How many Centrum Chewables a day?

I just switched to Centrum chewables from Flintstones (two a day) & wondered if I should take one of these a day or 2. I'm thinking my dietician told me one adult vitamin was all we needed but it's been awhile & I'm not sure.

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.