Double-fortified salt reduces anemia, benefit:cost ratio is modestly favorable

► Double-fortified salt is helpful where anemia is high, and fortification of cereals not easy. ► A survey of seven trials found anemia improved in six cases using double-fortified salt. ► The benefit:cost ratio for double-fortified salt in India is estimated as 2.4:1. ► Double-fortified salt is not the complete solution, but can be a component of the solution.