Best Supplements for Gut health
5 evidence-based options for gut health, summarized from the research: what they do, how to dose them, and how they work together.
Berberine
A plant alkaloid with drug-like effects on blood sugar.
Inulin
A prebiotic fiber that feeds beneficial gut bacteria.
L-Glutamine
The gut-lining repair amino acid and immune fuel.
Probiotics
Beneficial bacteria for gut and immune balance.
Psyllium Husk
A soluble fiber for regularity, cholesterol, and blood sugar.
Where to buy for gut health
Our top options for this goal. Choose third-party-tested brands in the forms each supplement's page recommends.
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Combinations to know
How these supplements pair with each other and beyond.
Inulin + Probiotics
Inulin is a prebiotic that feeds the beneficial bacteria in probiotic supplements, a classic synbiotic pairing.
Inulin + Psyllium Husk
Psyllium provides bulking, gel-forming soluble fiber while inulin feeds gut bacteria, so the two cover complementary fiber roles.
L-Glutamine + Probiotics
Glutamine restores the gut lining while probiotics help balance the microbiome, a complementary gut-health stack.
Probiotics + Psyllium Husk
Psyllium's fermentable fiber helps feed and support a healthy microbiome alongside probiotics.
Berberine + Probiotics
Berberine's metabolic effects appear to be mediated partly through changes in the gut microbiome, which is also the target of probiotic supplementation.
L-Glutamine + Inulin
Glutamine helps restore the gut lining while inulin feeds beneficial bacteria, a complementary gut-health stack.
Frequently asked questions
What are the best supplements for gut health?
The most-researched options are Berberine, Inulin, L-Glutamine, Probiotics, and Psyllium Husk. Each is summarised with its benefits, typical dosing, and the strength of the evidence behind it.
How were these gut health supplements chosen?
These are the supplements in the Vital Matrix library most commonly used for gut health, graded by the strength of human evidence. See our methodology for how we grade the research.
Can you combine supplements for gut health?
Yes, several pair well. For example, Inulin and Probiotics: Inulin is a prebiotic that feeds the beneficial bacteria in probiotic supplements, a classic synbiotic pairing.