<<Disclaimer: Verify this information before applying it to your situation.>> Dear Listmates, I was just at my local London Drugs replenishing my Caltrate Plus calcium tablets & because they were out of stock, I looked at the London Drugs house brand & discovered they cost about 40% less than the name brand & best of all they list gluten as one of the substances the product is free of. I'm impressed!! Helen in Vancouver, BC