Tiredness, Fatigue & Low Energy

A targeted profile designed to investigate common, treatable blood-test causes of fatigue.

Best for

• Persistent tiredness or low energy
• Poor recovery, brain fog, or low mood
• Suspected iron deficiency or anaemia
• Possible thyroid dysfunction
• Vitamin D deficiency concerns

What it checks
This profile checks several of the most common markers clinicians review when investigating fatigue, including blood count (anaemia/infection indicators), iron status (including ferritin and transferrin), vitamin D, inflammation, and thyroid function. It’s a practical starting point for identifying potential underlying contributors.

Biomarkers tested

• Full Blood Count
• Iron
• Ferritin
• Transferrin
• Vitamin D
• C-Reactive Protein (CRP)
• Thyroid Stimulating Hormone (TSH)
• Free T4 (FT4)  

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A detailed analysis of iron levels and storage to assess iron deficiency or excess.

Best for

• Fatigue or low energy
• Suspected anaemia
• Heavy periods or dietary concerns
• Monitoring iron supplementation
• Family history of haemochromatosis

What it checks
This profile evaluates how much iron is circulating in your blood, how well it is being transported, and how much is stored. It can identify iron-deficiency anaemia or excess iron, which may require medical follow-up.

Biomarkers tested

• Serum Iron
• Ferritin
• Transferrin Saturation
• Total Iron-Binding Capacity (TIBC)

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A combined vitamin screen measuring vitamin D, B12, and folate—three common and clinically relevant deficiencies.

Best for

• Fatigue or low energy
• Restricted diets (especially plant-based)
• Neurological symptoms or poor recovery
• General wellbeing checks
• Monitoring supplementation

What it checks
This profile assesses vitamin D, B12, and folate. B12 and folate are essential for healthy blood production and nervous system function, while vitamin D supports bone, muscle, and immune health.

Biomarkers tested

• Vitamin D
• Vitamin B12
• Folate

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A complete hormone panel assessing the key hormones that influence physical, mental, and sexual health in men.

Best for

• Low energy, mood changes, or reduced concentration
• Decreased libido or erectile changes
• Monitoring testosterone or hormone therapy
• Age-related hormonal changes
• Optimising long-term health and wellbeing

What it checks
This profile analyses testosterone and related hormones that regulate muscle mass, bone density, red blood cell production, mood, libido, and fertility. It provides a detailed picture of hormonal balance and supports informed decisions about monitoring or treatment.

Biomarkers tested

• Total Testosterone
• Free Testosterone
• DHEAS
• SHBG
• FSH, LH
• Oestradiol
• Prolactin
• Free Androgen Index 

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A comprehensive testosterone assessment measuring both total and biologically available (free) testosterone.

Best for

• Suspected testosterone imbalance
• Erectile dysfunction or fertility issues
• Monitoring hormone therapy
• Symptoms of low or high testosterone
• More precise hormonal evaluation
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What it checks
This profile measures total testosterone alongside albumin and SHBG, allowing accurate calculation of free (available) testosterone. This provides a clearer picture of how much testosterone your body can actually use and supports more precise diagnosis and treatment decisions.

Biomarkers tested

• Total Testosterone
• SHBG
• Albumin
• Calculated Free Testosterone 

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A single-marker test to measure total testosterone levels.

Best for

• Low energy or libido
• Fertility concerns
• Erectile dysfunction assessment
• Monitoring testosterone therapy
• Suspected hormone imbalance

What it checks
This test measures total testosterone, a hormone essential for sexual function, fertility, muscle mass, bone strength, and mental wellbeing. It is commonly used to investigate symptoms of low or high testosterone and to monitor hormone replacement therapy.

Biomarkers tested

• Total Testosterone

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A detailed hormone and metabolic assessment for individuals engaged in regular training or supplementation.

Best for

• Monitoring training response
• Evaluating hormone balance
• Supplement use
• Low energy or poor exercise response
• Performance optimisation

What it checks
This profile assesses key hormones and organ systems affected by physical activity. It includes thyroid and liver function alongside a broad hormone panel, helping identify deficiencies, imbalances, or physiological stress related to training and supplementation.

