How much sugar is in the averaged glazed donut? We looked at the sugar content in the classic glazed donut of three leading brands: Krispy Kreme (10g), Dunkin' Donuts (12g), and Tim Hortons (23g). By taking the average of these three, we estimate that the averaged glazed donut has about 15g of sugar. Here's how other popular breakfast foods compare: Apple Cinnamon Cheerios with milk has 16 grams of sugar. Replace with classic Cheerios with milk for 7 grams of sugar. Yoplait Original Flavored Yogurt has 18g of sugar. Instead, try your favorite flavor in Yoplait Greek 100, which has 7g of sugar. Starbucks' 8-Grain Roll also has 18g of sugar. Opt for Starbucks' Cinnamon Raisin Bagel with butter instead with 11g of sugar. McDonald's Fruit & Maple Oatmeal packs 33g of sugar. For less calories and sugar (3g), order an Egg White Delight McMuffin, instead. Dunkin' Donuts Strawberry Banana Smoothie loads you up with 54g of sugar. Try the Egg & Cheese sandwich on an English muffin for just 2 grams of sugar. The World Health Organization recommends limiting added sugars to no more than 10% of your daily calories. That's no more than 50 grams of added sugar for a 2,000 calorie diet. So, don't let your sweet tooth reign supreme. The best road to good health is a balanced diet.