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Doctor insights on: Magnesium Citrate Vs Magnesium Oxide

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Dr. Tarek Naguib
Board Certified, Nephrology and Dialysis
35 years in practice
2M people helped
1

1
What's the difference between magnesium oxide and magnesium citrate?

Dr. Tarek Naguib
Board Certified, Nephrology and Dialysis
35 years in practice
2M people helped
What's the difference between magnesium oxide and magnesium citrate?

Different mag salts: You cannot take magnesium alone. It has to be compound with something like oxide, citrate, or sulfate. We call these salts of magnesium. Like the salt of table sodium chloride. But you can take sodium in other forms like sod bicarb (in baking soda). Mag citrate causes diarrhea that's why it is used for constipation. Also, good for preventing kidney stones. Mag ox is used for repleting low mg level. ...Read more

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Dr. Aaron Milstone
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Dr. Aaron Milstone
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Dr. Michael Boriss
53 doctors shared insights

Magnesium Oxide (Definition)

Magnesium oxide is a mineral which is a kind of nutritional agent ...Read more


Dr. Tarek Naguib
Board Certified, Nephrology and Dialysis
35 years in practice
2M people helped
2

2
What is the difference between magnesium oxide and magnesium citrate? Are they for the same purposes?

Dr. Tarek Naguib
Board Certified, Nephrology and Dialysis
35 years in practice
2M people helped
What is the difference between magnesium oxide and magnesium citrate?  Are they for the same purposes?

Nope: Although both could cause loose stools. Mag citrate is more effective for constipation. Mag oxide is used for muscle cramps and repleting low mag blood levels. Both can increase mag levels in urine which helps fending off kidney stone disease. However, mag citrate is much better bec citrates also prevent kidney stone disease. ...Read more

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Dr. Aaron Milstone
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22 years in practice
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Dr. Veeraish Chauhan
Board Certified, Nephrology and Dialysis
9 years in practice
468K people helped
3

3
Can you please tell me how magnesium oxide and magnesium citrate differ?

Dr. Veeraish Chauhan
Board Certified, Nephrology and Dialysis
9 years in practice
468K people helped
Can you please tell me how magnesium oxide and magnesium citrate differ?

Different salts: They are different salts of magnesium that one might use to replete magnesium deficiency or other clinical conditions. They do not have the same amount of elemental magnesium for every milligram. Mag citrate is often used to treat constipation, whereas mag oxide is a preferred way of treating mag deficiency. ...Read more

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Dr. Katharine Cox
Board Certified, Pediatric Emergency Medicine
40 years in practice
3M people helped
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4
Took magnesium citrate (300ml) & now worried because I take a daily magnesium oxide supplement. I feel very nauseous & my stomach hurts after drinking the mag.citrate. Will this lead to hypermagnesemia? My serum lvl was 2.3 last year. I'm worried.

Dr. Katharine Cox
Board Certified, Pediatric Emergency Medicine
40 years in practice
3M people helped
Took magnesium citrate (300ml) & now worried because I take a daily magnesium oxide supplement. I feel very nauseous & my stomach hurts after drinking the mag.citrate. Will this lead to hypermagnesemia? My serum lvl was 2.3 last year. I'm worried.

Unlikely: Your symptoms are likely related to using the mg citrate as a laxative. A1 time occurrence is unlikely to increase your magnesium level. If you continue to feel unwell, get a magnesium level done. All the best! ...Read more

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Dr. Aaron Milstone
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22 years in practice
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Dr. Pamela Pappas
Board Certified, Psychiatry
37 years in practice
135M people helped
5

5
What is better for anxiety? Magnesium citrate or oxide?

Dr. Pamela Pappas
Board Certified, Psychiatry
37 years in practice
135M people helped
What is better for anxiety? Magnesium citrate or oxide?

Either: The magnesium is what might help with anxiety. The citrate could be easier to absorb than the oxide, but the oxide is a little more economical. Be aware that magnesium supplements can cause loose stools, so use divided doses and increase gradually. You need about 320mg/day of magnesium from all sources including food -- possibly more if under significant stress. Stools can be your dosing guide. ...Read more

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Dr. Jan Lei Iwata
Board Certified, Ophthalmology
21 years in practice
14M people helped
6

6
What are the differences between magnesium citrate vs oxide? Which will work better with stimulant medication?

Dr. Jan Lei Iwata
Board Certified, Ophthalmology
21 years in practice
14M people helped

They are different : Salts of magnesium. The magnesium citrate may be absorbed a little better, but if you take too much of either one, you might end up with loose stools. So talk with your PCP about which one S/he recommends for you to take right now. ...Read more

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Dr. Yash Khanna
Board Certified, Family Medicine
52 years in practice
132M people helped
7

7
Magnesium oxide or citrate, which is better?

Dr. Yash Khanna
Board Certified, Family Medicine
52 years in practice
132M people helped
Magnesium oxide or citrate, which is better?

Magnesium citrate: Magnesium citrate is a saline laxative and is used for that purpose and is very effective.Magnesium oxide is used for heartburn and sore stomach and can be a laxative in large amount as laxative magnisium citrate is more effective. ...Read more

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Dr. Mohammed Karim
Board Certified, Internal Medicine
24 years in practice
350K people helped
8

8
What would doctors recommend magnesium citrate vs magnesium glycinate?

Dr. Mohammed Karim
Board Certified, Internal Medicine
24 years in practice
350K people helped

Depends: Both can be used in magnesium diciency. Magnesium Citrate used for bowel irrigation and cause diarrhea. Citric acid will increase stomach acid and assimilation & should be taken with meal. The glycine in magnesium glycinate is an Amino Acid which can help with sleep and feeling calm. Least likely to cause loose stools & should be taken at bedtime. ...Read more

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Dr. Roy Arnold
Board Certified, Internal Medicine
42 years in practice
5M people helped
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9
What if any benefit is Magnesium Citrate?

Dr. Roy Arnold
Board Certified, Internal Medicine
42 years in practice
5M people helped
What if any benefit is Magnesium Citrate?

Laxative: Magnesium citrate solution is mainly used as a strong laxative. If you are looking for a magnesium supplement, try magnesium oxide instead. Thanks for trusting HealthTap! ...Read more

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Dr. Jeremy Gitomer
Board Certified, Nephrology and Dialysis
24 years in practice
312K people helped
10

10
Can you please tell me how magnesium and magnesium citrate differ?

Dr. Jeremy Gitomer
Board Certified, Nephrology and Dialysis
24 years in practice
312K people helped
Can you please tell me how magnesium and magnesium citrate differ?

Cofactors: Magnesium has 2 positive charges and must be bound to something that has 2 negative charges when made. Magnesium can be bound to citrate, protein, sulfate and oxide. Each different formulation has differences in tolerability---citrate increases stooling and is used for constipation. Protein, oxide may allow better absorption and less diarrhea. Sulfate is a cofactor for IV magnesium. ...Read more

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