Why does sodium-heavy liquids like pickle juice, chicken noodle soup, or saline hydrate you better than regular water when you’re dehydrated, but salt water dehydrates you?

Question

Why does sodium-heavy liquids like pickle juice, chicken noodle soup, or saline hydrate you better than regular water when you’re dehydrated, but salt water dehydrates you?

In: 925

Answer 1

Distance runners like me think of electrolytes rather than just table salt alone. Even when we take them directly (salt tablets) they still aren’t as salty as sea water.