Leverage Factor
Project Cost Real world outcome Outcome estimates Economic value in Western terms
Iron fortification $680m/year prevent 16m DALY/year (WHO Global Burden of Disease 2004) cost $0.13/person/year (Iron Fortification and Iron Supplementation are Cost-Effective Interventions to Reduce Iron Deficiency in Four Subregions of the World); apply across 5.2b population of developing world $1.4t/year

Note that according to at least one article supplementation may be more cost effective than fortification for iron.

Leverage Factor

2,000