US Adult Dietary Supplement Trends: 1999-2023

JAMA Network

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.

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