Test ID: B-220M | Sample Type: Dried Blood Spot | Specialist Doctor Report Included
Could Your Thyroid Be Affecting Your Energy, Weight, or Performance?
Thyroid dysfunction in men is widely underdiagnosed — not because it is rare, but because symptoms are often attributed to overwork, low testosterone, or simply ageing. The thyroid regulates your metabolism, body composition, cardiovascular health, and sexual function. If you recognise any of the following, a comprehensive thyroid test could reveal what is actually going on:
- Persistent fatigue or low energy that rest does not resolve
- Unexplained weight gain, difficulty losing body fat, or slowed metabolism
- Reduced exercise tolerance or muscle weakness
- Brain fog, poor focus, or slowed thinking
- Low mood, depression, or reduced motivation
- Hair thinning or loss, including body hair
- Feeling cold all the time, or conversely, intolerance to heat
- Constipation or digestive sluggishness
- Reduced libido or sexual performance issues
- Elevated cholesterol or high blood pressure
- Muscle aches, joint pain, or water retention
- Already on thyroid medication and wanting to monitor treatment
Why a Full Thyroid Panel Matters for Men
A standard GP thyroid test typically only measures TSH — which can miss significant thyroid dysfunction. In men, thyroid imbalance can closely mimic symptoms of low testosterone, making it frequently overlooked or misattributed. This comprehensive panel measures six thyroid markers, giving a complete picture of thyroid hormone production, conversion, autoimmune activity, and iodine-related health:
- TSH (Thyroid Stimulating Hormone) — The primary screening marker; high TSH suggests hypothyroidism, low TSH suggests hyperthyroidism
- Free T4 (fT4) — The main hormone produced by the thyroid; assesses production capacity
- Free T3 (fT3) — The active thyroid hormone that drives energy, metabolism, and cellular function; some men have normal T4 but poor T4-to-T3 conversion, causing persistent symptoms despite “normal” results
- Total T4 (TT4) — Measures both bound and free thyroxine; provides a broader view of thyroid output
- TPO Antibodies (TPOab) — Elevated levels indicate autoimmune thyroid disease such as Hashimoto’s thyroiditis, which also affects men
- Thyroglobulin (Tgbn) — Linked to iodine storage and thyroid hormone production; elevated levels may suggest iodine deficiency or thyroid dysfunction.
What Conditions Can This Test Help Identify?
- Hypothyroidism — underactive thyroid; commonly confused with low testosterone or burnout in men
- Hyperthyroidism — overactive thyroid, including Graves’ disease
- Hashimoto’s thyroiditis — autoimmune thyroid disease; often missed without TPO antibody testing
- Subclinical thyroid dysfunction — abnormal TSH with normal T4/T3; can cause significant symptoms while going undetected on standard tests
- T4-to-T3 conversion issues — normal T4 but insufficient active T3; a common cause of persistent fatigue and low performance in men
- Iodine-related thyroid dysfunction — assessed via thyroglobulin
How It Works
- Order your kit — delivered to your door
- Collect your sample at home — a simple finger-prick blood spot; no clinic or GP visit needed
- Post your sample to our CLIA-certified laboratory using the instructions provided
- Receive your results by email within 3–5 working days of the lab receiving your sample
What You Get With Your Results
- All six thyroid markers displayed clearly in graphics and numbers
- A written interpretation by a Hormone Specialist PhD Doctor
- Guidance on what your results mean and what to do next
Key Information
- Collect your sample from home and post to our lab — no clinic visit required
- Results delivered by email within 3–5 working days
- Laboratory fee included — no hidden costs or additional charges
- Valid for 12 months from the date of purchase
- Analysed by a CLIA-certified laboratory with over 11 million tests performed
- Customers are responsible for posting their sample to the laboratory