Question: My kidneys have suffered on and off for years. Lately I've been eating a lot of walnuts (soaked first, then baked). Last night awoke with intense cramping in calf. Wondering if it was too much phosphorous?
Doctor: Cramping is a common symptom for kidney patients. It is often caused by low calcium, acidosis, and vitamin D deficiencies. Due to kidney impairment, kidney loses its function of balancing electrolyte in the blood. Too much pjosphorus intake will lead to the loss of calcium. Walnut is high in phosphorus. It is likely that it is the walnut that causes your intense cramping.
Eating walnut has many health benefits, such as improving blood vessel health, anti-inflammation, lowering cholesterol level, boosting immune system and reducing problems in metabolic syndrome.
However, it does not mean you can eat large amount of walnut. A saying goes that too much is as bad as too little. When kidney fails, it can not filter the wastes and toxins out of body, so it is important for you to pay attention to what you drink and eat.
To prevent cramping, you can do some exercise, properly supply vitamin D and calcium, and restrict the intake of phosphorous.
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