Let's begin by dividing stem cell therapies into two groups: those that have received FDA approval and those that have not. The science, efficacy, and safety of a stem cell therapy are significantly impacted by whether or not it is approved.

There are now just select handful FDA-approved stem cell therapies accessible. The method of using blood stem cells to treat patients with blood malignancies like leukaemia is the most common example of such treatment. Chemotherapy is used in this technique to kill cancer cells, which are subsequently replaced by healthy stem cells in the hopes that they would proliferate and generate new, healthy tissue. The blood stem cell transplant procedure underwent extensive testing and research over a long period of time, much like all FDA-approved medical procedures. (In addition to blood stem cell transplants), the FDA lists a limited number of additional approved products on its website.)