Dietary supplements are estimated to be responsible for tens of thousands of emergency department visits each year in the US.1 To identify potentially dangerous supplements and manage their risks, clinicians and consumers require access to accurate information about supplement ingredients. In an effort to provide a resource for researchers, clinicians, and the public, the National Institutes of Health (NIH) maintains an online searchable database of supplement labels.2 To our knowledge, whether supplements categorized as containing novel ingredients in the NIH database are accurately labeled has not been previously studied. In October 2019, the US Food and Drug Administration (FDA) placed 5-alpha-hydroxy-laxogenin, a synthetic analog of a plant steroid that is marketed as a natural alternative to anabolic steroids,3 on the Dietary Supplement Ingredient Advisory List to alert the public that it does not appear to be a lawful supplement ingredient.4 We analyzed the actual contents of supplements categorized as containing 5-alpha-hydroxy-laxogenin in the NIH database to determine whether they are accurately labeled.