Symptoms of magnesium deficiency include low appetite, nausea or vomiting, muscle spasms or tremors and abnormal heart rhythms. Magnesium deficiency is usually treated with supplements.

How do you feel when your magnesium is low?
Very low magnesium levels may cause:

Headaches. Nighttime leg cramps. Numbness or tingling in the legs or hands. General body weakness.

Black-eyed peas.
Black beans.
Chickpeas.
Edamame.
Tempeh (cooked)
Soy nuts.
Tofu.
Almonds, cashews, and other nuts.