Post-X is a dietary supplement manufactured by Standard Process. The company claims that their supplement is mostly of use in glandular therapy and can help maintain the health of bones, muscles and nerve tissues. The supplement contains Cytosol extracted from bovines and other more common ingredients such as calcium. These ingredients are known for their beneficial effects on the entire body. Dr. Royal Lee has extensively researched Cytosol and PMG extracts and has defined them as almost vital to a proper body functioning.