Gut health, minus the guesswork
Most gut and digestive health content online is a press release with a byline, or the same few sources rewritten. Zunavira works more narrowly: one question at a time, read against the research, with the uncertainty left in.
Latest articles
- Digestive Ingredient Labels: What to Review Before Trying One
A digestive supplement can contain fibre, probiotics, enzymes, botanicals or stimulants in combinations that are not obvious from the front label. The full panel is essential for a safer review. - The Microbiome: What a Consumer Guide Can Reliably Say
The microbiome is a real area of research, but broad claims often move faster than what can be applied to an individual. A consumer guide should separate general concepts from product promises. - Digestive Symptoms and Supplements: When a Symptom Needs Care
Bloating, reflux, bowel changes and abdominal discomfort can have many causes. A supplement label cannot determine the cause or tell you when a symptom should be evaluated. - Fibre Supplements: Soluble, Insoluble and What the Label Tells You
Fibre supplements differ in the type of fibre, amount per serving and directions for fluids and dose changes. The label can clarify the product, but it cannot diagnose a digestive problem. - Probiotic CFU Counts: Why the Number on the Label Misleads
Probiotic marketing competes on CFU count, but the evidence is strain-specific and the count is one of the least informative numbers on the box.
What we cover
Probiotics
Strains, CFU counts and what the evidence supports.
Fibre & Prebiotics
The intervention with the best evidence and least marketing.
Digestive Symptoms
Bloating, reflux and irregularity, examined properly.
The Microbiome
What is actually known versus what is extrapolated.
Ingredient Reviews
Dose, strain specificity and evidence grade.
How we decide what to publish
- We start from primary research — trials, systematic reviews and meta-analyses — not from other people’s articles.
- We read the methods. Sample size, duration and funding all change how much a finding is worth.
- For any ingredient we check the dose actually studied against the dose typically supplied.
- Where evidence is thin, animal-only or industry-funded, we say so.
This site is information, not medical advice. Nothing here can account for your history, medication or symptoms. Talk to a qualified clinician before changing anything. Read the full disclaimer.