Biomarkers tested

• Total Testosterone
• Free Testosterone
• SHBG
• DHEAS
• Free Androgen Index
• LH, FSH
• Oestradiol
• Prolactin
• Thyroid Stimulating Hormone (TSH)
• Free T4
• Liver Function Markers 

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A targeted hormone test to confirm menopause and distinguish it from thyroid-related symptoms.

Best for

• Hot flushes, mood changes, or sleep disturbance
• Irregular or changing periods
• Suspected perimenopause or menopause
• Hormone replacement therapy monitoring
• Ruling out thyroid-related causes of symptoms

What it checks
This profile measures key reproductive hormones to confirm menopausal status and includes thyroid testing to exclude thyroid conditions that can mimic menopause symptoms. It provides objective clarity to guide treatment decisions.

Biomarkers tested

• Oestradiol
• Luteinising Hormone (LH)
• Follicle Stimulating Hormone (FSH)
• Testosterone
• Thyroid Stimulating Hormone (TSH)

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A targeted hormone test to assess ovulation, fertility, and menstrual cycle health.

Best for

• Fertility assessment
• Confirming ovulation
• Irregular menstrual cycles
• Monitoring early pregnancy
• Suspected polycystic ovary syndrome (PCOS)

What it checks
Progesterone rises after ovulation and remains elevated in the second half of the menstrual cycle. Measuring progesterone at the correct time in your cycle helps confirm whether ovulation has occurred and provides insight into fertility and hormonal balance. It may also be used in pregnancy monitoring and assessment of hormonal disorders.

Biomarkers tested

• Progesterone 

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A targeted hormone test to assess fertility, menstrual irregularities, menopause, and reproductive hormone balance.

Best for

• Fertility concerns
• Irregular or absent periods
• Menopause or perimenopause symptoms
• Monitoring hormone replacement therapy
• Investigating hormonal imbalance

What it checks
This profile measures key reproductive hormones that regulate ovulation, menstrual cycles, and fertility. It can identify hormonal imbalances affecting reproductive health and is useful for diagnosis, treatment planning, and medication monitoring.

Biomarkers tested

• Oestrogen
• Luteinising Hormone (LH)
• Follicle Stimulating Hormone (FSH)
• Testosterone
• Prolactin 

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A comprehensive thyroid assessment including hormone levels and autoimmune markers.

Best for

• Fatigue, weight changes, or low mood
• Hair, skin, or menstrual changes
• Suspected thyroid dysfunction
• Family history of thyroid disease
• Autoimmune screening

What it checks
This profile evaluates thyroid regulation, hormone production, and peripheral conversion, as well as antibodies associated with autoimmune thyroid conditions. It can identify both underactive and overactive thyroid disorders, which are often difficult to diagnose by symptoms alone.

Biomarkers tested

• Thyroid Stimulating Hormone (TSH)
• Free T4
• Free T3
• Thyroglobulin Antibodies
• Thyroid Peroxidase Antibodies

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A focused thyroid screen measuring TSH and Free T4 to assess underactive or overactive thyroid function.

Best for

• Fatigue, low mood, brain fog, or weight change
• Hair thinning, dry skin, or temperature sensitivity
• Menstrual or fertility concerns
• Monitoring known thyroid conditions or thyroid medication
• People at higher risk (e.g., autoimmune conditions)

What it checks
This test provides a strong first-line assessment of thyroid function by measuring TSH (the pituitary signal to the thyroid) and Free T4 (the main thyroid hormone output). It helps identify patterns consistent with hypothyroidism or hyperthyroidism, both of which can cause broad, non-specific symptoms and are difficult to confirm without blood testing.

Biomarkers tested

Thyroid Stimulating Hormone  

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A blood test assessing prostate-specific antigen (PSA) levels to support prostate health monitoring.

Best for

• Men over 50
• Family history of prostate disease
• Monitoring known prostate conditions
• Urinary or pelvic symptoms
• Routine prostate health checks

What it checks
This test measures total PSA and free PSA and evaluates the ratio between them. PSA is produced by the prostate and may be elevated in conditions such as benign enlargement, inflammation, or prostate cancer. While PSA testing does not provide a diagnosis on its own, it helps assess risk and determine whether further investigation is required.

Biomarkers tested

• Total PSA
• Free PSA
• Free-to-Total PSA Ratio  

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