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Biomarkers We Test
These are just some of the biomarkers we assess. If you're interetsed in a specific marker, please ask and we'll confirm availability.
Active B12
What it measures: The biologically available form of vitamin B12 used for energy production, nerve health and red blood cell formation.
What it means: Low levels can cause fatigue, low mood, memory issues, neuropathy and anaemia even if total B12 appears normal.
Alanine Aminotransferase (ALT)
What it measures: A liver enzyme released when liver cells are stressed or damaged.
What it means: Elevated ALT suggests liver inflammation, fatty liver changes, alcohol burden, or medication effects.
Albumin
What it measures: The main blood protein responsible for transport, fluid balance and tissue repair.
What it means: Low albumin may indicate inflammation, poor nutrition, liver issues or chronic disease; high levels may relate to dehydration.
Alkaline Phosphatase (ALP)
What it measures: An enzyme found in the liver, bones and bile ducts.
What it means: High ALP may indicate bile flow issues, liver stress or increased bone turnover; low levels may suggest nutrient deficiencies (zinc, magnesium).
Apolipoprotein B (ApoB)
What it measures: The number of plaque-forming cholesterol particles in your blood.
What it means: ApoB is the most accurate indicator of heart disease risk. Higher levels mean more particles that can enter artery walls and create plaque.
Chloride
What it measures: An electrolyte involved in hydration, pH balance and nerve function.
What it means: Abnormal levels usually reflect hydration issues, kidney imbalance or acid–base disturbances.
Corrected Calcium
What it measures: The physiologically active calcium level adjusted for albumin.
What it means: High levels may indicate overactive parathyroid, excess vitamin D or bone turnover; low levels may reflect low vitamin D, magnesium deficiency or malabsorption.
Cortisol (9am)
What it measures: Morning stress hormone levels when cortisol should naturally peak.
What it means: High levels may reflect stress, poor sleep or adrenal activation; low levels may indicate burnout, adrenal suppression or fatigue syndromes.
Creatine Kinase (CK)
What it measures: An enzyme released from muscle during strain or breakdown.
What it means: High CK may indicate intense exercise, muscle injury or inflammation; low CK is usually not clinically significant.
Creatinine
What it measures: A waste product filtered by the kidneys.
What it means: High levels may indicate reduced kidney function or dehydration; low levels often reflect low muscle mass.
eGFR
What it measures: Estimated glomerular filtration rate — how effectively the kidneys filter blood.
What it means: Lower values suggest declining kidney function; higher values indicate healthy filtration.
Ferritin
What it measures: The body’s long-term iron storage.
What it means: Low ferritin causes fatigue, hair loss and low immunity; high ferritin indicates inflammation, oxidative stress or iron overload.
Folate (Serum)
What it measures: A B-vitamin essential for cell repair, fertility and red blood cell production.
What it means: Low folate contributes to fatigue, anaemia, low mood and poor methylation.
Follicle Stimulating Hormone
What it measures: A hormone that stimulates ovarian function (women) and sperm production (men).
What it means: High levels in women suggest reduced ovarian reserve, perimenopause or menopause; in men, high levels may indicate testicular dysfunction.
Free Androgen Index (FAI)
What it measures: The ratio of total testosterone to SHBG, estimating free (active) testosterone.
What it means: High levels may suggest androgen excess (PCOS in women); low levels reflect low active testosterone availability.
Free Testosterone (Calculated)
What it measures: The unbound testosterone available for biological activity.
What it means: Low levels cause fatigue, low libido, poor recovery and reduced muscle mass; high levels may reflect PCOS or supplementation.
Gamma GT (GGT)
What it measures: A liver enzyme highly sensitive to alcohol intake and toxin load.
What it means: High GGT suggests alcohol stress, fatty liver, bile flow issues or oxidative stress.
Globulin
What it measures: A group of proteins involved in immunity and inflammation.
What it means: High globulin may reflect chronic inflammation or immune activation; low levels may indicate poor protein absorption.
Haemoglobin
What it measures: The oxygen-carrying protein in red blood cells.
What it means: Low haemoglobin indicates anaemia; high haemoglobin may reflect dehydration, smoking, or altitude adaptation.
HbA1c
What it measures: Average blood glucose over the past 3 months.
What it means: High HbA1c signals poor glucose control, increased diabetes risk and accelerated ageing through glycation.
HDL (High-Density Lipoprotein)
What it measures: “Good” cholesterol involved in removing cholesterol from arteries.
What it means: High HDL is protective; low HDL increases cardiovascular risk.
increased diabetes risk and accelerated ageing through glycation.
HDL Ratio
What it measures: Total cholesterol divided by HDL — a marker of cholesterol balance.
What it means: A higher ratio indicates increased cardiovascular risk.
hs-CRP
What it measures: Low-grade inflammation.
What it means: Elevated hs-CRP reflects inflammation driving fatigue, ageing, metabolic imbalance and cardiovascular risk.
LDL
What it measures: “Bad” cholesterol particles.
What it means: High LDL increases plaque formation risk, especially when ApoB is also elevated.
