Why do sports drink that hydrate you have so much sodium in them?

Question

Doesn’t salt / sodium dehydrate you?

In: 2

Answer 1

Gatorade also really well designed for replenishing your muscles with sugars. It uses a transporter present in the cells to pull sugar across the membrane utilizing the passive transfer of the salts in the juice. Here is the non ELI5 link that explains exactly how it works, with pictures.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC24099/