Free T4 affects tissue function in the body, while bound T4 does not. This test is often used in congunction with TSH testing to measure the extent of hyper- or hypothyroidism.
Vitamin D deficiency can lead to a variety of problems including hypertension, joint pain, muscle weakness and even heart disease and stroke. This test measures both the biologically active (D3) and supplemented (D2) forms.
IGF-1 (Somatomedin C) is a reliable indicator of human growth hormone (HGH) level. A decrease in growth hormone is thought to be the primary factor in the aging process and can make a huge difference in your health.
For people requiring routine thyroid screening plus an assessment of iodine status and total thyroxine production by the thyroid gland
Thyroid testing plus Elements testing. Allows your practitioner to see if you have too little or too much iodine and other nutrients essential for thyroid health. Also tests for overexposure to mercury, bromine, lithium, arsenic and cadmium- any of which can affect the thyroid.