In fact we always forget about the age old grains like millet, ragi, sorghum etc etc. Even these could be added to the wheat flour during this preparation.
Definitely these are not immunity related, but constituents to improve the nutritive value of the food as a whole.
On a commercial scale, we have dry noodles available in our market, where they boast to add spinach, pumpkin, beets etc and calling it ‘rainbow noodle’.
With recent digital strain (with lots of people staying at home with their mobile devices), companies are even trying to add lutein, zeaxanthin powders to noodles too!!. I might only see this as a money making business, while instead we should try incorporating natural fruits, vegetables & nuts to our daily diet to solve most of the health issues. Having said that, i have attempted Berry Essence from ‘BRANDS’ that come in the liquid form, also tried berry powder to be incorporated in smoothies or breakfast.