Luteinising Hormone (LH)
What it measures: A hormone controlling ovulation (women) and testosterone production (men).
What it means: High levels in women suggest perimenopause, menopause or PCOS; in men, high levels may reflect reduced testicular function.
Magnesium (Serum)
What it measures: Blood levels of magnesium, essential for muscle, nerve and heart function.
What it means: Low levels may cause cramps, fatigue, headaches and low mood; serum levels often underestimate deficiency.
Non-HDL Cholesterol
What it measures: All atherogenic (plaque-forming) cholesterol particles including LDL and VLDL.
What it means: More accurate than LDL alone for assessing cardiovascular risk.
Oestradiol (Estrogen)
What it measures: The main female estrogen.
What it means: Low levels cause hot flushes, low mood, sleep issues; high levels may reflect cycle imbalances or perimenopause fluctuations.
Omega 6 : Omega 3 Ratio
What it measures: The balance between inflammatory (omega-6) and anti-inflammatory (omega-3) fatty acids.
What it means: A high ratio reflects inflammation, poor recovery and cardiovascular risk.
Progesterone
What it measures: A hormone essential for cycle regulation and early pregnancy.
What it means: Low levels cause anxiety, insomnia, heavy cycles and fertility issues.
Prolactin
What it measures: A hormone involved in lactation and reproductive hormone balance.
What it means: High prolactin suppresses ovulation, fertility and libido; low levels are usually not concerning.
Red Blood Cell Count (RBC)
What it measures: Number of red blood cells in circulation.
What it means: Low RBC reflects anaemia or nutrient deficiencies; high RBC may indicate smoking, dehydration or sleep apnoea.
Sex Hormone-Binding Globulin
What it measures: A protein that binds testosterone and estrogen.
What it means: High SHBG reduces availability of sex hormones; low SHBG is linked with insulin resistance and PCOS.
Sodium
What it measures: A key electrolyte involved in hydration, nerve firing and fluid balance.
What it means: Abnormal levels reflect hydration issues, adrenal imbalance or kidney dysfunction.
Testosterone (Total)
What it measures: Overall testosterone level in blood.
What it means: Low levels cause low energy, reduced libido and reduced muscle mass; high levels may reflect hormonal imbalance.
Thyroglobulin Antibodies
What they measure: Autoantibodies targeting thyroglobulin in the thyroid.
What it means: Positive antibodies suggest autoimmune thyroid disease (Hashimoto’s or Graves), often before TSH changes.
Thyroid Peroxidase Antibodies
What they measure: Autoantibodies attacking thyroid peroxidase, an enzyme critical for thyroid hormone production.
What it means: High TPO strongly indicates autoimmune thyroid disease and predicts future thyroid decline.
Thyroid Stimulating Hormone
What it measures: Brain signalling that regulates thyroid output.
What it means: High TSH suggests hypothyroidism; low TSH indicates possible hyperthyroidism or overmedication.
Thyroxine (Free T4)
What it measures: The circulating thyroid hormone.
What it means: Low T4 suggests underactive thyroid; high levels may reflect overactivity or medication excess.
Total Cholesterol
What it measures: Combined HDL, LDL and VLDL cholesterol.
What it means: On its own, total cholesterol is not a reliable measure of risk — must be interpreted with ApoB or LDL.
Total Protein
What it measures: Combined levels of albumin and globulin.
What it means: Abnormal levels reflect hydration, inflammation, liver function or nutrient absorption.
Triglycerides
What it measures: Blood fats used for energy storage.
What it means: High triglycerides reflect poor metabolic health, insulin resistance or high sugar intake.
Triiodothyronine (Free T3)
What it measures: The active thyroid hormone used by cells.
What it means: Low T3 causes fatigue, cold intolerance, slow metabolism; high T3 may indicate overactive thyroid.
Urea
What it measures: A waste product processed by the kidneys.
What it means: High levels reflect dehydration, high protein intake or reduced kidney function; low levels may suggest liver issues.
Uric Acid
What it measures: A breakdown product of purines.
What it means: High levels are linked with gout, metabolic dysfunction and cardiovascular risk.
Vitamin A
What it measures: Levels of retinol, essential for immunity, skin and vision.
What it means: Low levels impair immunity and skin repair; high levels may be toxic.
Vitamin D (25-OH)
What it measures: The body’s vitamin D stores.
What it means: Low levels impair immunity, bone strength, mood, hormones and muscle function.
Vitamin E
What it measures: Antioxidant vitamin that protects cell membranes.
What it means: Low levels increase oxidative stress; high levels may reflect excessive supplementation.
White Blood Cell Count (WBC)
What it measures: Immune cell levels.
What it means: High WBC suggests infection or inflammation; low WBC may indicate weakened immunity or nutrient deficiencies.
Apolipoprotein A
What it measures: The main protein in HDL ("good" cholesterol).
What it means: Higher levels are protective, low levels may raise heart-disease risk.
Lipoprotein A
What it measures: A genetic, plaque-forming cholesterol particle.
What it means: High levels increase long-term heart-disease and stroke risk, even if other cholesterol markers are normal.