Symptoms can include:
- loss of appetite
- nausea
- fatigue
- weakness
- numbness
- tingling
- cramps
- abnormal heart rhythms
Most Americans consume less of this mineral than the recommended daily intake, with elderly men and adolescent females most likely to have low intakes. Nuts, grains, and green leafy veggies are good dietary sources. Magnesium is also available in supplement form.