I don't think I would use gatorade to help with a shed. Just go ahead and use regular water. Put two inches of LUKE WARM (Warm to you is scalding your snake) water in a container, drop in a tea towel (Size of a face towel) leave snake be for about 20 min. Usually the skin comes right off, if not rub a bit with the towel (Let snake crawl through towel you are holding firmly)
Gatorade has a lot of things in it. Electrolytes, yeah........but a lot of processed sugar as well. Can't be good for their kidneys. I have tried it before. I used Blue gatorade on a non-feeding snake hoping to induce a feeding responce (hey, I get the munchies after a sugar high!) Did not work. (The snake did not turn blue either). I used green gatorade on a sick snake (Its what I had), the snake died........yes, she was bright green too. More recently when I felt a snake (imports) needed extra boost of hydration I tried unflavored pedalyte. Seemed to work, snakes gained aprox 20 grams each after a 30-45 min soak (I assume water weight) and I saw no ill effects and no discoloration.