Best Supplements for Digestion
3 evidence-based options for digestion, summarized from the research: what they do, how to dose them, and how they work together.
Inulin
A prebiotic fiber that feeds beneficial gut bacteria.
Probiotics
Beneficial bacteria for gut and immune balance.
Psyllium Husk
A soluble fiber for regularity, cholesterol, and blood sugar.
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.
Probiotics + Psyllium Husk
Psyllium's fermentable fiber helps feed and support a healthy microbiome alongside probiotics.
L-Glutamine + Probiotics
Glutamine restores the gut lining while probiotics help balance the microbiome, a complementary gut-health stack.
L-Glutamine + Inulin
Glutamine helps restore the gut lining while inulin feeds beneficial bacteria, a complementary gut-health stack.
Omega-3 (Fish Oil) + Probiotics
Both support a healthy gut-inflammation balance.
Frequently asked questions
What are the best supplements for digestion?
The most-researched options are Inulin, Probiotics, and Psyllium Husk. Each is summarised with its benefits, typical dosing, and the strength of the evidence behind it.
How were these digestion supplements chosen?
These are the supplements in the Vital Matrix library most commonly used for digestion, graded by the strength of human evidence. See our methodology for how we grade the research.
Can you combine supplements for digestion?
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.