Not Old Enough to Buy Starch

As the years passed, my access to the laundry starch in the window became slim.   I could hardly wait til I was old enough to go to store and buy my own box. I wondered if they will still be selling it in the store.  I often heard older adults say that they stop making it because so many people were eating it and becoming sick.  In the meanwhile, I search for a substitute.  Guess what is was?