Blood test at home | Medical Laboratory | T3 (triiodothyronine)

It exists under 2 forms – the free (active) form and the one bound to a protein, representing a reserve.

A hormone produced by the thyroid gland. The amount is controlled by the TSH (the thyroid-stimulating hormone) and by the amount of iodine. A role in sugar and fat metabolism and in bone and nervous system development.

No fasting needed prior to blood sampling.

• Hypothyroidism (slowing down of the thyroid gland)
• Certain drugs

• Hyperthyroidism (the accelerated functioning of the thyroid gland)

A test to be preferably carried out in the morning. Stress and drug intake prior to sampling should be avoided. The test measures the free and total level of T3.