We get a ton of questions about electrolytes. What are they? Why do we need them? How do they work with our bodies to keep them running smoothly?

We get a ton of questions about electrolytes. What are they? Why do we need them? How do they work with our bodies to keep them running smoothly?
As you are probably aware, there’s a whole story about alkaline water and alkaline diet that it doesn’t help because the body naturally balances itself.” So.. is it true?