How Much Sugar Should a Kid Have in a Day?

Children should have no more than 25 grams of added sugar per day, which works out to about 6 teaspoons. That’s the recommendation from the American Heart Association for kids ages 2 through 18. For children under 2, the guidance is even stricter: no added sugar at all.

The 25-Gram Daily Limit

The 25-gram ceiling applies broadly across childhood and adolescence. It equals roughly 100 calories from added sugar, or about 6 teaspoons. To put that in perspective, a single 12-ounce can of Coca-Cola contains 41 grams of sugar, nearly double a child’s entire daily allowance in one drink.

The World Health Organization takes a slightly different approach, recommending that both children and adults keep “free sugars” (which includes added sugars plus sugars in honey, syrups, and fruit juice) below 10% of total daily calories, with an ideal target of under 5%. For a child eating around 1,500 calories a day, 5% would land right around that same 19-gram mark, reinforcing the AHA’s 25-gram upper limit as a solid number to aim for.

A quick conversion tip: 4 grams of sugar equals one teaspoon. So when you’re scanning a nutrition label, divide the grams of added sugar by four to get the teaspoon count.

Why Under 2 Is Different

Both the AHA and the CDC recommend that children younger than 2 not consume any foods or beverages with added sugars. At that age, every bite matters for growth and brain development. Foods sweetened with sugar tend to displace the nutrient-dense foods toddlers actually need, and early exposure to sweet flavors can shape taste preferences for years.

What Happens When Kids Get Too Much

Excess added sugar in childhood is linked to a chain of health problems that can start earlier than most parents expect. Higher intake of sugary drinks and added sugars is strongly associated with excess weight gain and increased obesity risk. But the effects go beyond weight. Kids who consume more added sugar tend to develop higher levels of harmful blood fats, more belly fat, and greater overall calorie intake, all of which are established risk factors for heart disease later in life.

One longitudinal study following 592 adolescents found that higher fructose consumption at age 14 was independently associated with increased odds of non-alcoholic fatty liver disease by age 17. That’s a condition once considered rare in young people.

Sugar also fuels tooth decay, and frequency matters as much as quantity. A child who sips on a juice box over the course of an hour exposes their teeth to repeated acid attacks, which is more damaging than consuming the same amount of sugar in one sitting during a meal. The landmark Vipeholm study established decades ago that both the amount and the frequency of sugar consumption drive cavity formation.

Where the Sugar Hides

Most parents know that candy and soda contain sugar. The trickier sources are the foods that seem healthy. A 6-ounce container of flavored yogurt can contain 10 grams of added sugar, nearly half a child’s daily limit, before they’ve touched anything else. And 12 ounces of 100% orange juice contains about 41 grams of sugar. While that sugar is naturally occurring rather than “added,” it still delivers the same metabolic hit without the fiber that whole fruit provides. Grape juice is even higher at 63 grams per 12 ounces.

Breakfast cereals, granola bars, flavored oatmeal packets, ketchup, pasta sauce, and even bread can contribute surprising amounts. These incremental doses add up fast when you start tallying a full day of eating.

Reading Labels Without Getting Tricked

Since 2020, US nutrition labels are required to list “Added Sugars” separately from total sugars, which makes the math much easier. Look for that line specifically, because total sugars includes the naturally occurring sugars in milk or fruit, which aren’t the concern here.

The ingredient list is where things get sneaky. Sugar goes by at least 61 different names on food packaging. Some of the most common ones to watch for: high-fructose corn syrup, dextrose, maltose, corn syrup solids, cane juice, rice syrup, barley malt, and fruit juice concentrate. If several of these appear scattered throughout an ingredient list, the product likely contains more sugar than any single name would suggest. Manufacturers sometimes use multiple types of sugar so that none of them appear as the first ingredient.

Practical Ways to Stay Under 25 Grams

Tracking every gram isn’t realistic for most families, but a few targeted swaps make a big difference. Replacing flavored yogurt with plain yogurt and adding fresh berries cuts 8 to 10 grams in one move. Switching from juice to whole fruit eliminates a major source entirely while adding fiber that slows sugar absorption. Water, plain milk, and sparkling water with a squeeze of citrus cover most of what kids actually need to drink.

For snacks, consider how quickly sugar stacks throughout the day. If a child has a flavored yogurt at breakfast (10 grams), a granola bar at school (7 to 12 grams), and a small cookie after dinner (5 to 8 grams), they’ve already hit or exceeded 25 grams without touching any soda or candy. Planning meals with this running total in mind helps keep the overall number manageable without requiring kids to feel deprived.

Keeping sugary foods to mealtimes rather than spreading them across the day also helps protect teeth, since saliva production during meals helps neutralize the acids that sugar-feeding bacteria produce.