Others Others Life Extension Pregnenolone 100 mg 100 Capsules It is made directly from cholesterol within the mitochondria of the adrenal glands and, to a lesser extent, from the nervous system, with the help of the cholesterol side chain cleavage enzyme, p450scc. Supports memory and hormonal balance. Pregnenolone is biochemically a prohormone. Pregnenolone is a precursor of several hormones, such as progesterone, mineralocorticoids, glucocorticoids, androgens and estrogens. Therefore, it can help the body maintain normal hormonal levels, which in turn helps numerous bodily functions. Use Take one (1) capsule daily, preferably early in the day, or as recommended by a healthcare professional.