You may have heard that the U.S. Department of Health and Human Services is re-evaluating approaches like nutraceuticals and chelation therapy as potential, affordable treatments for chronic conditions affecting millions of Americans. But what is chelation therapy—and why all the debate?Chelation involves removing heavy metals and toxins from the body, which may be especially relevant for individuals under high stress who’ve been exposed to environmental toxins. It’s also at the center of growing political and medical conversations. Robert F. Kennedy Jr., for example, has been a vocal advocate, criticizing the FDA for delaying access and calling for wider availability of chelation-based treatments.