Back to Knowledge Centre
Endocrinology & Metabolism

Thyroid Panel (TSH & FT4)

Evaluation of thyroid-stimulating hormone and free thyroxine.

Clinical Relevance

The thyroid gland controls basal metabolic rate, body temperature, cardiovascular activity, and energy levels. Measuring TSH alongside FT4 helps differentiate early primary hypothyroidism from transient changes.

Why It Varies

Impacted by autoimmune reactions, severe caloric restriction, stress, selenium/iodine mineral deficiencies, and system recovery cycles.

Longevity & Lifestyle Pointers

  • Ensure sufficient intake of trace minerals, particularly Selenium and Zinc.
  • Avoid extreme or prolonged low-calorie dieting, which can suppress active hormone conversion.
  • Implement stress-reduction techniques to manage high cortisol, which blocks thyroid pathways.

Clinical Governance & Disclaimer

If TSH is elevated and FT4 is low, this indicates underactive thyroid performance. All biomarker results are signposted to qualified practitioners for medical evaluation when abnormal.

* Aven Health supports biological optimization and longitudinal monitoring. We do not provide acute clinical interventions, diagnostics, or treatments. If blood panels identify medical concerns, you are signposted directly to primary care GP paths.

Assess This Biomarker

Check your baseline values at home

This marker is included in our signature assessment. Book a certified nurse visit to establish your baseline.

Included In:Aven Performance™£349
Book Assessment
Assessment Flow
  • 1.15-min clinician draw at home
  • 2.Accredited laboratory dispatch
  • 3.Results in your Hub within 24-48h

Take control of your health pathway today.

Secure a premium, clinician-led biomarker assessment in the comfort of your home or office. Preventative healthcare designed around your life.

GDPR & HIPAA Secure

End-to-end data encryption ensures absolute patient privacy.

24-48 Hour Results

Rapid lab turnaround and detailed physician dashboard reports.

Concierge Service

Qualified clinicians visiting your preferred home or office space.

Book Assessment