You’ve had blood tests done. Your GP glanced at the results and told you everything’s “normal.” But you still feel exhausted, foggy, or just… off. Sound familiar?
The problem isn’t you. It’s how those results were interpreted. NHS reference ranges are designed to flag disease, not dysfunction. That means you can feel awful and still be told there’s nothing wrong.
This consultation exists to close that gap. I take your blood work, analyse it using ODX functional optimal ranges, combine it with a detailed lifestyle assessment, and deliver what your GP doesn’t have time to create: a personalised, written action plan designed to optimise your metabolic health and extend your healthspan.
You leave with a clear plan. Not vague advice. Specific steps.
At a Glance — Health Optimisation Consultation
| What | 45-minute online video consultation with ODX functional blood chemistry analysis and personalised written action plan |
| Practitioner | Rohan Berg, FBCA ODX Specialist — verified biological age of 20 (chronological age 47) via GlycanAge testing |
| Price | £125 (consultation + written plan). Comprehensive blood testing packages available from £445 |
| Turnaround | Written action plan delivered within 5 working days |
| Location | Entirely online — available UK-wide. In-person services available in Lincoln |
| What You Need | Recent blood work (within 6 months) — NHS or private results accepted |
| Evidence | Case study: 85% testosterone increase in 16 weeks without TRT |
| Approach | ODX optimal ranges (not NHS disease-detection thresholds) combined with lifestyle, nutrition, and supplement protocols |
What This Consultation Includes
The Consultation (45 Minutes, Online)
We review your blood work together using ODX optimal ranges — not the broad NHS ranges that label dysfunction as “normal.” I’ll walk you through what each marker means, how they connect to each other, and what patterns they reveal about your metabolic health.
But blood work is only half the picture. During the consultation, we’ll also dig into your current symptoms and health concerns, sleep quality and energy patterns, diet and nutritional approach, exercise and recovery habits, stress and lifestyle factors, and your specific health goals — whether that’s weight management, sustained energy, longevity, or physical performance.
Your Written Action Plan
Within 5 working days of your consultation, you receive a comprehensive PDF document. This isn’t a generic template — it’s built around your results, your lifestyle, and your goals. Here’s what it covers:
- Blood work summary: Key findings from your results using optimal functional ranges, not just NHS thresholds
- Pattern analysis: How your markers connect and what they reveal about underlying function — things a standard GP review simply doesn’t look for
- Priority areas: The 2–3 most important things to address first, so you’re not overwhelmed
- Supplement protocol: Specific recommendations with UK-available brands, doses, and timing
- Nutritional guidance: Dietary strategies matched to your biomarker patterns
- Lifestyle recommendations: Sleep, exercise, and stress interventions tailored to your situation
- Next steps: A clear roadmap for the next 8–12 weeks
- Retest recommendations: Which markers to monitor and when, so you can track real progress
Follow-Up Support
Once you’ve had time to read through your plan, email support is included. If something isn’t clear or you need clarification on timing or dosing, just ask.
How It Works
Step 1: Book and Submit
Book your consultation online. Before we meet, you’ll complete a detailed health questionnaire and upload your blood test results. I accept both NHS and private results from the past 6 months.
Step 2: Your Consultation
We meet for a 45-minute video call. I walk you through your results, we discuss your lifestyle in detail, and together we identify the key optimisation opportunities.
Step 3: Receive Your Plan
Within 5 working days, your personalised action plan arrives via email. Clear, actionable, and specific to you.
Step 4: Implement and Track
Follow your plan. Email me with any questions along the way. Retest in 8–12 weeks to measure your progress objectively.
Who This Consultation Is For
This service is a good fit if you’ve had blood tests done and want someone to actually explain what they mean — beyond “everything’s fine.” It’s for people who’ve been told their results are “normal” but still don’t feel right. It’s for anyone who wants a clear, written plan rather than a five-minute conversation that ends with “come back if it gets worse.”
If you’re interested in longevity, metabolic health, or hormone optimisation, and you want UK-specific recommendations from someone who uses these approaches personally, this consultation was built for you.
This is not the right fit if you need urgent medical care (please contact your GP or A&E), or if you’re not prepared to make any changes based on what we find. I’m here to help people who are ready to take ownership of their health.
If you don’t have recent blood work, consider our Functional Blood Testing Package (£445) which includes a comprehensive panel plus full analysis and consultation.
