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).
These agents aren't known to cause kidney stones. Most kidney stones in the US are caused by our diet which is rich in meat protein. Calcium supplementation does increase the risk of kidney stones. As far as the blood pressure goes, he should probably have his dose of the lisinopril reduced. Alternatively, there are other agents such as calcium channel blockers, beta blockers or Angiotensine receptor blockers that can also be tried.