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.
Muscle spasms can happen to anyone, at any age. And a charley horse can occur at any time of the day or night. People who are obese are more likely to experience charley horses because of poor circulation in their legs. Athletes often experience charley horses because of muscle fatigue or overuse.