Real Results: 85% Testosterone Increase Without TRT
A 30-year-old man came to me with blood results showing clinically low testosterone. His GP had suggested testosterone replacement therapy (TRT). An AI health app agreed. Before committing to lifelong treatment, he booked a consultation.
What the consultation revealed: His blood had been drawn at 1:15 PM — testosterone naturally declines 30–40% from its morning peak, meaning his result was artificially low. He also had elevated prolactin, a marker closely tied to poor sleep quality that directly suppresses testosterone production. His vitamin D sat at 94 nmol/L, which the NHS calls “adequate” but is suboptimal for hormone production. You can check where your own levels sit using our vitamin D dose calculator.
His personalised action plan included: a sleep optimisation protocol (magnesium glycinate, tart cherry extract), hormone substrate support (zinc, vitamin D3, K2), adaptogenic support (shilajit, fenugreek), and targeted nutritional changes including increased dietary cholesterol to support steroidogenesis.
Results at 16 weeks:
| Marker | Before | After | Change |
|---|---|---|---|
| Total Testosterone | 9.81 nmol/L | 18.10 nmol/L | +85% |
| Free Testosterone | 0.149 nmol/L | 0.307 nmol/L | +106% |
| Prolactin | 334 mIU/L | 135 mIU/L | −60% |
Not sure whether your own testosterone levels are optimal? Our free testosterone level calculator takes two minutes and is validated against the ADAM screening questionnaire with 88% sensitivity.
“I was looking to do TRT replacement, but was advised otherwise – to change my lifestyle through eating and supplements. I can say it has 100% changed my life.”
— Verified Google Review
That’s what a proper plan can do. He got clarity, followed through, and avoided lifelong hormone replacement.
Why Optimal Ranges Matter
NHS reference ranges are calculated from population averages that include people who are already unwell. “Normal” simply means you’re not sick enough to treat — it doesn’t mean you’re functioning well. This is why so many people fall through the cracks: their markers sit inside the range, but they’re nowhere near where the body performs best.
I use ODX (Optimal DX) — a functional blood chemistry analysis platform built on data from thousands of clinical cases. It identifies the narrower ranges associated with good health outcomes, not just the absence of disease. Here are a few examples of where NHS and optimal ranges diverge:
| Biomarker | NHS “Normal” | Optimal Range | Why It Matters |
|---|---|---|---|
| Ferritin | 15–300 µg/L | 50–150 µg/L | Below 50 commonly causes fatigue and brain fog |
| Vitamin D | 50+ nmol/L | 100–150 nmol/L | Below 100 linked to poor immunity and low mood. See our vitamin D injection service |
| TSH | 0.4–4.5 mIU/L | 1.0–2.5 mIU/L | Higher values often indicate sluggish thyroid function |
| Testosterone | 8.6–29 nmol/L | 15–25 nmol/L | Below 15 often symptomatic in men under 50 |
This is the difference between being told “you’re fine” and actually understanding where your health stands — and what to do about it.
About Your Practitioner: Rohan Berg
I’m Rohan Berg, an FBCA ODX Specialist trained in functional blood chemistry analysis through Dr Dicken Weatherby’s programme. I’ve spent over 20 years researching health optimisation, and I founded a nutraceutical company focused on advanced supplement formulations.
I don’t just recommend these approaches — I use them. Using the same protocols I give to clients, I achieved verified biological age reversal through GlycanAge testing (test kit GA-005705, sampled August 2023). The results were independently verified by GlycanAge’s CLIA-certified laboratory:
| GlycanAge Metric | Result | What It Means |
|---|---|---|
| Biological Age | 20 years old | Chronological age at testing: 47. A 27-year reversal. |
| Glycan Shield (anti-inflammatory) | 95th percentile | Exceptional immune regulation — top 5% of all adults tested |
| Glycan Youth (anti-inflammatory) | 80th percentile | Strong youthful immune function, low chronic inflammation |
| Glycan Mature (pro-inflammatory) | 16th percentile | Very low pro-inflammatory markers — optimal range |
| Glycan Bisection (stress marker) | 4th percentile | Minimal environmental and chronic stress impact |
| Cardiovascular Health | Optimal | No inflammatory signals in cardiovascular pathways |
| Metabolic Health | Optimal | No inflammatory signals in metabolic pathways |
| Autoimmunity | Optimal | No autoimmune inflammatory patterns detected |
Rohan Berg
FBCA ODX Specialist • Functional Aesthetics
Primary Glycan Indexes
Used to calculate biological age — all three must be optimal for accurate age reversal
Glycan Shield (S)
Anti-inflammatory index
Glycan Youth (G2)
Anti-inflammatory index
Glycan Mature (G0)
Pro-inflammatory index
Supportive Glycan Indexes
Help narrow down associations with specific disease types and lifestyle habits
Glycan Median (G1)
Supportive index
Glycan Bisection (B)
Supportive index
Result Indications
All Primary Indexes Optimal
Results show a strong, youthful immune system managing inflammation extremely well. This pattern is rare and usually found in people with a combination of great genetics, healthy habits, and sometimes the right medical or hormonal support. Even with existing health risks, this result means the body is currently keeping them under excellent control.
