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By Mayo Clinic staffIt's unclear whether chelation therapy can prevent or treat heart disease. A large clinical trial, sponsored by the National Institutes of Health, has started to determine if chelation therapy is an effective treatment for heart disease. Earlier, smaller chelation studies have found that chelation didn't work as a heart disease treatment.
Because of the lack of scientific evidence to support chelation therapy as treatment for heart disease, the Food and Drug Administration hasn't approved chelation therapy. Also, the American Heart Association doesn't recommended chelation therapy as a treatment for heart disease.
