thyroid hormone T4

T4 is one of the main hormones secreted by the thyroid gland and plays an important role in many biological processes, including metabolism, heart rate, growth, and development. Free T4 testing is useful in assessing thyroid function and is primarily used to diagnose hyperthyroidism.

Increase: hyperthyroidism – thyroiditis – autoimmune diseases

Weight loss
Feeling too hot
Irregular heartbeat
Menstrual irregularities
Excessive sweating
Hair loss

By drawing a blood sample

T4 analysis does not require fasting.