Addition rate (also known as feed rate)

  • Implementation
  • Monitoring & Evaluation
  • Fortification
  • Supply-side


The amount of a fortificant or fortificant premix that is added to food vehicle (flour, rice, salt, etc) during the fortification process. Addition rate may be expressed as the amount of fortificant per certain unit of food vehicle (e.g. grams per ton or metric ton for flour or rice, milligrams per kilogram for salt; or amount as per period of production time such as grams per minute.


WHO (2021). “Monitoring flour fortification to maximize health benefits: a manual for millers, regulators, and programme managers.”