According to the WHO, and other chemistry organizations, the nitrate ion, in high quantities shuts down the CNS. If one injests a high amount of SN, one can expect kidney failure, liver failure, paralysis, splitting headaches if one were to avoid death. If there is any doubt you face, don't do it, focus on recovery because failure will lead to more pain.
not entirely,
because salt refers to the term of an group one element ionicly bonded to a polyatomic ion, or a element with a charge of +1, chemistry "salt" and the dictionary definition of salt are two separate things. The primary substance in table salt is sodium chloride, thus when we are referencing a salt taste, we are saying something tastes like the Na+ or the Cl-.