About The Study: In this repeated cross-sectional analysis of NHANES 1999 to 2023, supplement use among U.S. adults increased over time, with diversification beyond multivitamin-multiminerals toward products marketed for immune, anti-inflammatory, gut, skin, or joint health. A substantial increase was observed in older adults. Ongoing monitoring of supplement use trends is needed to understand evolving public health implications.
Corresponding Author: To contact the corresponding author, Chun Sing Lam, PhD, email lamc3@mskcc.org.
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(doi:10.1001/jamanetworkopen.2026.19291)
Editor’s Note: 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 Network Open