Food

5 ‘Healthy’ Snacks That Are Actually Packed With Sugar And Fueling Weight Gain, Experts Say

October 16, 2025 by Faith Geiger
shefinds | Food
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Some snacks that seem like a smart choice for your waistline are secretly packed with sugar—which we all know can lead to a lot of health risks over time. Unfortunately, many options that seem healthy on the surface (and are even marketed as such) can spike your blood sugar, increase cravings, and even lead to unwanted weight gain over time.

We spoke to Kathleen McDermott, MSN, RN, Certified Women’s Health Coach to get a low-down on some of the most deceiving options on grocery store shelves. From flavored yogurts to store-bought granola, these sneaky snacks may be derailing your healthy eating goals: granola, muffins, yogurt, trail mix, and even peanut butter. Learn more about the risks of each below.

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granola at grocery store

1. Sugary Granola

We love a crunchy parfait packed with granola as much as the next person, but it's important to be mindful of the type of granola you're adding to the mix if you're watching your weight. While granola (like trail mix) boasts nutritious ingredients like nuts, oats, and seeds, store-bought options often contain a significant amount of added sugar. "Make your own toasted oats, coconut, nuts, and seeds granola; after toasting, add craisins and dark chocolate for some sweetness," McDermott recommends as an alternative to pre-packaged varieties.

bran muffins

2. Bran Muffins

If you're craving something carby and sweet for breakfast, bran muffins could sound like the perfect healthy compromise, especially when compared to choices like sugary pastries and donuts. Unfortunately, while bran itself is nutritious, it loses its health benefits when combined with high levels of sugar and fat in muffin form. McDermott recommends substituting sugar with applesauce and honey in bran muffin recipes to reduce inflammation and promote weight loss.

yogurt at grocery store

3. Sweetened Yogurt

When you eat the right type of yogurt, it can be a perfect healthy snack or breakfast. However, while it may be tempting to choose flavored options, these can take a toll on your health, potentially resulting in inflammation and weight gain. "Many average-sized cups of flavored yogurt have 30 grams of sugar, equivalent to 7.5 teaspoons. Many chocolate bars have the same amount of sugar!" McDermott tells us. She advises opting for plain Greek yogurt (which is packed with benefits!) instead, and adding natural sweeteners like honey, nuts, and fresh berries. Sounds perfect!

trail mix

4. Trail Mix

Trail mix is considered one of the healthiest snacks around—and in some cases, this is accurate. However, it all depends on the type of trail mix you choose. "Many packaged types of trail mix have a high amount of added sugar and sodium, which can contribute to inflammation and weight gain," McDermott warns. To avoid overconsumption, she advises, "Measure out a portion and put the bag away. Or make your own toasted oats, coconut, nuts, and seeds granola; after toasting, add craisins and dark chocolate for some sweetness." Yum!

peanut butter

5. Some Peanut Butters

Who can resist some good old PB&J? Don't fret; there are certainly healthy peanut butters out there. Plus, when paired with apples, it makes a classic, healthy snack. However, McDermott gives a word of caution against certain varieties: "Peanut butter, while delicious, can easily become a high-calorie, weight-gain food," she says. She advises opting for all-natural peanut butter without added salt, sugar, or vegetable oil and being mindful of portion sizes. Got it!

Author:

Freelance Writer

Faith Geiger is a New York-based writer and editor. When she's not covering the latest in health and wellness for SheFinds, she spends her time watching reality TV with her roommates, browsing used bookstores, and enjoying live music. You can reach Faith at [email protected].

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