Yeast-free products, together with advice on their use, are available from chemists and a range of other suppliers in Europe and the USA.
These days some larger grocers and most supermarkets also stock yeast-free products. Many food labels state whether they contain yeast or yeast products, such as vinegar. It is also possible to make yeast-free foodstuffs from scratch, using yeast-free ingredients
Various support groups also produce advice about food content, yeast-free free foods, together with special yeast-free cookery books and so on. Dieticians can also help advise families