LIVE LONGER. LIVE HEALTHIER. PERFORM BETTER.

Precision health, built around your biology.

GC Biosciences combines advanced diagnostics, cardiovascular science, medical expertise, nutrition and health coaching to identify the factors influencing your current health and future disease risk, then builds a personalised strategy to improve them.We combine advanced blood analysis with personalised health coaching to detect early dysfunction, reduce disease risk, and optimise long-term health.

Most healthcare begins when something is already wrong. We want to start earlier.

Episodic testing and population reference ranges are built to catch disease once it’s already present, not to track how your health is trending. Symptom-led care waits for something to go wrong before it responds.

GC Biosciences takes a different approach: comprehensive, longitudinal measurement that identifies risk while there’s still time to act on it.

Every programme follows the same four-step method.

1

MEASURE

Build a detailed biological baseline using advanced laboratory testing, physiological measurements and health assessment.

2

INTERPRET

Integrate results with medical history, lifestyle, performance, objectives and long-term risk.

3

INTERVENE

Implement an individual strategy spanning nutrition, exercise, supplementation, behaviour and, where clinically appropriate, medical intervention.

4

REASSESS

Measure again to determine objectively what changed, what did not, and what needs to happen next.

GC Biosciences is led by scientists, not salespeople.

Calum D. Gore,

BSc, MSc, PhDc, Co-Founder & Cardiovascular Scientist

Calum's doctoral research is in cardiovascular longevity: how blood vessels age, and what that reveals about long-term disease risk. This is what gives the programme its scientific foundation. Every intervention is built on a genuine understanding of what drives long-term health, not on what a single blood test happens to show on the day.

Dr Robert Corney,

BSc, MSc, M.Phil, PhD, Co-Founder

Rob's doctoral research is in the hormones that regulate appetite and metabolism. It explains why clients so often struggle to lose fat, sustain energy or control hunger, even when they are doing everything right. That expertise shapes how the programme builds nutrition and behaviour strategies that work with your biology, not against it. Every programme is also supported by a wider clinical team of doctors, nutritionists and health coaches, working alongside Calum and Rob to interpret your results and deliver your plan.

Every programme begins with the Evidence Based Healthspan Assessment, a comprehensive, clinical-grade evaluation carried out at our Harley Street clinic.

Arrival and consultation
Advanced blood diagnostics
Cardiovascular, metabolic and physiological assessment
Body composition and relevant biometric assessment
Expert interpretation
Personal health strategy
Ongoing coaching and intervention
Repeat measurement and refinement

Hear From Our Previous Clients

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   Nick Hiles 
 
 
 
 Trustindex verifies that the original source of the review is Google. Part way through my journey with Callum and the team at GC Biosciences- support clinically, nutritionally and admin has been immense and totally tailored to me and what I need - great all round  package
  
 
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   Anne Sanderson 
 
 
 
 Trustindex verifies that the original source of the review is Google. Started with GC Biosciences a couple months ago and have had fabulous results …I suffered from bloating , stomach hardness after eating and could never loose weight …after having my bloods taken I was amazed on the results …intolerances to certain foods I ate a lot and also sensitive to gluten and dairy ( of which I ate loads ) after changing my diet to a gluten free and dairy free diet I have seen amazing results …no bloating , no hardness , more energy and lost weight ( with the help of Evelyn nutritionalist ) she advices me of certain foods , what I have to be aware of and checks in on me weekly …a great support … I didn’t really believe in any scientific findings until my son persuaded me to go ahead and I’m so pleased I did …let the journey begin ????????
  
 
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   Dan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Fantastic team, very attentive and knowledgeable. Would highly recommend
  
 
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   Paul Trepte 
 
 
 
 Trustindex verifies that the original source of the review is Google. My experience with GC Biosciences has been excellent. I’ve always considered myself to be fit and healthy, but after committing to the full 360 programme with blood tests, I have discovered that some improvements were needed. The team at GC have been superb, they explained my blood results and organised the necessary supplements and drugs without me worrying about sourcing anything. Communication throughout has been superb and has given me confidence to ask even those silly questions! The nutritional support has been very thorough and I have started to lose weight without feeling hungry or being bothered by cravings. Overall the experience has been superb and I can’t wait for my next test to see the results in black and white. I can highly recommend them to anyone who takes their health and wellbeing seriously and wants/needs support and advice to achieve their goals.
  
 
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   Faris Safar 
 
 
 
 Trustindex verifies that the original source of the review is Google. Have used GC Biosciences for several years now and have always found Rob and his team extremely helpful and professional. The level of information and advice provided from their tests has been paramount in helping me lose a considerable amount or weight, improve general fitness and overall health markers considerably. Would highly recommend these guys ????????
  
