Products to help with common digestive problems, from diarrhoea and constipation to heartburn and gut health. The range includes loperamide (Imodium) for diarrhoea, bisacodyl (Dulcolax) for occasional constipation, and probiotics such as Vizylac to support healthy gut bacteria.Helpful guides: how to stop diarrhoea fast and constipation relief that works.Some products in this category are prescription medicines. Check each product page for details, and always follow the advice of your doctor or pharmacist.