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T-4 FREE
Product Details
Symptoms: Fatigue, brain fog, depression, weight gain, muscle cramps, hair loss, sleep disorders and dry skin.
Why This Test?
Free thyroxine (free T4) tests are used to help evaluate thyroid function and diagnose thyroid diseases, including hyperthyroidism and hypothyroidism. We suggest using this in combination with thyroid stimulating hormone (TSH).
Test Prep: None Indicated
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