<<Disclaimer: Verify this information before applying it to your situation.>> Sorry but I forgot to include contact information for Puritan's Pride GF antacids and vitamins. Here it is: Puritan's Pride 1233 Montauk Highway P.O. Box 9001 Oakdale, NY 11769 800-719-5807 Fax: 516-471-5693 Steve Veach in Chicago, Illinois USA