magnesium supplementation with kidney disease

by Frank

If someone has kidney problems, why shouldn't they supplement with magnesium? If it was found that they had magnesium deficiency, wouldn't they supplement anyway or would they stay deficient?

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magnesium and slight nephropathy from years of Type I diabetes

by susanna
(Vancouver BC Canada)

type I diabetic for over 40 years but have had 2 islet implants and am no longer on insulin. Have very slight kidney damage, barely below normal readings. Would a higher dosage of magnesium ( now taling 167ml once a day) be harmful or helpful?

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Magnesium & one kidney

by Mary
(Chandler, Tx)

I have only one good functioning kidney. Should I take magnesium supplements? I currently take 15000 units of D3 daily, along with a multivitamin and 8000 mcg of B12.

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Magnesium and Kidney Function

by Priya Nath Mehta

Dear Kerri,

We are frequently warned that people with faulty kidney function must not take magnesium. Does this mean that any time that we begin magnesium supplements we must first get our kidney function checked? This would appear a bit alarming -- because normally whenever we take supplements of Vitamins and Minerals we so so without getting blood tests for the kidneys or or the liver.

So this feature of magnesium would certainly deter many elderly folk from taking magnesium. They would feel that they would be drawn into a vicious circle of getting the kidney functions checked before and after magnesium intakes!

Isnt there some safe dosage that people of all ages can take without having to worry about the effects of Magnesium on compromised kidney function?

I know this is the one aspect of magnesium intake which frightens me -- as I live in the mountains where I am hundreds of miles away from any laboratory that can test for the kidneys!

Please let me know whether there is some empirical method of knowing whether the kidneys are not being harmed without having to undertake blood tests for the same?

Is weight gain and ankle or facial swelling a good enough sign? Or can one measure one's fluid intake against the output + 500 cc and see if they come out constant? Also assuming that one's weight remains constant over days -- would that indicate that the kidneys are all right?

Thank you in advance for your excellent advice. I am sure this is a question that many people are asking and your reply will enlighten them!!


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Too much Magnesium in a dialysis patient

by Robin Lawson
(Edmonton, AB. Canada)

Too much Magnesium in a dialysis patient - what are possible results of too much. Patient on home dialysis.



Hi Robin,

First of all, never give magnesium supplements to someone on dialysis without the EXPRESS permission of their nephrologist. You may not have given any supplements, but I just wanted to express a 'general' warning about that.

But a high magnesium level can lead to heart problems, neurologic problems and even death. It CAN be a serious condition and it's something that should be addressed IMMEDIATELY with the nephrologist who should give you instructions on what to do about that.

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Kerri Knox, RN- The Immune System Queen
Functional Medicine Practitioner
Immune System


PS: Don't forget to get your FREE Ebook when you Sign Up For My Newsletter. Thanks for visiting Easy Immune Health.

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Magnesium and kidney disease

by Deb Smith

I've been taking Magnesium Citrate for migraines for the last year, but I've just been diagnosed with autoimmune kidney disease. I read on another site that people with kidney disease shouldn't take magnesium.

Is it safe for me to continue taking it?

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