Nutritional & metabolic test · Blood and urine · UK clinic
NutrEval Test
The NutrEval is a nutritional and metabolic test from a UK clinic. From a blood draw and a first-morning urine sample it assesses more than 125 biomarkers: organic acids, amino acids, fatty acids, oxidative stress, nutrient minerals and toxic metals, and turns them into a functional need for 40 vitamins, minerals, antioxidants and other nutrients. For fatigue, low energy, chronic symptoms or recovery that has stalled, when the usual blood tests say everything is fine.
- Free UK delivery by Royal Mail, prepaid return
- Results in 21 working days
Not sure if this is the right test for you? Book a free 15-minute Discovery Call with a registered practitioner.
What you receive
Your collection kit for the urine sample and the blood draw (the blood is taken by a phlebotomist; we tell you how to arrange it), laboratory analysis of more than 125 biomarkers, plus a lab report with each marker against its reference range and a summary of your functional nutrient needs. View a sample lab report.
Delivery and turnaround
Free UK delivery by Royal Mail 48-hour service and prepaid return, both included in the price. Kits are dispatched within 1 to 2 working days. Results ready approximately 21 working days from when the lab receives your sample. International delivery is available, with costs calculated at checkout.
What does the NutrEval test for?
It tests more than 125 biomarkers across six areas, organic acids, amino acids, fatty acids, oxidative stress, nutrient elements and toxic metals, and reads them together to show which vitamins, minerals and other nutrients your body is actually short of, how your cells are making energy, and what is getting in the way.
Amino acids
The essential and non-essential amino acids in your blood, plus the urea cycle and B-vitamin markers tied to them.
Fatty acids
Omega-3, omega-6 and omega-9, saturated and trans fats in your red cells, with the ratios that point to inflammation and cardiovascular risk.
Minerals & toxic metals
Copper, zinc, magnesium, potassium, manganese and selenium, and exposure to lead, mercury, arsenic and cadmium.
Organic acids
Markers of cellular energy, B-vitamin status, gut dysbiosis, neurotransmitter turnover and detoxification, from your urine.
Oxidative stress
Glutathione, coenzyme Q10, lipid peroxides and 8-OHdG, the markers of how much damage your cells are taking and how well you are defending them.
See every area, in seven groupsTap or click a group to see every marker in it

Organic acids: energy & mitochondria
Intermediates of the energy cycle that show how well your cells are turning food into energy.
- Citric acid
- Isocitric acid
- Succinic acid
- Lactic acid
- Pyruvic acid
Organic acids: vitamins, neurotransmitters & detox
Functional markers of B-vitamin status, neurotransmitter turnover, dysbiosis and detoxification.
- Methylmalonic acid (B12)
- Xanthurenic acid (B6)
- Kynurenic acid
- Quinolinic acid
- Homovanillic acid (dopamine)
- Vanilmandelic acid (adrenaline, noradrenaline)
- 5-OH-indoleacetic acid (serotonin)
- Malabsorption and dysbiosis markers
- Detoxification and oxalate markers
Amino acids (plasma and urine)
Essential and non-essential amino acids, intermediary metabolites, urea cycle and B-vitamin markers.
- Essential amino acids (leucine, isoleucine, valine, lysine, methionine, phenylalanine, tryptophan and others)
- Non-essential amino acids (alanine, glycine, serine, glutamine and others)
- Homocysteine and cystathionine
- Citrulline, ornithine and urea (urea cycle)
- Sarcosine, carnosine, anserine (dietary peptide markers)
Essential & metabolic fatty acids (red cells)
The fats in your cell membranes and the ratios that matter for inflammation and heart health.
- Omega-3: EPA, DHA, alpha-linolenic acid
- Omega-6: linoleic acid, arachidonic acid and others
- Omega-9: oleic acid
- Saturated fats: palmitic, stearic
- Monounsaturated and trans fats: palmitoleic, elaidic
- Omega-3 index and the omega-6 to omega-3 ratio
- Delta-6 desaturase activity
Oxidative stress
How much oxidative damage is happening and how well your antioxidant defences are keeping up.
- Glutathione (whole blood)
- Coenzyme Q10 (serum)
- Lipid peroxides (urine)
- 8-OHdG (urine)
Nutrient elements
The minerals your enzymes depend on.
- Copper (plasma)
- Zinc (plasma)
- Magnesium (red cells)
- Potassium (red cells)
- Manganese (whole blood)
- Selenium (whole blood)
Toxic elements
Exposure over roughly the past three to four months.
- Lead
- Mercury
- Arsenic
- Cadmium
Who is the NutrEval for?
For fatigue, low energy, brain fog, slow recovery or long-running symptoms with no clear cause, and for anyone who wants their supplements chosen from data rather than guesswork.
