The TDG Clinical Manual — A Complete Functional Medicine Education
This is the manual that TDG programme clients receive as part of their investigation journey. It is now available as a standalone resource for anyone who wants to understand the clinical reasoning — not just follow instructions.Thirteen modules. Eight-plus hours of reading. Written by Stephen Duncan MSc FDN-P — functional medicine practitioner with 37 years of clinical experience, BSc in Developmental Biology, MSc in Coaching Studies with Applied Physiology, and co-founder of the Omnos functional lab platform.What's covered:Module 01 — Why Generic Advice Fails & The TDG Philosophy (free — read before you buy) Module 02 — Nutrition Principles & The Psychology of Change Module 03 — Stress, the Nervous System & the HPA Axis Module 04 — Digestive Health — The Foundation of Everything Module 05 — Hormonal Balance — The Conductor of Your Symphony Module 06 — Metabolic Health & Blood Sugar Module 07 — The Immunity–Inflammation–Detox Trinity Module 08 — Sleep, Circadian Health & Movement Module 09 — Understanding Your Tests — The Five-Test Programme Module 10 — Metabolic Nature Profiling Module 11 — The Intervention Toolkit Module 12 — Clinical Conditions Module 13 — Building Your Protocol & The Long GameThis is not a book summary. It is original clinical writing at a depth that reflects 37 years of practice — covering HPA axis physiology, metabolic typing, functional lab interpretation, the onion-layer healing sequence, drug-nutrient interactions, and the reasoning behind every clinical decision the TDG approach makes.Who it's for: People working through the TDG programme who want the full clinical context. People preparing to invest in functional medicine and wanting to understand the framework first. Practitioners exploring the FDN methodology.Format: 13 browser-based HTML modules with sidebar navigation, scroll-spy contents, and Previous/Next links. Works on any device. No app required.If you later proceed to the TDG Five-Test Programme, the cost of this manual is credited toward your programme investment.
Get it → stephenduncan.gumroad.com