Gluten FreeNon-GMO LE Certified Supports Memory and Hormonal Balance Dietary Supplement Pregnenolone is a neurohormone that is ideal for anyone looking to support youthful hormone levels and maintain mental focus, memory health and more. Life Extension Pregnenolone Pregnenolone is biochemically a prohormone. It is made directly from cholesterol within the mitochondria of the adrenal.