Australian Approved Name (AAN): Calcified lithothamnion species
Common names and synonyms: Skeletal deposits of Lithothamnion tophiforme sourced from Arnarfjordur in Iceland; Natural Calcium; Calcified Lithothamnion tophiforme
Superseded AAN: Calcified Lithothamnion tophiforme
Conversions (% Calcium): Not Less than 32% (% Magnesium): Not Less than 2.2%
Warnings and restrictions: Only for use in oral medicines
Allowable purpose of the ingredient: Active
TGA reference: Compositional Guidelines