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

Water is absorbed most quickly when accompanied by salt and sugar, in specific ratios. This promotes [active transport](https://pubmed.ncbi.nlm.nih.gov/11193601/) of water from the gut to the blood stream.