- grains
- Leafy green vegetables
- Fortified cereals
- Milk and some dairy products
For healthy people, magnesium naturally present in food is generally not considered a problem because the kidneys can remove excess amounts.
The concern is primarily with excessive amounts from supplements and magnesium-containing medications.
How Much Magnesium Is Too Much?
For adults, the NIH lists an upper limit of 350 mg per day of magnesium from dietary supplements and medications. This limit does not include magnesium naturally present in food.
That doesn’t mean everyone should take 350 mg.
The recommended