Regenerative cellular therapies represent the next generation of groundbreaking treatments that are showing great promise in cardiology, neurology, oncology, orthopedics, ophthalmology, and other areas. Several well-designed clinical trials are being conducted under FDA investigational new drug (IND) protocols. At the same time, a handful of clinics have caused patient harm or made questionable claims, taking advantage of vulnerable patients and casting a negative light on this emerging science and industry.