Thyroid Function: The Hormones That Regulate Your Metabolism
The thyroid gland produces hormones that regulate metabolism, energy production and body temperature.
Testing thyroid markers — typically TSH, Free T3 and Free T4 — provides insight into whether the thyroid is functioning normally.
Thyroid disorders are relatively common and may present with subtle symptoms that are often mistaken for lifestyle-related fatigue.
Why Thyroid Hormones Matter
Thyroid hormones regulate:
- Metabolic rate
- Energy levels
- Heart rate
- Body temperature
- Weight regulation
Symptoms of Thyroid Imbalance
Hypothyroidism symptoms may include:
- Fatigue
- Weight gain
- Feeling cold
- Hair thinning
- Depression
Hyperthyroidism symptoms may include:
- Anxiety
- Rapid heart rate
- Weight loss
- Heat intolerance
Who Should Consider Thyroid Testing?
- Individuals experiencing unexplained fatigue
- People with family history of thyroid disease
- Women planning pregnancy
- Those experiencing unexplained weight change