Diagnostics
Emerging EvidenceStool analysis, SIBO testing, and gut microbiome profiling for targeted treatment.
How specific probiotic strains shift Th2-dominant immune responses in allergic rhinitis, eczema, food allergy, and asthma — a clinical guide to strain selection and protocol design.
Physician-reviewed urolithin A dosage guide: optimal dose from 500mg to 2g, timing, cycling, and stacking protocols backed by clinical evidence.
A physician's clinical guide to butyrate supplements: mechanisms, evidence for gut permeability and immunity, dosage protocols, and which patients benefit most.
Akkermansia muciniphila strengthens gut barrier integrity, improves metabolic markers, and predicts immunotherapy response. A clinical review of supplementation evidence.
Clinical guide to diagnosing and treating SIBO with functional medicine — breath testing, rifaximin vs herbal antimicrobials, diet, and relapse prevention.
Physician guide to probiotics, prebiotics, postbiotics, and synbiotics. Definitions, mechanisms, when to use each, and how they work together for gut health.
Comparing GI-MAP qPCR stool testing with standard stool culture. Detection rates, pathogen coverage, clinical utility, and when each test is the right choice.
How Lyme disease disrupts the gut microbiome. Antibiotic-driven dysbiosis, Borrelia's effect on intestinal permeability, the Hopkins microbiome findings, and recovery strategies.
Practical guide to interpreting gut microbiome test results. Dysbiosis markers, keystone species, diversity metrics, and what your results actually mean for treatment.
How gut microbial diversity shapes immune function, and what testing and restoration strategies the evidence supports. By Dr. Julian Douwes.
What microbiome stool tests measure, how to interpret results, and which tests provide actionable clinical information. By Dr. Julian Douwes.
Evidence-based guide to probiotic strain selection. Which strains work for which conditions, when to avoid probiotics, CFU counts, spore-based vs traditional, and what I use in clinical practice.
The bidirectional gut-brain axis governs mood, cognition, and immune balance. Dr. Julian Douwes explains the science and integrative protocols for restoring this critical communication pathway.
