They measured the amounts of choline and iodine in each product in the lab and compared it to what was on the label. Shockingly, they found some products contained levels of heavy metals that were ...

TRH - Thyroid releasing hormone (TRH) crosses the placenta while TSH does not ... T4 is the thyroid hormone containing 4 atoms of iodine per molecule. Normal serum level in nonpregnant adult ...