biomarker links fibromyalgia and gut microbiome
What new studies show about fibromyalgia and the gut microbiome: neurofilament light chain as a blood marker of nerve strain, the routes from gut dysbiosis to…
IBS15 min read
Symptoms of fat malabsorption you shouldn’t ignore
The symptoms of fat malabsorption, from greasy, floating stool to fat-soluble vitamin signs, what causes it, how IBS and EPI differ, the fecal elastase test and…
Microbiome11 min read
How to bring low Faecalibacterium prausnitzii back up
A low Faecalibacterium prausnitzii result is common after antibiotics or a gut infection. See what this butyrate producer does and which fibers raise it back up.
Microbiome14 min read
Fusobacterium endometriosis: what the evidence shows now
What the Fusobacterium endometriosis research shows in 2026: the 2023 mechanism study, the 2025 replication that found no difference, possible routes from the mouth and vagina,…
Microbiome12 min read
Microbiome test, 6 criteria before you trust it
Are gut microbiome tests accurate? Six quality criteria to check in any microbiome test report, what each lab method measures, and why the reader's experience matters.
IBS16 min read
What the evidence shows about psyllium for IBS
Psyllium for IBS explained through the trials: how much it helps compared with placebo and bran, how its gel works in IBS-C and IBS-D, why it…
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…
IBS13 min read
Can you get rid of Proteus mirabilis naturally?
Proteus mirabilis keeps a reservoir in the gut, so urinary infections often return. See the evidence on natural agents, probiotics and the order used in practice.