Please choose the correct ending to complete the given sentence: Health: [header] How to live with allergies to wheat [title] Read food labels. [step] When you have an allergy to something as common as wheat, you must get used to reading labels. Wheat can hide in many foods that you wouldn't suspect have this ingredient, as flour is used as a thickener.

Ending1: Foods with wheat must contain the phrase " contains: wheat " if it is an ingredient, according to the federal drug administration (fda). [substeps] For instance, flour is used as a thickener in many sauces and gravies, and it's even found in some ice creams. Ending2: Check the ingredients list and make sure the product you purchase is 100% wheat-free. [substeps] Wheat may not actually count as wheat, in fact some food manufacturers claim it is whole wheat. Ending3: Any person with an allergy should read a label to check for the enzyme. This contains most of the enzymes that will make or break the wheat, which are known as " allicins. Ending4: [title] Understand that often, unripe wheat is infused with this sweetener. [step] Even if the label tells you it is not wheat, you won't know because many common wheat flours are produced with the addition of sugar.

Answer format: ending1/ending2/ending3/ending4