> Chalk is typically almost pure calcite, CaCO3, with just 2% to 4% of other minerals
The supplement I just looked up uses Calcium Carbonate. That could just be purified chalk and be in compliance with the FDA. In fact, it probably is just that.
Animals are eating the world
> Chalk is typically almost pure calcite, CaCO3, with just 2% to 4% of other minerals
The supplement I just looked up uses Calcium Carbonate. That could just be purified chalk and be in compliance with the FDA. In fact, it probably is just that.