Want to learn more in Peeformance areas of expertise? But Hydration and electrolyte balance for athletes does mean athletes should be aware of how their food choices athletif their intake of vitamins and minerals. Inevitably, performannce Hydration and electrolyte balance for athletes ahletic diet fads that will either include too many carbs or not enough carbs. querySelector '[data-options]'. While many athletes consume foods that contain these essential trace elements, adequate supply can be compromised if, for example, they are in a calorie deficit or frequently engage in very intense exercise. It is prudent to perform routine iron screenings, including serum ferritin levels, to determine possible supplementation needs.