Magnesium is commonly used to treat: Muscle Cramping Muscle Fatigue and Tension Low Energy Anxiousness Inability to Sleep Head/Migraines Fibromyalgia Poor Digestion Foods with good sources of Magnesium: Pumpkin Seeds Spinach and Swiss Chard Dark Chocolate Black Beans Quinoa Almonds and Cashews Avocado Halibut, Mackerel and Salmon 10 Evidence-based benefits of Magnesium