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A thyroid profile is a set of blood tests that gives a snapshot of how your thyroid is working. The thyroid is a small gland in the front of your neck, and it helps regulate metabolism—how your body uses energy—along with things like temperature and heart rate. A thyroid profile doesn’t look at the gland directly. Instead, it measures hormones and related signals in your blood. Many panels include TSH, which comes from the brain and tells the thyroid how hard to work, and thyroid hormones like T4 and T3, which help control the body’s pace. Doctors may order a thyroid profile when they want to check thyroid function or monitor changes over time. The exact tests included can vary by lab and situation, so your results are best discussed with your clinician.