15. Shop carefully
Another essential thing to remember is the careful shopping. You want to take the extra time to make sure you are buying food that your family member or guest can eat. It's getting still a little more complicated; a food allergy is involved because you never know whether soy or dairy is included in food until you usually buy it.
Take the time to carefully read the complete ingredient list and any other claims on the packaging explaining what it contains. Most companies will have a statement that focuses on eight prominent ingredients.