The best hydration drink is one that does not shut off the osmotic drive (the drive to drink) and that minimizes urine output. Clinical trials on cyclists have shown that we’ll drink more if:
- The drink tastes good
- Doesn’t upset the stomach (isn’t too concentrated)
- Replenishes lost sodium, and
- Provides energy to muscles in the form of carbohydrates (about 6 to 8 percent solution is optimal)
To find the concentration of a drink, take the number of carb grams