It has a great flavor, but you must remember to eat it BEFORE you brush. :)
I don't know if it works. I guess that I think it works sometimes. I'm also taking magnesium. I haven't slept well, though in about 10 years. At least, this is a high quality product.
Great product! The chocolate taste is very good and it helps you take off an edge and helps you relax. Chocolate usually keeps me awake because of the caffeine but this product does not do that at all. Easy to fall asleep, love it!