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Dolomite
Dolomite
Moderate concern
Some dolomite supplements have been documented to contain lead and other heavy metals, prompting FDA warnings about contamination in bone-meal/dolomite calcium supplements.
Found in
2 products
What it is
A naturally occurring carbonate mineral consisting of calcium magnesium carbonate (CaMg(CO3)2).
Used as a calcium/magnesium source in some dietary supplements and as a mineral additive.
Why it's flagged
- potential lead and heavy-metal contamination in unrefined sources
What regulators actually say
"Calcium supplements derived from dolomite and bone meal have been reported to contain measurable amounts of lead."
Regulatory status
United States — FDA
Permitted as a dietary supplement ingredient but FDA has warned of heavy-metal contamination in dolomite/bone-meal calcium products
European Union — EFSA
Regulated; mineral source authorizations vary
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