The Essential Minerals
The minerals are classified into three parts macro and trace and ultra trace minerals, the essential minerals which we need to be healthy are: calcium, phosphorus, magnesium, sodium, potassium, iron, zinc, and fluorine. The essential trace elements are copper, chromium, manganese, molybdenum, selenium and iodine.

The Most Important Minerals
Calcium:
Functions: it plays an important role in bone and teeth formation and nervous system.

Deficiency: leads to decrease growth, increase rates of bone fractures and nervous system problems.

The best natural source: milk.

Iron:
Functions: it plays an important role in red blood cells formation.

Deficiency: leads to iron deficiency anemia which characterized by fatigue, pallor, concave nails with white lines and increase heart beat.

The best natural source: eggs, meat, liver and fish.

Zinc:
Functions: growth and development, immune enhancement, wound healing and fertility.

Deficiency: leads to skin inflammations, hair loss, sore throat, delayed growth and diarrhea.

The best natural source: meat, vegetables with leafs, whole grains, milk and eggs.