There have been plenty of studies done on umbilical and placental sources for stem cells. Most of these cells are either dead or non-viable. Regenexx and two other universities here in the states have tested these products, and exposed the companies marketing them.
There have been plenty of studies done on umbilical and placental sources for stem cells. Most of these cells are either dead or non-viable. Regenexx and two other universities here in the states have tested these products, and exposed the companies marketing them.