Today's true sports drinks are still the classic Gatorade -- packed with the electrolytes potassium, magnesium, calcium, and sodium to provide energy during intense workouts -- as well as competitors such as Cytomax, Allsport, and Accelerade.
1 Low levels of minerals, such as sodium, magnesium or potassium, in the body can be one of the reasons for Charlie horses. 2  Deficiency of calcium in pregnant women can also be another reason for the onset of Charley horse.  Low level of liquids in the body, while exercising, might be a probable cause of Charley horse.
16513. A charley horse is one of the most common types of muscle spasms that mostly occur in the legs, but can occur in any muscle on the body. Exercise and hot weather are the most common causes of charley horse leg cramps. Charley horse often occurs in the middle of the night when the individual is sleeping.