A restricted or vegan diet
Often linked to: gaps in B12, zinc, omega-3 or amino acids.
This test measures: methylmalonic acid, zinc, EPA and DHA, and the full amino acid profile.
Brain fog & poor concentration
Often linked to: low B12 or B6 markers, poor neurotransmitter turnover or omega-3 shortfall.
This test measures: methylmalonic acid, xanthurenic acid, the neurotransmitter metabolites and the omega-3 index.
Digestive symptoms
Often linked to: dysbiosis or malabsorption showing in the organic acids.
This test measures: the malabsorption and dysbiosis markers and the amino acid pattern.
Dry skin, eczema or brittle nails
Often linked to: essential fatty acid or zinc shortfall.
This test measures: omega-3 and omega-6 fatty acids, the omega-3 index and plasma zinc.
Fatigue that rest does not fix
Often linked to: poor cellular energy production, low B vitamins, magnesium or CoQ10, or oxidative stress.
This test measures: the energy-cycle organic acids, B-vitamin markers, magnesium, CoQ10 and 8-OHdG.
Frequent colds & infections
Often linked to: low zinc, selenium or vitamin markers, or oxidative stress.
This test measures: zinc, selenium, glutathione and the vitamin markers.
Headaches or migraines
Often linked to: low magnesium, B vitamins or a toxic metal burden.
This test measures: red-cell magnesium, B-vitamin markers, lead and mercury.
Heart health & cholesterol worries
Often linked to: a poor fatty acid balance or high oxidative stress.
This test measures: the omega-3 index, the omega-6 to omega-3 ratio, CoQ10 and lipid peroxides.
Inflammation & joint pain
Often linked to: an omega-6 to omega-3 imbalance or oxidative stress.
This test measures: the fatty acid ratios, arachidonic acid, lipid peroxides and glutathione.
Low mood & anxiety
Often linked to: imbalances in the amino acids and B vitamins that neurotransmitters are made from.
This test measures: tryptophan, tyrosine and phenylalanine, 5-HIAA, HVA, VMA and kynurenic acid.
Muscle weakness or slow recovery
Often linked to: low amino acids, carnitine markers or mitochondrial strain.
This test measures: the plasma amino acids and the energy-cycle organic acids.
Poor sleep
Often linked to: low magnesium, disturbed neurotransmitter turnover or oxidative stress.
This test measures: red-cell magnesium, the neurotransmitter metabolites and 8-OHdG.
Possible toxic exposure
Often linked to: lead, mercury, arsenic or cadmium from work, diet or environment.
This test measures: the four toxic elements in whole blood.
How does the NutrEval test work?
A first-morning urine sample collected at home and a fasting blood draw by a phlebotomist on the same morning, then both go back to the lab with the prepaid return.
Order online
Secure checkout. No clinic visit or GP referral required.
Your kit arrives by post
Dispatched within 1 to 2 working days. Delivered by Royal Mail 48-hour service.
Urine at home, blood by phlebotomist
Urine at home (then frozen) and a fasting blood draw, same morning, Monday to Wednesday.
Return with the prepaid label
Post it back with the prepaid return in the kit. Results ready in 21 working days.
How do I interpret my results?
Making sense of a lab report is the most important part of testing. Once your results are ready, your lab report is uploaded to your secure Client Folder. From there, you choose your level of support from our UK-registered nutritional therapist (optional, priced separately): a Lab Findings Review or a Comprehensive Consultation.
BSc, mBANT, CNHC, NLP Dip


Which consultation is right for me?
Understand your results with a Lab Findings Review, or go a step further and act on them with a Comprehensive Consultation.

Lab Findings Review
£99- Clinical analysis of your lab results
- What the findings mean for your symptoms and health
- Time for your questions
Comprehensive Consultation
£180- Everything in the Lab Findings Review
- In-depth review of your health history, diet and lifestyle (Health Questionnaire and Food & Symptoms Diary)
- A fully personalised nutrition & lifestyle action plan
What do our customers say?
“Alongside the GI Map Stool test that I did, this Nutreval test was the perfect combination as it gave Me and Carmen the full picture with regards to what is going on not only in my gut/microbiome but also all other areas of my organs/body and all levels of my vitamins, minerals, amino acids, mehlyation etc etc.”
IshVerified customerFound what was behind the tiredness
This test revealed nutrient deficiencies, malabsorption and toxicity in my system that were to blame for my symptoms. Since then I've been following a personalised diet and lifestyle plan from Nutrition Diets to correct the underlying issues and it's worked wonders.
