[551199]

Exactly, its very important to get enough sodium. Cook your own meals and add salt.

For anyone who works out or is starting to its good to remember you lose salts while you sweat as well.

[cheald]

I throw a pinch of salt into my post-workout protein shakes exactly for that reason - replenishing lost electrolytes is really important for recovery.

[hvidgaard]

Sodium is normally in protein shake, and certainly in sports drinks.