Suboptimal Glycan Median
Vascular resilience is slightly below optimal. This supportive index does not affect the primary biological age calculation and is common in otherwise healthy individuals. It may respond to targeted cardiovascular and anti-inflammatory interventions.
GlycanAge measures inflammaging — chronic inflammation driven by immune system ageing — by analysing glycan structures attached to IgG antibodies. It’s backed by over 300 peer-reviewed papers and is one of the few biological age tests that responds to lifestyle and medical interventions within as little as 3 months. Read my full GlycanAge interview here, or download the verified GlycanAge report (PDF — link coming soon).
I’ve also experienced the other side. In 2024, I crashed into severe Overtraining Syndrome — a complete HPA axis and nervous system collapse. I’ve documented that recovery journey in my book, The Recovery Code. I understand both peak optimisation and what happens when the body breaks down. That lived experience shapes every consultation I deliver.
Credentials: Functional Blood Chemistry Analyst — ODX Specialist, NCFE Level 3 Qualified Phlebotomist, IPRF Certified Practitioner, and published author (The Recovery Code).
What Clients Say
“I can’t speak highly enough about my experience with Functional Aesthetics. The deep knowledge of functional medicine completely transformed my health.”
— Verified Google Review
“I needed a full hormone test. My doctor said I was too young to get tested for menopause. Luckily Functional Aesthetics does a quick, easy blood test.”
— Verified Client
“It has 100% changed my life and I’m feeling much better for doing so.”
— Verified Google Review
Pricing and Options
Health Optimisation Consultation — £125
A 45-minute online consultation plus a written action plan delivered within 5 working days. Includes email follow-up support for questions about your plan. You’ll need recent blood work (within 6 months) — NHS or private results are both accepted.
Looking for something more comprehensive, or need blood testing included? Here’s how our consultation options compare:
| Service | Price | Best For |
|---|---|---|
| Health Optimisation Consultation | £125 | You have blood work and want a clear, written plan |
| FBCA Consultation (45-min video) | £200 | In-depth functional blood chemistry analysis + detailed protocol |
| Functional Blood Testing Package | £445 | You need comprehensive testing + full analysis + consultation |
Not sure which option suits you? Get in touch and I’ll point you in the right direction.
Frequently Asked Questions
What blood tests do I need before my consultation?
I accept any recent blood work from the past 6 months, whether NHS or private. Ideally, your panel would include a full blood count, liver and kidney function, thyroid markers, iron studies, vitamin D, and hormones. If you’re unsure whether your results are detailed enough, send them over when you book and I’ll let you know.
How is this different from seeing my GP about blood results?
Your GP typically has around 10 minutes and uses broad NHS reference ranges designed to detect disease. I spend 45 minutes reviewing your results using ODX optimal ranges — narrower, evidence-based thresholds that identify dysfunction before it becomes a diagnosable condition. You also receive a written action plan with specific supplement, nutrition, and lifestyle recommendations. That’s something the NHS simply doesn’t offer.
What are ODX optimal ranges?
ODX (Optimal DX) is a functional blood chemistry analysis platform built on clinical data from thousands of cases. Instead of using population-average ranges that include people who are already unwell, ODX identifies the narrower ranges where the body actually functions well. It’s the difference between “not sick” and “genuinely healthy.”
Can I use NHS blood test results for this consultation?
