Foundational Gut Restoration: The HSI Approach
Remove before you add
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Lesson 2.4 · Page 1
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Learning objective: Apply the HSI foundational gut-restoration sequence to a case example, and explain the evidence basis and limitations of each stage.
Before we begin
“A client wants to start with a £150/month supplement stack for their gut before changing anything about their diet, sleep, or stress.”
What would you say — and where would you actually start?
Watch alongside this lesson
What Role Does our Microbiome Play in a Healthy Diet?
The Royal Institution — Tim Spector
A Royal Institution lecture on dietary diversity and the microbiome — useful background for the Reintroduce stage and why fibre variety matters more than quantity.
Supporting video selected for this topicOpen on YouTube
Key Points
- Six stages: Identify → Investigate → Reduce burden → Rebuild → Reintroduce → Reinforce.
- A sequencing logic, not a rigid prescription — it stops cases jumping straight to supplements.
- Investigate can legitimately conclude that history alone is enough.
- Remove what works against the gut before adding anything new.
- Reintroduce means more different fibres, not simply more fibre.
- Reinforce ties gut work back to the Regimen and Mind domains.
- Each component is well-evidenced; the sequencing is an HSI teaching structure, not a validated algorithm.