2. Meat
Meat contains a significant amount of protein. Now, protein is very important to growth processes and the health of our muscles, but metabolizing it is one of the hardest jobs our kidneys do.
A diet high in animal-based proteins also increases the risk for kidney stones. For those reasons, a high protein diet is not recommended for people with kidney disease.
Meat, especially organ meat like liver, also has a high concentration of purine. Purine stimulates the production of uric acid, a waste product that is normally processed out by the kidneys. Too much is overwhelming and can cause stones.
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