In brief: Magnesium citrate is a well-soluble magnesium form. It may be useful when magnesium intake is inadequate, but it is not a proven universal sleep aid.
What matters?
| Topic | Interpretation |
|---|---|
| Bioavailability | Citrate is well absorbed |
| Sleep | Evidence is limited |
| Side effect | Diarrhoea can occur |
| Kidney function | Extra caution if impaired |
NIH notes that citrate is among the better-soluble magnesium forms; higher supplemental amounts can cause diarrhoea and cramps.[1]
FAQ
Is magnesium citrate better for sleep than other forms?
No clear superiority is established.
Can it cause diarrhoea?
Yes.
Is more magnesium better?
No.
When is caution needed?
Especially with impaired kidney function.
Conclusion
Magnesium citrate is a useful magnesium source, but not a reliable sleep treatment for everyone.
