I have an eGFR of 58 and I have been taking 750 mg of magnesium daily to deal with constipation. Am I doing harm to my kidneys by taking such a high dosage of magnesium every day?

Magnesium intoxication does not cause any damage to kidneys. Magnesium toxicity can cause muscle weakness and low blood pressure. Magnesium blood levels can be monitored. You should discuss your concern with your physician and have a blood level measured.

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