PD 80/20™ is a dietary supplement formulated to help maximize internal health and support the endocrine system.* It contains pregnenolone and DHEA, two substances produced naturally by the body that decline with age. Pregnenolone is the key precursor for the body's production of estrogen, DHEA, and progesterone, and it also has an impact on mental acuity and memory.* DHEA is involved in maintaining the health of the cardiovascular and immune systems.*