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.
Risk factors for charley horses. Muscle spasms can happen to anyone, at any age. And a charley horse can occur at any time of the day or night. Charley horses do tend to occur more often among people in the following groups: athletes. infants. older adults. people who are obese. people taking certain medications like diuretics, Evista, or statin drugs.