Kidney Stones And Calcium Intake. There is likely a genetic component here however genetics likely does not explain the whole story. 7 for cystine and struvite stone formers a high fluid intake of 3 7 3 5 l 3000 3500 ml per day decreases the risk of stone formation.
For calcium based stones calcium oxalate and calcium phosphate as well as uric acid stones a high fluid intake of 2 5 l 2500 ml per day decreases the risk of stone formation. So the kidney stone diet aims to increase urine ph to reduce the risk that calcium and oxalate will bind. They suggest that the risk of kidney stones among women taking supplemental calcium might be reduced by consuming the supplements with meals particularly meals which contain the most oxalate lunch and dinner.
The majority of calcium oxalate kidney stones are formed due to idiopathic hypercalcuria.
A dietitian who specializes in kidney stone prevention can help you plan meals to prevent kidney stones. This appears to happen because when less calcium is ingested it becomes easier for oxalate. You may need to change what you eat and drink for these types of kidney stones. Many kidney stone formers especially women with kidney stones question whether to stop or reduce their calcium intake.