Pinna-Cal Calcium Complex with Calcium Hydroxyapatite, Magnesium

What the brand says

Sold as “Pinna-Cal Calcium Complex with Calcium Hydroxyapatite, Magnesium, Betaine HCI (120 Tablets)”

PINNA-CAL is formulated with 1000 mg of elemental calcium supplied from microcrystalline hydroxyapatite complex. A special low temperature lyophilization process is used which preserves the extracts integrity.