observational
    2026

    Serum Magnesium Concentrations in the United States-An Updated Population Reference Interval in Children and Adults

    Jiao K, et al.

    Published in The Journal of Nutrition

    Methodology

    Cross-sectional analysis of nationally representative NHANES serum magnesium measurements in US children and adults, deriving updated population reference intervals by age and sex.

    Key Findings

    Updated NHANES-based reference intervals show serum magnesium clusters in a narrow range, with a substantial share of US children and adults falling below concentrations associated with adverse health outcomes, indicating widespread chronic latent magnesium deficiency.

    Conclusions

    A substantial portion of the US population is at risk of chronic latent magnesium deficiency.

    Limitations

    Cross-sectional survey data with single serum measurements, and serum magnesium poorly reflects total body or intracellular magnesium status; no clinical outcomes assessed.

    Supplements Studied

    Magnesium
    Mineral

    A substantial portion of the US population is at risk of CLMD [chronic latent magnesium deficiency].

    Related Health Concerns

    Study Details

    Year:2026
    Sample Size:6,261
    Quality Score:6/10

    This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.