Stem cells can originate from Grownups as mesenchymal stem cells that originate from bone marrow or adipose tissues or as perinatal stem cells that come from the umbilical twine. I might throughly suggest Dr Gonzalez https://stemcellclinicsofmexico.com/stem-cell-therapy/stem-cell-therapy-in-mexico-with-stem-cell-clinics-of-mexico/