The top 10 magnesium rich foods, according to the experts include: The best source of magnesium is cacao, which is unrefined cocoa. “You can expect to get up to 500mg per 100g,” says Humphries.

After 30, men need 420 milligrams. Prickly pear has a lot of magnesium, but it isn't the easiest food to find or prepare. Focus instead on these fruits and vegetables that have a lot of ...