What The Study Did: Nationally representative survey data were used to examine changes over nearly two decades in daily use of high-dose biotin supplements, which are marketed as stimulating growth of hair and nails.
Authors: Danni Li, Ph.D., of the University of Minnesota in Minneapolis, is the corresponding author.
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(doi:10.1001/jama.2020.8144)
Editor's Note: The article includes conflict of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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Journal
JAMA