Pasta Sauce

Most people think of pasta sauce as a savory staple, but many store-bought jars are packed with added sugar. Recent studies from 2023, including reports from the American Heart Association, reveal that a single serving of some popular brands can contain as much as 7 to 12 grams of sugar—more than double what you might expect for a tomato-based product. Food manufacturers add sugar to balance acidity and enhance flavor, but that means even a modest helping can sneak extra grams into your meal. In fact, Consumer Reports found in 2024 that nearly 70% of tested pasta sauces had significant added sugars, not just natural sugars from the tomatoes. This can quickly add up, especially if you’re pouring on extra sauce. The next time you reach for a jar, check the nutrition label for “added sugars”—you might be surprised by what’s hiding inside.
Breakfast Cereal

Breakfast cereal is a morning go-to for millions, but it’s also one of the biggest sources of hidden sugar in the pantry. According to a 2024 study by the Centers for Disease Control and Prevention, some cereals aimed at children contain up to 40% sugar by weight. Even cereals marketed as “healthy” or “whole grain” often include several teaspoons of sugar per serving. For instance, a single cup of a popular “honey oat” cereal can have over 12 grams of sugar, which is about three teaspoons. The marketing often highlights fiber or vitamins but doesn’t always mention the sugar content upfront. This can set the tone for sugar cravings all day long, especially for kids.
Peanut Butter

Many people reach for peanut butter thinking it’s just peanuts and maybe salt, but a lot of brands add sugar to improve taste and texture. As reported in a 2024 Food Policy Review, some leading peanut butter brands contain up to 3 grams of sugar per serving—almost a full teaspoon in just two tablespoons. Natural and unsweetened varieties are available, but regular versions often include molasses or corn syrup. For anyone watching their sugar intake, this hidden sugar can make a big difference, especially if peanut butter is a daily habit. The added sugars often aren’t obvious unless you scan the ingredients list carefully.
Yogurt

Yogurt can feel like a healthy snack, but flavored yogurts, especially fruit-on-the-bottom or “dessert-inspired” varieties, are often loaded with sugar. Harvard researchers found in 2023 that a single serving of flavored yogurt can contain between 15 and 20 grams of sugar, which is as much as some candy bars. Even “light” or “low-fat” yogurts sometimes compensate for less fat with more sugar. Greek yogurt is sometimes a safer bet, but only if you choose plain or unsweetened varieties. The sugar content can be easy to overlook, especially when the packaging is covered in images of fresh fruit and claims of probiotics.
Bread

Bread is a staple in almost every household, but even the simplest loaves can contain surprising amounts of sugar. Data from the USDA in 2025 showed that many commercial sandwich breads have between 2 and 5 grams of sugar per slice—meaning a typical sandwich can deliver up to 10 grams without any added spreads. Sweeteners are often used to help bread rise and improve shelf life, but they can fly under the radar in whole wheat or multigrain varieties. For those managing blood sugar or just aiming to cut back, this can be a hidden obstacle. Always check the ingredients for names like “high-fructose corn syrup” or “evaporated cane juice.”
Salad Dressing

Salad dressing might seem like a light addition, but bottled dressings—especially the creamy or fruity varieties—are notorious for added sugars. A 2024 analysis by the National Institutes of Health found that some dressings have as much as 8 grams of sugar per two-tablespoon serving. This means a seemingly healthy salad can quickly become a sugar trap, especially if you use more than the recommended serving size. Even vinaigrettes, which sound simple, can contain honey, agave, or straight-up sugar to mellow out acidity. If you’re aiming to keep your sugar intake low, it’s worth whipping up your own dressing or at least reading the nutrition panel before pouring.