Thyroid Hormone Panel (TSH, free T3, free T4)

Testing Your Thyroid Hormones   Hypothyroidism and Low T3:   Weight Gain Enlarged thyroid (goiter) Fatigue Hair Loss all over the scalp and lateral eyebrows Constipation Irregular menstrual periods in women Intolerance to cold Dry skin swollen or puffy calves Hyperthyroidism and High freeT3: Weight loss Increased heart rate Anxiety Sweating Trouble sleeping Tremors in the hands Weakness Diarrhea Light sensitivity, visual disturbances Puffiness around the eyes, dryness, irritation Bulging eyes   The human body produces five different thyroid hormones You need all of them, but T3 is the most active Thyroid Hormone. It does 90% of all the work. However, most physicians are prescribing only Levothyroxine (Levoxyl or Synthroid), a synthetic copy of only one thyroid hormone, Thyroxine, also called T4.  Patient with Hypothyroidism (Low Thyroid Hormone levels) who have taken both types prefer natural, full-spectrum thyroid extract to T4-only preparations according to The Journal of Clinica