Iron & Zinc

• Factors influencing iron bioavailability:

  • host-related factors
  • chemical form (haem vs non-haem Fe)
  • Enhancers and inhibitors in meal
• haem Fe absorption 


  Approximately 25 - 30%
• Non-haem Fe 


  approximately 5 - 15%
• Haemoglobin

  Approx 67% body iron

  transports oxygen in red blood cells
• Consequences of iron deficiency 


  Decreased growth

  decreased cognitive function

  fatigue

  less work tolerance

  spoon-shaped nails