We fortify maize flour with Zinc, Folic Acid, Iron, and B12, the micronutrients proven to be most critical for women and children within the 1,000 days window over the course of decades across countries. The long term impacts of our fortification include reducing maternal and infant mortality, preventing stunting, improving educational outcomes, and boosting productivity. Our one-size-fits-all technology, the “dosifier”, works with all the types of small mills found throughout East Africa, automatically dosing precise levels of micronutrients into maize flour as it is being milled. Our earned revenue stream and market-based model guarantees the sustainability of our impact, which is not dependent on behavior change. Sanku leverages economies of scale to neutralize the cost of fortification for millers, allowing them to sell their product at the same price as unfortified flour. Sanku purchases empty flour bags at wholesale price and sells them to millers for market price. Sanku’s profit margin covers the costs of the nutrient premix and a portion of our operating expenses. For the same price they already pay for the empty bags, millers get bags bundled with nutrient premix. Preserving the price consumers are used to paying ensures that the people who need the nutrients most are getting them.