Magnesium helps keep bones strong, blood pressure normal, and improves muscle function. It also prevents osteoporosis, insomnia, constipation, heart attacks, hypertension, constipation, kidney stones, and gallstones. Sources of magnesium include nuts (especially almonds), dried figs, whole grains fish and green leafy vegetables. Epsom Salt baths are also a relaxing way to get more magnesium.