Adolescent cramps, most can choose calcium gluconate or calcium erch, but also with vitamin D, vitamin D can promote the absorption of calcium, most of the adolescent cramps originated from rapid development, resulting in a transient calcium deficiency has a direct relationship between the period of time can be effective oral calcium tablets, to prevent leg cramps. You can also consider eating more calcium-rich foods, such as eggs, milk, lean meat, shrimp, shellfish, seafood, all have a very good effect on calcium. Teenagers who exercise too much, or sweat too much during exercise, resulting in frequent leg cramps, most do not need treatment, and generally do not need to take oral calcium tablets.