David Zava, PhD - Testing Steroid and Peptide Hormones (2017 Conference) (LDN, low dose naltrexone)
Plasma, urine, saliva, capillary blood are used for testing hormones. Steroid hormones are released from binding proteins, passively diffuse into tissues, and accumulate in the saliva. Pros of Dried Capillary Blood/ Dried Blood Spot (DBS) vs cons of the Venipuncture Serum collection system.