Calcium Ascorbate
Calcium Ascorbate is a unrated form of Calcium, used in 419 on-market products and providing 9.4% elemental calcium by weight.
419
on-market products
unrated
quality tier
9.4%
elemental fraction
Basis: Ca(C6H7O6)2 x 2H2O, dihydrate (standard commercial form)
Why this tier: Used primarily as a buffered vitamin C source; no calcium-specific bioavailability study was found.
Source: none located (no calcium-specific bioavailability study found)