For CBS, install with two machine bolts. For CBSQ, install 1/4 x 2 Strong-Drive SDS Heavy-Duty Connector screws, which are provided with the column base. (Lag screws will not achieve the same load.) For full loads, a minimum of 3 side cover shall be provided.
Calcium supplements appear to increase the risk of kidney stones (American Journal of Clinical Nutrition, Jul. 2011). Some people make more kidney-stone forming oxalate after large doses (2,000 mg) of vitamin C (Journal of Nutrition, Jul. 2005).
1 Taking excessive amounts of calcium or vitamin D supplements over time can raise calcium levels in your blood above normal.  Hereditary factors. A rare genetic disorder known as familial hypocalciuric hypercalcemia causes an increase of calcium in your blood because of faulty calcium receptors in your body.