Consult your health care professional for proper dosage. An overdoage or toxic level of magnesium from food sources would be virtually impossible. However, when taking supplements you must follow dosages set by your health care professional. Toxiciity is uncommon but you must be aware of the symptoms. These include nausea and vomiting, extreme muscle weakness, and difficulty breathing.
Blood pressure can drop and pulse become irregular.
You must seek medical attention. One half cup of soybeans provides 278 milligrams of magnesium and one half pound of spinach has 200 milligrams. So once again these appear to be superfoods. Home Page .