Rennie Peppermint Liquid Heartburn Relief provides fast, soothing relief from heartburn and indigestion. The liquid forms a protective layer on top of the stomach contents to prevent stomach acid escaping into the food pipe, which causes pain and discomfort. Can be taken day or night for fast relief. Suitable for use during pregnancy and breast-feeding - as many as 8 out of 10 women experience indigestion at some point during their pregnancy. Sugar-free. 250ml size.