Relative bioavailability

  • Assessment
  • Diet


It is used to rank the absorbability of a nutrient by comparing its absorbability with that of a reference nutrient that is considered as having the most efficient absorbability. Absorption and retention of a particular chemical form of a nutrient relative to some reference form of that same nutrient.


WHO and FAO (2006). Guidelines on food fortification with micronutrients, World Health Organization.