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Sometimes yes. My dentist explained she recommended Colgate because none of their 30 equal choices used to contain stannous floride, so it was easier to shop by brand than search for which ingredient to avoid specifically amongst the competitors 30 choices

Oh but it does, they just don't give the US access to the good stuff. Sensodyne Repair & Protect with NovaMin is available in Europe, but because American Crapitalism, aka money aka FDA, you can't get it in the US.

Fluoride is good for teeth but not for your gut and the rest of the body

I don't think you're supposed to be eating the toothpaste.

I eat a quarter of a tube of toothpaste per day. Other than the weight loss, hair loss and reduction in bowel control, I have not noticed any negative side effects. Helps keep my insides clean.