// Labs & Tools
Practice, don't just read.
Interactive tools to audit popular claims and test your knowledge.
Lab 01
Microbiome myth checker
No — the corrected estimate is ~1:1 (Sender et al. 2016).
Lab 02
Probiotic evidence quick-reference
| Strain | Indication | Evidence |
|---|---|---|
| S. boulardii CNCM I-745 | AAD prevention | A |
| L. rhamnosus GG | Pediatric AAD | A |
| B. infantis 35624 | IBS global symptoms | B |
| Multi-strain (various) | NEC prevention (VLBW) | B |
| Generic 'probiotic blend' | General gut health | E |
Lab 03
Antibiotic stewardship decision aid
Choose a clinical scenario and see the microbiome-impact assessment.
Nitrofurantoin (5 days)
Microbiome impact: Low
Narrow-spectrum, minimal gut microbiome disruption. Preferred over fluoroquinolones for microbiome preservation.
Lab 04
Diet–microbiome impact estimator
See how different dietary patterns affect the gut microbiome based on published studies.
+
Diversity
++
SCFA production
↓
Inflammation
Weeks to months
Timeline
Consistently associated with higher Prevotella, Faecalibacterium, and SCFA levels. The best-studied dietary pattern for microbiome health.
Sources: De Filippis 2016, Ghosh 2020
Lab 05
Claim grader exercise
Read a claim and assign your own evidence grade before revealing the expert assessment.
"Eating yogurt daily prevents colon cancer."
What grade would you assign? (A = clinically established → F = misleading)