Iron helps hemoglobin carry oxygen
Zinc part of the enzyme that maintains acid balance in your balance.
Magnesium found in chlorophyll
Iron is a part of the complex that binds to oxygen in hemoglobin that is essential to the function of blood.
Zinc is a regulator for the stomach when pH is too low.
Magnesium is used by plants in chlorophyll to detach oxygen and use it for photosynthesis.