 
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   David Hoyle 
 
 
 
 Trustindex verifies that the original source of the review is Google. i  have worked with the team for 6 montha and have lost 8 k in wieght and reduced  vastly my Cholesterol markers, while keeping muscle mass. Evelyn the nutritionist is really knowledgeable and supportive, with some great insights into current thinking on nutrition. I can highly recommend Bio science.
  
 
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   Simon Kennedy 
 
 
 
 Trustindex verifies that the original source of the review is Google. Working with GC Biosciences has been a fantastic experience. They helped me improve all of my markers with a clear, structured plan - nothing generic about it. The depth of knowledge and personalised guidance they provide is genuinely impressive. Highly recommend to anyone looking for support that's truly tailored to them.
  
 
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   Sylvia Sobolewska 
 
 
 
 Trustindex verifies that the original source of the review is Google. As a woman over 40, I was on a journey to truly understand my health and find the right supplements and diet. From day one, the GC Biosciences team were incredible, they guided me step by step through the whole process, from having a blood test done in the comfort of my own home to receiving a detailed nutrition plan and a personal consultation where everything was clearly explained. They even sent direct links to the specific supplements recommended for me, saving time and effort with my own research. The whole experience felt professional but also personal, and genuinely focused on helping me improve my health and wellbeing. I can’t wait to track my results and see the difference. Our journey together has only just started!
  
 
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   SWEET LOVE 
 
 
 
 Trustindex verifies that the original source of the review is Google. Thank you so much for everything. Very professional, I felt really comfortable getting my blood done by Calum Which is something that usually scared me. Thank you again
  
 
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   Clare R 
 
 
 
 Trustindex verifies that the original source of the review is Google. Such a good experience with GC Bioscience. The blood test was quick, easy and painless. Got my results back really fast too, and they actually explained everything in a way that made sense. Plus they told me exactly what vitamins/supplements I should be taking. Super easy, super helpful… would definitely recommend.
  
 
  
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Every programme begins with the Evidence Based Healthspan Assessment. From there, choose the level of ongoing support that fits your goals.

Assessment & Strategy

The Evidence Based Healthspan Assessment, followed by a single consultation to deliver your personalised lifestyle intervention plan covering nutrition, exercise, supplementation and behaviour change. Ideal for those who want a clear, expert-led starting point.

6-Month Coaching Programme

Everything in Assessment & Strategy, plus six months of ongoing coaching to help you implement and sustain your plan. Includes one repeat blood test at the end of the programme to track progress against your baseline.

12-Month Coaching Programme

Everything in the 6-Month Coaching Programme, extended across a full year. Includes coaching throughout, blood retesting every three months to track your progress in detail, and two cancer screening tests as part of your ongoing care.

Investment for each programme is discussed during your consultation, based on your goals and the level of support that’s right for you.

Led by scientists. Delivered with precision.

Scientist-led. The company is led by researchers and health professionals rather than functioning as a testing reseller.
Integrated expertise. Science, medicine, nutrition and coaching operate as one client pathway rather than as disconnected services.
Longitudinal. The model is not simply test-and-report: assess, intervene, measure again and refine.
Evidence-led. Recommendations reflect the strength of available evidence rather than wellness trends or fashionable biomarkers.
Highly personalised. Intervention follows your phenotype, risk factors, objectives and measured response.
Human implementation. Data alone doesn’t change outcomes; adherence, behaviour and sustained support are integral to the programme.

Real clients. Real results.

Cardiovascular Risk Reduction

A client’s assessment picked up elevated cardiovascular risk markers years before symptoms would have appeared. Targeted intervention brought those markers back within optimal range and cut long-term risk.

Metabolic Health

Persistent gut and metabolic symptoms were traced to specific, measurable causes through comprehensive testing. A personalised nutrition and lifestyle programme resolved the cause, not just the symptoms.

Executive Health and Longevity

A high-performing executive used the programme to address the biological cost of chronic work stress, protecting long-term health without stepping back from a demanding career.

Elite Performance

Professional athletes use the programme to sharpen training response, recovery and body composition, turning biological data into measurable gains.

Client success stories. Will you be next?

Liam Harrison

9 x Muay Thai World Champion, co-owner of Bad Company Gym and Hitman Fight League.

Mandeep Sadhu, 42

Reduced cholesterol, HbA1c & cardiovascular risk factors.

Aaron Eastwood

Founder of Ase Media. Resolved Candida and Chronic Gut Pain After 7 Years.

Will Dixon

Professional Muay Thai Fighter, 1st Legion Gym.

George McManus

Top Ranked Professional MMA fighter, co-founder of 1st Legion Gym.

Charlie O’Neill

World Champion Kick-Boxer, 1st Legion Gym.

Josh McManus

Professional Muay Thai Fighter, UK Top 10, co-founder of 1st Legion Gym.