Magnesium Types: Which Ones Are Essential? Did you know that different forms of magnesium are needed to reach specific areas of your body? That’s why a complete magnesium supplement with all seven types is crucial. For instance, chelated magnesium can cross the blood-brain barrier and supporting cognitive function. Magnesium oxide helps maintain healthy blood pressure, while magnesium citrate is highly effective for digestive health. To truly support your body’s needs, take all seven forms for f