Be careful with whitening treatments as they remove tooth enamel. I personally like Crest toothpaste and it has several whitening options. They also make white strips which work very well.
I would suggest a toothpaste that is preventive to tooth decay and cavities. Anything that helps kill bacteria that causes bad breath. A toothpaste that helps whiten your teeth. Usually, name brands are just as good as non-name brand.
I think that the original toothpastes like Colgate or Crest are the best options for toothpaste. They do the job of whitening and both have acceptable flavors. There is too much stock put into all the fancy toothpastes that are available now.