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Not that it is that important, but you must have misunderstood what was being said. Phosphorus (phosphoric acid) and calcium are no where close to being the same, or nearly the same, as a glutamate (glutamic acid) and monosodium. The difference is as a rock is to wood.

Both elements can be found together in a particular substance (product), however, the ingredient purpose and the value of each element is totally and separately different.

Dicalcium Phosphate and Tricalcium phosphate is commonly used as a filler and binder. The substance is also used to keep certain granular and flour-like products from " clumping.

Many pills and capsules contain Dicalcium and Tricalcium Phosphate. I do not believe people taking high blood pressure medication would appreciate having a sodium element in their medication.