NutriStack
Mesalamine and Probiotics, a synergy.
Multi-strain probiotics have been studied as add-ons to 5-ASA therapy, including mesalamine, in ulcerative colitis. Trials of VSL#3-type preparations showed improved disease activity scores or remission outcomes in some patients, though probiotic strains and doses matter. This is most relevant for mild-to-moderate disease and remission support.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Mesalamine and Probiotics
- Pair type
- Synergy
- Evidence (highest tier)
- Moderate
- Source citations
- 3 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Synergy · Moderate evidence
Synergy
What is happening. Multi-strain probiotics have been studied as add-ons to 5-ASA therapy, including mesalamine, in ulcerative colitis. Trials of VSL#3-type preparations showed improved disease activity scores or remission outcomes in some patients, though probiotic strains and doses matter. This is most relevant for mild-to-moderate disease and remission support.
Mechanism. Mesalamine reduces mucosal inflammatory mediator production. Probiotics may improve epithelial-barrier function, reduce pathogen adherence, modulate T-cell and cytokine signaling, and shift gut microbiota away from pro-inflammatory patterns.
Recommendation. Use probiotics as an adjunct, not as a substitute for mesalamine. Choose a product with studied strains and an adequate dose, and reassess symptoms after 8 to 12 weeks. Avoid probiotic use without medical input if you are severely immunocompromised or have a central venous catheter.
Sources (3)
- Tursi A, Brandimarte G, Papa A, et al. Treatment of relapsing mild-to-moderate ulcerative colitis with the probiotic VSL#3 as adjunctive to a standard pharmaceutical treatment: a double-blind, randomized, placebo-controlled study. Am J Gastroenterol. 2010;105(10):2218-2227. PMID 20517305
- Miele E, Pascarella F, Giannetti E, et al. Effect of a probiotic preparation (VSL#3) on induction and maintenance of remission in children with ulcerative colitis. Am J Gastroenterol. 2009;104(2):437-443. PMID 19174792
- Sood A, Midha V, Makharia GK, et al. The probiotic preparation, VSL#3 induces remission in patients with mild-to-moderately active ulcerative colitis. Clin Gastroenterol Hepatol. 2009;7(11):1202-1209.e1. PMID 19631292
Stack Score
How this pair moves the number.
Effect on the composite score
If both Mesalamine and Probiotics are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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