This does the job that any toothpaste does - it cleans your teeth. The taste isn't overwhelming or intense like some other toothpastes tend to be. It's nice and minty fresh.
In terms of this whitening your teeth... I have been using this for over 4 months and haven't noticed my teeth getting any whiter. To be fair I drink way, way too much coffee and I do smoke.
I wouldn't recommend this as a tooth whitening product but I would recommend this as a toothpaste in general. It isn't anything special but it works and makes your teeth feel nice and clean.
It tastes nice and minty, but i guess most toothpastes do! It leaves my mouth feeling nice and clean and fresh but i sure havent noticed any whitening going on.