The Wonders of Pregnenolone Pregnenolone, the so-called “mother of all hormones”, is aptly named as such as it is the first hormone synthesized from cholesterol, and the precursor for all other steroid hormones, including DHEA, Progesterone, Testosterone, Estrogen, and Cortisone. Pregnenolone is synthesized from cholesterol, where it then acts itself or is converted to these…