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

There was a study recently that concluded milk is a better hydrator than water because the fats and proteins in it help keep the water from passing straight through you. It’s true for other drinks too — juice, etc.