Nick SVerified customerBetter sleep and energy three months on
I was recommended this test by Carmen after explaining my symptoms of fatigue, low energy and overall problems with sleep during our first call. Since taking the test and going over the results together, I've been following her personalised plan to improve the balance of my hormones, using a combination of food, supplements and lifestyle adjustments. Three months in, and I have seen a noticeable improvement in my sleep and my energy levels already.
KathyVerified customerReview of the DUTCH Plus Complete Test + Cortisol Awakening Response (CAR)Read all 2 reviews of this test·Write a review
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Frequently Asked Questions
Can I do the NutrEval at home in the UK?
Yes. It is an at-home test: you order online, the kit comes to your door by Royal Mail, you collect at home and the prepaid return takes it to the lab. No GP referral or clinic visit is needed. We send kits to any UK address, and international delivery is priced at checkout.
What is the difference between the NutrEval and a standard blood test?
A standard blood test measures a handful of nutrients and tells you how much of each is in your blood. A normal result does not mean your body has enough: it holds blood levels steady for as long as it can, even while you are running low.
The NutrEval tests more than 125 markers and shows whether your body has enough of each nutrient to work properly. For example, your B12 blood level can be normal while a marker in your urine shows your body is short of it. It also covers what a standard panel leaves out: amino acids, fatty acids, oxidative stress and toxic metals.
Is the NutrEval worth it if my GP blood tests were normal?
That is usually the point at which people order it. If you have long-running symptoms and normal results, the NutrEval is the broadest single test for finding what a standard panel misses.
How accurate is the NutrEval?
The NutrEval is made by a single specialist laboratory and combines blood and first-morning urine so that each area is measured from the sample that reflects it best: amino acids in plasma, fatty acids in red cells, organic acids in urine, toxic metals in whole blood. More than 125 biomarkers are reported against reference ranges and summarised into functional nutrient needs. Like any lab test, the report is a snapshot of the weeks before collection, which is why a practitioner reads it against your diet, symptoms and history.
Can I get the NutrEval on the NHS?
No. The NHS does not offer functional nutritional testing of this kind; it tests individual nutrients when there is a clinical reason. The NutrEval is a private test ordered through a clinic. The price covers the kit, the lab analysis and your lab report; the phlebotomy appointment and having the report interpreted are separate.
How do I collect the NutrEval samples?
Collect on a Monday, Tuesday or Wednesday morning, so the samples reach the lab by Thursday. We register the kit with the lab for you.
- Four days before: ask us whether to pause any supplements or medication. Never stop prescribed medication without your doctor’s advice.
- The day before: eat as normal, and drink no more than 1.5 litres of fluid in total.
- The night before: fast from the evening (water is fine), and do not use mouthwash.
- When you wake: collect your first urine of the day in the kit’s container. If you get up to pass urine in the six hours before you normally wake, keep that in the fridge and add it to the morning sample. Freeze the urine until the courier collects it.
- The same morning: have your blood drawn and centrifuged by a phlebotomist (we can help you book one near you or at home).
- Do not collect if there is any blood in your urine, including during a period. If you have kidney problems or take diuretics, tell us first, as they can affect the results.
Can someone help me interpret my results, even if I tested elsewhere?
Yes. Book a Lab Findings Review with us and a registered nutritional therapist will take you through every marker against your symptoms and history, whether you tested with us or elsewhere; bring your report to the session. If you then want a personalised plan, that is the Comprehensive Consultation.
Learn more about energy and nutrition
NutrEval Test£695.00


2 reviews for NutrEval Test
Ish verified customer
When I first started working with the awesome Carmen, she advised me to do this Nutreval test so that we can properly understand what is going on. Before this point I had never done a proper functional medicine test like this, I had only done normal blood tests at my GP. Once the results came back, I had a detailed consultation with Carmen where she expertly explained every single result and metric in detail and explained what it meant/how it linked with regards to my severe excema symptoms. Alongside the GI Map Stool test that I did, this Nutreval test was the perfect combination as it gave Me and Carmen the full picture with regards to what is going on not only in my gut/microbiome but also all other areas of my organs/body and all levels of my vitamins, minerals, amino acids, mehlyation etc etc. It was so detailed and it gave me and Carmen a clear gameplan setup how to tackle healing my leaky gut and getting long lasting relief of my bad excema. Roughly 12 months on now from that point and I feel much better and thanks to God my bad excema symptoms have decreased massively and I am well on my way to fully healing my excema hopefully within the next 6 months (Leaky gut is known to take 1-2 years for different people).
Nick S
Despite eating a fairly balanced diet and exercising once (and sometimes twice) a week, I was still feeling sluggish and tired all the time, with mild digestive discomfort. This test revealed nutrient deficiencies, malabsorption and toxicity in my system that were to blame for my symptoms. Since then I’ve been following a personalised diet and lifestyle plan from Nutrition Diets to correct the underlying issues and it’s worked wonders.