Hi Ruchie - You may have better luck with Boost. Neither Boost nor Ensure are really IBS safe, and I don't know if Boost has gluten in it, but it's another option maybe.
- Heather
-------------------- Heather is the Administrator of the IBS Message Boards. She is the author of Eating for IBS and The First Year: IBS, and the CEO of Heather's Tummy Care. Join her IBS Newsletter. Meet Heather on Facebook!