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).
Turmeric's modest kidney-stone factor. Turmeric makes for an interesting supplement, but if you are prone to kidney stones you're better off not taking it, write researchers from the US department of agriculture in the American Journal of Clinical Nutrition. They claim that turmeric supplements contain too much oxalate.