Vitas Analytical Services (PDF)

Certificate Medical Device Conformity (PDF)

Vitas - Declaration of sample destruction (PDF)

Vitas – Declaration of Independence (PDF)

Product sheet for Gut Health Test (PDF)

Kearns, R., The Kynurenine Pathway in Gut Permeability and Inflammation. Inflammation, 2024. (PDF)

Ren, T., et al., Indole Propionic Acid Regulates Gut Immunity: Mechanisms of Metabolite-Driven Immunomodulation and Barrier Integrity. Journal of Microbiology and Biotechnology, 2025. 35(8): p. 1-13 (PDF)

Wang, W., et al., Gut microbiota determines the fate of dietary fiber-targeted interventions in host health. Gut Microbes, 2024. 16(1): p. 2416915 (PDF)

Schütz, B., et al., Modulation of Host Immunity by Microbiome‐Derived Indole‐3‐Propionic Acid and Other Bacterial Metabolites. European Journal of Immunology, 2025. 55(4): p. e202451594 (PDF)

Jiang, H., C. Chen, and J. Gao, Extensive Summary of the Important Roles of Indole Propionic Acid, a Gut Microbial Metabolite in Host Health and Disease. Nutrients, 2023. 15(1): p. 151 (PDF)

Sinha, A.K., et al., Dietary fibre directs microbial tryptophan metabolism via metabolic interactions in the gut microbiota. Nature Microbiology, 2024. 9(8): p. 1964-1978 (PDF)

Riazati, N., et al., Associations of microbial and indoleamine-2, 3-dioxygenase-derived tryptophan metabolites with immune activation in healthy adults. Frontiers in Immunology, 2022. 13: p. 917966 (PDF)

Tanes, C., et al., Role of dietary fiber in the recovery of the human gut microbiome and its metabolome. Cell host & microbe, 2021. 29(3): p. 394-407. e5 (PDF)