About

Gary Lyu

I work upstream, systematically, and conservatively to help people stabilise their health before problems escalate.

My practice focuses on how key biological systems—digestion, stress physiology, inflammation, metabolism, recovery, and circadian rhythm—interact over time. Often, subtle imbalances develop quietly long before a diagnosis appears. My role is to identify these patterns early and support the body’s ability to regulate and recover.

My interest in health began early, influenced by my mother’s background in biology. It became deeply personal through witnessing my father’s long journey with chronic illness. That experience shaped my belief in preventative, root-cause medicine: building resilience before crisis and supporting recovery with structure rather than quick fixes.

I trained with the Institute for Functional Medicine and am also a qualified registered nutrition therapist. Earlier in my career, I worked across specialist dental, aesthetic, private healthcare concierge, and integrative healthcare settings in Central London. This gave me valuable insight into how chronic stress, metabolic dysfunction, inflammation, impaired recovery, and lifestyle factors can influence health across interconnected biological systems.

My approach is calm, precise, and evidence-informed. I prioritise stabilisation first, then deeper recovery—always tailored to the individual. Sustainable health is built through sequencing, not intensity.

Health, to me, is freedom: the ability to think clearly, move confidently, and live with stability.

Qualifications & Professional Training

• Applying Functional Medicine in Clinical Practice (AFMCP) Certificate, Institute for Functional Medicine (IFM)

• Advanced IFM Training Certificates in Gastrointestinal, Hormone, Immune, Cardiometabolic, Environmental, and Energy & Bioenergetics Health

• Diploma in Nutrition Therapy

• Diploma in Nutrigenomics

• Cambridge Advanced Certificate in Interpreting Genetic Testing

• Diploma in The Gut–Brain Connection

• Master of Science (MSc)

• Diploma in Nutrition Advising

Professional Memberships

Institute for Functional Medicine (IFM) – Member
Listed in the IFM Find a Practitioner Directory

Federation of Nutritional Therapy Practitioners (FNTP) – Full Registered Member

Continuous Professional Development (CPD)

I undertake ongoing advanced training across gastrointestinal health, bioenergetics, hormones, cardiometabolic medicine, environmental health, immune function, and ageing science through IFM and other professional medical organisations

Areas of Focus

• Oral-Systemic Health
* Cardiometabolic Health
* Gut Health & the Microbiome
* Mitochondrial Health & Bioenergetics
* Women’s Hormonal Health (PMOS/PCOS, Perimenopause & Menopause)
* Longevity & Healthy Ageing
* Nutrigenetics, Nutrigenomics & Personalised Nutrition

I also work with individuals facing complex or longstanding concerns where a systems-based approach may offer clarity.

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