Adult Stem Cell Prolotherapy Is it safe? June 8, 2012 Yes. Since it is your own fat there is no allergic or adverse reaction that can happen from the fat stem cells . DreamBody Centers You Might Also Like How will the patient feel after the treatment? Where are these stem cells coming from? Will the procedure leave scars? Leave a Reply Cancel Reply Name * Email * Website Previous Post Will I be put to sleep? Next Post Is it painful?