Believe it or not Coconut Water (found at and in health and whole food stores), is a SUPER electrolyte replacement. I will say this it aint no Gatorade or sweet yummy drink, but it is FANTASTIC for electrolyte replacement. Here is a little info from a website that sells coconut water.
For more than 4,000 years, coconut water has been revered as a natural source of nutrition, wellness, beauty and hydration. In times of famine and war, coconut water has been used as an intravenous fluid and saved many lives. It’s the only natural substance that can be safely injected into the human blood stream. Now modern science has validated its effectiveness, especially as a natural sports drink.
It contains the five essential electrolytes that gives your body everything it needs to stay hydrated and perform at your best. It has more potassium than a banana – 15 times more than most sports drinks – to prevent cramping. Drink it before or during a workout for the natural energy you need for optimal performance. After a workout, it replenishes and re-hydrates you to speed recovery.
As for the evening at camp a small amount of Whisky, or other high proof liquor will assist with soreness and muscle aches, plus it's nice to have a BIG BOY drink to celebrate in moderation after a hunt. But notice I said a SMALL amount, too much will lead to dehydration and a REALLY BAD thing call a Hangover (NOT A GOOD THING EVER!). Good luck in your research for a drink, and good luck on your hunt.