<<Disclaimer: Verify this information before applying it to your situation.>> Thank you to all who responded. Out of 28 responses, only one person said it was not GF. Everyone else says it is GF and the vinegar is derived from corn. Six people said they spoke with their representative and was also told it was GF and have used it and have never had a problem. Others have said that they use DelMonte and one person mention TraderJoe's. Simone, NH