Zinc Zn

Atomic Number: 30
Atomic Weight: 65.39

Human Physiology:

• Crucial to more than 300 enzymes in the body
• Muscle and bone contain 90% of the body's zinc
• Prostate gland and semen
• Essential to T-cells of immune system
• RDA: 30mg/day

Prevalence:

• 23rd most abundant in the earth's crust

Source:

• Red meat
• Poultry, fish, seafood
• Whole cereals
• Dairy

Deficiency:

• Reduced, weakened T-cells
• Decreased ability to fight infection
• Anorexia

Excess:

• G.I upset
• Metallic taste
• Headache
• Drowsiness