Why are sport drinks good for an athletes hydration?

Answer 1

They aren't always good. Sometimes they are beneficial due to the electrolytes, which are essentially salts, that replace the salt that is lost in sweat. Most sport drinks, however, are mostly sugar water that tastes good. It is often times better to drink water or mix sports drinks with water.

Answer 2

No. You need water and other replacement anyway; exercise simply speeds up the rate at which you need to replace the lost water and salts.

Answer 3

Some sports drinks are good for you but most aren't.

Answer 4

sweat