Magnesium is present in both plant and animal cells and is the mineral in chlorophyll, the green pigment in plants, and so is widely available. Sources include green leafy vegetables, nuts, bread, fish, meat and dairy products. #Dietitionpreeti Magnesium is present in both plant and animal cells and is the mineral in chlorophyll, the green pigment in plants, and so is widely available. Sources include green leafy vegetables, nuts, bread, fish, meat and dairy products. #Dietitionpreeti