Keeping an electrolyte balance, which includes supplementing sodium, has shown to keep the body hydrated and also boosts endurance during strenuous workout.
Current guidelines recommend limiting sodium intake to 2,300 milligrams a day for healthy people—with the FDA intent on lowering it further. However, during the study it was found that healthy adults consuming less than 2,500 milligrams of sodium a day had higher blood pressure than participants who consumed higher amounts of sodium.