Lithothamnion Calcareum Powder
Lithothamnion calcareum is authorized in the EU as a source of calcium for food supplements and was given a positive scientific opinion by EFSA. Provides bioavailable calcium and trace minerals; no significant adverse effects at recommended use levels.
What it is
Calcified powder from the red algae Lithothamnion calcareum, used as a natural mineral source (calcium and magnesium).
Mineral fortificant (calcium, magnesium); pH adjuster.
What regulators actually say
"The Panel concludes that the source, calcium-rich red algae from Lithothamnion calcareum, is not of safety concern when used as a source of calcium..."
"GRAS Notice 838 — Calcified red algae (Lithothamnion sp.) as a source of calcium."
Regulatory status
United States — FDA
Notified as GRAS (e.g., GRN 838) for mineral fortification.
European Union — EFSA
EFSA 2017 opinion: safe as a source of calcium for food supplements.
Scan it before you buy it
Get Ube on iOS or Android — point at any barcode, see what's actually in there.
Get the app