Jennie! Have you read the book? If not, you might pick it up in the library -its a quick read and helpful... the FAQ and recipe section will help you alot in understanding SB and determining what foods and seasonings you can make and use to make some delicious family friendly meals...
Look for things that are free of preservatives, partial hydrogenated fats, added sugars, and enriched wheats.
See the Sticky section in the FAQs for product names to help you....
Mustards for the most part are okay...
Fat free, low fat -- you need to read what is best in the long run for you. Sometimes Low fat is laden with other things like Sodium ... look for items free of Trans fat and low in Sat Fats... partially hydrogenated fats should be none or low low low on the list...
In the future, consider making your own taco seasoning with cumin,curry,chili onion and garlic powder and skip all the preservatives......
Getting started on any WOE is hard to learn all the rules to.. The biggest here is the Closer you are to natural foods the better you are! Good luck, healthy eating and living!!