Yes, absolutely. NHS results are accepted and I can work with whatever markers your GP has tested. That said, private panels tend to include a wider range of biomarkers — things like full thyroid panels, sex hormones, and insulin — which give a more complete picture. If you’d like comprehensive testing done, our Functional Blood Testing Package covers everything.
How long until I receive my personalised action plan?
Your written plan is delivered via email within 5 working days of your consultation. It’s a comprehensive PDF covering your blood work analysis, priority areas, supplement protocol, nutrition guidance, and a clear 8–12 week roadmap.
Do I need to be in Lincoln for this consultation?
No. This consultation is entirely online via video call, so it’s available UK-wide. You can be anywhere in the country. If you’re local to Lincoln and would prefer in-person blood testing or phlebotomy services, those are available too.
What if I don’t have any recent blood work?
If you don’t have results from the past 6 months, I’d recommend our Functional Blood Testing Package (£445) which includes a comprehensive blood panel, full ODX analysis, and a consultation. It’s the complete package from testing through to your written action plan.
What is GlycanAge and how did you achieve a biological age of 20?
GlycanAge is a biological age test that measures inflammaging by analysing glycan structures attached to IgG antibodies. It is backed by over 300 peer-reviewed papers and uses CLIA-certified laboratory analysis. My verified GlycanAge test (kit GA-005705, August 2023) returned a biological age of 20 at a chronological age of 47, with all primary glycan indexes in the optimal range: Glycan Shield at the 95th percentile, Glycan Youth at the 80th percentile, and Glycan Mature at the 16th percentile. This was achieved through the same functional blood chemistry analysis, targeted supplementation, nutritional optimisation, and lifestyle protocols that I recommend to clients in these consultations.
Frequently Asked Questions
What blood tests do I need before my consultation?
I accept any recent blood work from the past 6 months, whether NHS or private. Ideally, your panel would include a full blood count, liver and kidney function, thyroid markers, iron studies, vitamin D, and hormones. If you’re unsure whether your results are detailed enough, send them over when you book and I’ll let you know.
How is this different from seeing my GP about blood results?
Your GP typically has around 10 minutes and uses broad NHS reference ranges designed to detect disease. I spend 45 minutes reviewing your results using ODX optimal ranges — narrower, evidence-based thresholds that identify dysfunction before it becomes a diagnosable condition. You also receive a written action plan with specific supplement, nutrition, and lifestyle recommendations.
What are ODX optimal ranges?
ODX (Optimal DX) is a functional blood chemistry analysis platform built on clinical data from thousands of cases. Instead of using population-average ranges that include people who are already unwell, ODX identifies the narrower ranges where the body actually functions well. It’s the difference between not sick and genuinely healthy.
Can I use NHS blood test results for this consultation?
Yes, absolutely. NHS results are accepted and I can work with whatever markers your GP has tested. Private panels tend to include a wider range of biomarkers such as full thyroid panels, sex hormones, and insulin, which give a more complete picture.
How long until I receive my personalised action plan?
Your written plan is delivered via email within 5 working days of your consultation. It’s a comprehensive PDF covering your blood work analysis, priority areas, supplement protocol, nutrition guidance, and a clear 8 to 12 week roadmap.
Do I need to be in Lincoln for this consultation?
No. This consultation is entirely online via video call, so it’s available UK-wide. You can be anywhere in the country. If you’re local to Lincoln and prefer in-person blood testing or phlebotomy services, those are available too.
What if I don't have any recent blood work?
If you don’t have results from the past 6 months, the Functional Blood Testing Package at £445 includes a comprehensive blood panel, full ODX analysis, and a consultation. It’s the complete package from testing through to your written action plan.
What is GlycanAge and how did you achieve a biological age of 20?
GlycanAge is a biological age test that measures inflammaging by analysing glycan structures attached to IgG antibodies. It is backed by over 300 peer-reviewed papers and uses CLIA-certified laboratory analysis. My verified GlycanAge test (kit GA-005705, August 2023) returned a biological age of 20 at a chronological age of 47, with all primary glycan indexes in the optimal range: Glycan Shield at the 95th percentile, Glycan Youth at the 80th percentile, and Glycan Mature at the 16th percentile. This was achieved through the same functional blood chemistry analysis, targeted supplementation, nutritional optimisation, and lifestyle protocols that I recommend to clients.
