<<Disclaimer: Verify this information before applying it to your situation.>> First, I want to thank everyone for the overwhelming response I received to my inquiry. It is so nice to have a support system such as this. The overwhelming response to my inquiry was the Sorrento brand was gluten-free. With this information in hand, I subsequently spoke directly to a woman at Sorrento Food Products and she assured me that there Ricotta cheese and their Mozzarella Cheese were indeed gluten-free. The vinegar is derived from corn. She said she would be sending some literature on their products. If I glean any information of interest when these items arrive, I will do an additional post. Again, thanks to everyone that took the time to respond.