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.
If you experience toe or foot cramps, spasms, it's likely that you're also consuming aspartame-laced products, such as chewing gum, diet drinks and foods. Aspartame produces charley horses and is bad for your muscles and nerves. Itf also causes brain tumors and deformities in fetuses.