Which type of test is more accurate for adrenals and thyroid functions? For cortisol, saliva seems more accurate but what about DHEA, estrogene, pregnenolone,progesterone, free testosterone, SHBG, DHT, Free T3, Free T4?? There are some labs, where you can order home test kits and send it to the doctor. Has anyone tried it? was results accurate? Were you satisfied with the overall service? what lab and doctor did you use?