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.
Often people have been found wondering why they get Charley horse i.e. what are the reasons behind its occurrence. In the following lines, we have tried to provide an answer for the same. In most of the cases, Charlie horses are the late responses of overstraining a muscle during exercise, or otherwise.