I'm not sure this actually whitens teeth but I love the clean feeling after using it. Well worth it just for that; no toothpaste has done that for me yet.

I really wanted to like this product. The AV engine is great, and very low impact with a high degree of protection. But the rest of the sute is sub-par at best.

Sometimes these guides can give you what you are looking for to know if you can itemize something. They definately give you updated information about new laws, etc. Come in handy if you think you might have a deduction and you are not sure, or they might tell you about a deduction you hadn't thought of. This book is something I purchase annually.