A synbiotic is a combination of a probiotic (live beneficial microorganism) and a prebiotic (substrate that selectively feeds beneficial microbes), designed to work synergistically—the prebiotic supports the survival and colonization of the probiotic organism.

Synbiotics represent a more ecologically sophisticated intervention than either component alone (Karen's Brain Primitive 5: two-sided ecological engineering).

The ISAPP 2019 definition distinguishes. Complementary synbiotic: Probiotic + prebiotic chosen independently for their individual benefits. Synergistic synbiotic: Prebiotic specifically selected to enhance survival/function of the co-administered probiotic.

Evidence map6 cited passagesInspect provenance +
01
Clinical Evidence

ASD: Synbiotic improved GI symptoms, behavior, and anxiety; restored dialister abundance.

02
Clinical Evidence

Schizophrenia: Synbiotic improved metabolic syndrome parameters in schizophrenia RCT.

03
Clinical Evidence

Hypothyroidism: Synbiotic improved thyroid function alongside levothyroxine.

04
Clinical Evidence

Breast cancer: Synbiotic during chemotherapy supported immune function.

05
Clinical Evidence

Crohn's disease: Synbiotic (B. longum + inulin-FOS) improved clinical and histological outcomes in RCT.

06
Clinical Evidence

Pancreatic cancer: Perioperative synbiotic improved immunomodulation post-resection.

Contents1. Clinical Evidence2. Cross-References

Clinical Evidence#

ASD: Synbiotic improved GI symptoms, behavior, and anxiety; restored Dialister abundance.[1]Mitchell 2024 — Gastrointestinal, Behaviour and Anxiety Outcomes in Autistic Children Following Synbiotics vs Gut-Directed HypnotherapyLeanne K. Mitchell, Helen S. Heussler, Christopher J. Burgess et al. · 2024Open reference 1 Schizophrenia: Synbiotic improved metabolic syndrome parameters in schizophrenia RCT.[2]Effects of Synbiotic Supplementation on the Components of Metabolic Syndrome in Patients with Schizophrenia: A Randomized, Double-Blind, Placebo-Controlled TrialBasafa-Roodi P, Jazayeri S, Hadi F et al. · 2024Open reference 2 Hypothyroidism: Synbiotic improved thyroid function alongside levothyroxine.[3]The Effect of Synbiotic Supplementation on Hypothyroidism: A Randomized Double-Blind Placebo Controlled Clinical TrialRamezani M, Reisian M, Sajadi Hezaveh Z · 2023Open reference 3

Breast cancer: Synbiotic during chemotherapy supported immune function.[4]The effects of synbiotics supplementation on reducing chemotherapy-induced side effects in women with breast cancerKhazaei Y, Basi A, Fernandez ML et al. · 2023Open reference 4 Crohn's disease: Synbiotic (B. longum + inulin-FOS) improved clinical and histological outcomes in RCT.[5]Clinical Trial: The Microbiological and Immunological Effects of Synbiotic Consumption - A Randomised Double-Blind Placebo-Controlled Study in Active Crohn's DiseaseSteed H, Macfarlane GT, Blackett KL et al. · 2010Open reference 5 Pancreatic cancer: Perioperative synbiotic improved immunomodulation post-resection.[6]Synergistic immunomodulatory effect of synbiotics pre- and postoperative resection of pancreatic ductal adenocarcinoma: a randomized controlled studySara Maher, Hesham A. Elmeligy, Tarek Aboushousha et al. · 2024Open reference 6

Cross-References#

Generated evidence record

References 6

Numbered by first appearance in the article, then reconciled with its declared source list.

  1. 1

    Leanne K. Mitchell, Helen S. Heussler, Christopher J. Burgess et al. (2024). Mitchell 2024 — Gastrointestinal, Behaviour and Anxiety Outcomes in Autistic Children Following Synbiotics vs Gut-Directed Hypnotherapy. Journal of Autism and Developmental Disorders.

  2. 2

    Basafa-Roodi P, Jazayeri S, Hadi F et al. (2024). Effects of Synbiotic Supplementation on the Components of Metabolic Syndrome in Patients with Schizophrenia: A Randomized, Double-Blind, Placebo-Controlled Trial. BMC Psychiatry.

  3. 3

    Ramezani M, Reisian M, Sajadi Hezaveh Z (2023). The Effect of Synbiotic Supplementation on Hypothyroidism: A Randomized Double-Blind Placebo Controlled Clinical Trial. PLoS ONE.

  4. 4

    Khazaei Y, Basi A, Fernandez ML et al. (2023). The effects of synbiotics supplementation on reducing chemotherapy-induced side effects in women with breast cancer. BMC Complementary Medicine and Therapies.

  5. 5

    Steed H, Macfarlane GT, Blackett KL et al. (2010). Clinical Trial: The Microbiological and Immunological Effects of Synbiotic Consumption - A Randomised Double-Blind Placebo-Controlled Study in Active Crohn's Disease. Alimentary Pharmacology & Therapeutics.

  6. 6

    Sara Maher, Hesham A. Elmeligy, Tarek Aboushousha et al. (2024). Synergistic immunomodulatory effect of synbiotics pre- and postoperative resection of pancreatic ductal adenocarcinoma: a randomized controlled study. Cancer Immunology, Immunotherapy.

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