"Sorry we are having trucking difficulties and supply problems at the moment. Please take your daily serving of 1-cup all nutrient dense supplied food called Rice®™℠. Remember be grateful to your {INSERT ENTITY HERE}"

...And remember kids "It's easier to meet the people where they are!"

They already know how to grow, transport, store, and cook rice. Just give them the seeds.

I think you're the one proposing to supply "Vitamin A enriched foods (carrots, sweet potatoes, spinach, kale...?)", which they may not know how to grow, transport, store, or cook.

Meeting people where they are dates to the 1940's, when we started putting iodine, iron and other additives into food with a significant impact in reducing disease like goiter and anemia all over the world.