Brown rice, avocados, spinach, haddock, oatmeal, baked potatoes, navy
beans, lima beans, broccoli, yogurt, bananas, soybeans, bran, nuts.
Cautions: People with kidney or heart problems should check with their doctor before taking magnesium supplements.
Substance interactions: Decreases absorption of magnesium: vitamins A, E and K. Magnesium reduces absorption of ketoconazole and tetracycline. Vitamin D may raise magnesium level too high.