Hormone Testing; Serum, Saliva, or Urine?
Blood Testing (Serum) This is the most frequently used hormone testing in the Medical arena and has been the standard method for many years. It is reasonably accurate for testing the ‘peptide hormones’ of the body: FSH, LH, Prolactin, and Fasting Insulin. The only steroid hormone which is deliberately measured as the FREE component only, is Free Testosterone. So, if you are after testosterone levels only, blood testing would be fine. For our steroid hormones, it is another story altogether, as the blood level of these hormones can not differentiate between bound and free/usable hormones. To give …

