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Sodas also have acid in them directly, the first 3 ingredients in Coke Zero are: > CARBONATED WATER, CARAMEL COLOR, PHOSPHORIC ACID, …

https://us.coca-cola.com/products/coca-cola-zero-sugar/coca-...

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phosphoric acid is particularly bad because it yanks all the free calcium in any solution it comes in contact with (e.g. saliva). Calcium phosphate is then insoluble in water, so it then larglely flows right through you.

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