Of course, a number of individual factors can also play a role in whether it's appropriate to exercise while fasting, such as your age, when you last ate, whether or not you're pregnant, taking medications, your medical history, level of fitness, and the type of workout you engage in.
Children should consume no more than 12 grams (92 calories) or 3 teaspoons of added sugar per day, according to the American Heart Association. Teens should consumer no more than 18-37 grams (138-285 calories) or 5 teaspoons of added sugar each day.
The American Heart Association recommends no more than six teaspoons (about 30 grams) of sugar per day for women, or nine teaspoons (45 grams) per day for men.And for men and women ages 19 to 30, the USDA recommends two cups of fruit per day.he American Heart Association recommends no more than six teaspoons (about 30 grams) of sugar per day for women, or nine teaspoons (45 grams) per day for men.