Life-Flo's Pregnenolone cream represents the purest formulation ever in a topically-applied Pregnenolone cream. Many people are finding this "mother of all hormones" to be the a vital part of their anti-aging program. Pregnenolone is produced naturally in the body and is the base material the body uses for the natural production of many hormones. This includes the production of: DHEA, progesterone, testosterone and estrogen. In other words, Pregnenolone is at the beginning of the chain (a precursor) from which flow many hormones needed to perform vital functions in the human body.