how much water is required a day for teen
1 Juice: Limit to 4-6 ounces a day for kids 6 and under (that's Â½ to Â¾ of a cup). Older kids and teens can have 8-12 ounces a day, max. 2  Sports drinks: Generally, avoid these since they add calories and sugar, but few nutrients, to your child's diet.