A great site for looking up the lab tests your doctor is ordering. Just type in the test, and it gives you what the test is and what your doctor might be looking for. Awesome!
Vitamin A is required for T4-to-T3 conversion. If you find that lights are too bright or night driving is a problem, try taking Vitamin A supplements along with more protein. Zinc, selenium, and magnesium are also involved in T4-to-T3 conversion.
Health Benefits of Using Vitamin B12
Surprising Magnesium Facts and the latest magnesium research here
Cortisol: The Test | Cortisol Test: Urinary Cortisol; Salivary Cortisol; Free Cortisol | Lab Tests Online
The causes of Vitamin B12 Malabsorption might surprise you. If you've been told that you don't have intrinsic factor or that you have pernicious anemia, your doctor might be WRONG. Find out what might
New Vitamin B12 Test - Who should get tested for vitamin B12 (cobalamin) deficiency and which is the best test to use: serum B12, methylmalonic acid (MMA), or holotranscobalamin levels? - By Dr. Michael Greger