Carlos replied ( to me ):
[ oral rehydration ] is not simply table salt.

Table salt works too.

Sure. If you want to kill him.

Salt has been unjustly villainized.
Wild animals love salt licks.

Google: is salt bad for you?

" Salt has a bad reputation, but some evidence shows
it may not have much impact on heart disease. "

https://www.healthline.com/nutrition...lt-bad-for-you