We recommend a 3 monthly program on-going. Every quarter, do a system clean up by taking 4 capsules every 8 hours for 36 hours and drinking lots of water at all times. This program provides a preventative or prophylactic against calcium build up.
We are aiming at the modern problem from too much dairy foods and other rich sources of calcium (tahini, green leafy vegetables, soy products, bread) in our diet today. Over-load with any synthetic minerals or rely on our modern, extremely narrow range of mainly processed foods and we suffer the consequences of too much calcium and a lack of other complementary minerals and other phytonutrients.
Chanca piedra has a host of other benefits too and more information is contained in this pdf: A short history of uses of Chanca piedra.