Colgate toothpastes do in fact have the ADA Seal of Approval. http://www.ada.org/ada/seal/sealsrch.asp This is a very shrewd marketing campaign by Crest to make everybody think that they are the only toothpaste with the seal. Their efforts seemed to have convinced you, in fact. Crest was the first to have the seal of approval, but really the ADA was endorsing the use of flouride, not the Crest brand or product in particular. You should educate yourself better before tossing out these lies. Colgate with the breath strips RULE