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Fluoride as ingredient is questionable for human heath despite of what the marketing spread

Do you have any reputable evidence that fluorinated toothpaste is harmful (assuming normal usage)?

This is not exactly your point but, there is data for fluoride not being good for pregnant women.

Because of how ubiquitous fluorinated toothpaste is the argument for adding it to water supplies is significantly reduced.

I heard something about fluoride and gut, don't know if pseudoscience. Anyway benefit to teeth is more important