Lead from calcium supplements contributes minimally to blood lead concentrations

Brian Gulson*, Karen Mizon, Jacqueline Palmer, Michael Korsch, Alan Taylor

*Corresponding author for this work

    Research output: Contribution to journalMeeting abstract

    Abstract

    We undertook a study using lead isotopes to determine the contribution of lead to blood from consumption of calcium supplements approximating the recommended daily intakes over a 6 month period. Subjects were subdivided into three groups. One treatment group (n=8) was administered a complex calcium supplement (carbonate/phosphate/citrate) and the other treatment group (n=7), calcium carbonate. The control group (n=6) received no supplementation. The lead isotopic compositions of the supplements were completely different from those of the blood of the subjects. Lead isotopic compositions for the complex supplement showed minimal change during treatment compared with pre-treatment. Lead isotopic compositions in blood for the calcium carbonate supplements showed increases of up to 0.5% in the 206Pb/204Pb ratio, and for all isotope ratios there was a statistically significant difference between baseline and treatment (p<0.005). Blood lead concentrations showed minimal changes.

    Original languageEnglish
    Pages (from-to)597-600
    Number of pages4
    JournalJournal De Physique. IV : JP
    Volume107
    Issue numberI
    DOIs
    Publication statusPublished - May 2003
    EventXIIth International Conference on Heavy Metals in the Environment - Grenoble France
    Duration: 26 May 200330 May 2003

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