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The Worst Smoothies at the Supermarket for Weight Loss

Fruity sips and summertime are practically synonymous. As are busy mornings and grab-and-go breakfasts—so it's easy to see the appeal of store-bought smoothies. They seem like the best way to get what you crave in a pinch.

But the timesaving drinks have a downside: Compared to fresh-made drinks, most of them fall short on nutrition and are so calorie- and sugar-filled that you'd have to spend hours on the treadmill to burn them off. And if you're trying to lose weight, distinguishing between weight loss smoothies and these diet disasters is even more important. A good-for-you smoothie is free of artificial ingredients, filled with satiating fiber and made from whole, natural produce. The smoothies below fit none of those criteria. Keep them out of your shopping cart to stay on track toward your flat-belly goal.

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Naked Protein Juice Smoothie Banana Chocolate, 15.2 fl. oz bottle

Calories 480
Fat 2.85 g
Saturated Fat 0.95 g
Carbs 78 g
Fiber 1.9 g
Sugar 64.6 g
Protein 30.4 g

With a whopping 30 grams of protein, this is one of the most protein-rich smoothies on the market — too bad it's also one of the most caloric. And since the majority of the bottle is filled with grape juice instead of whole fruit, there's little fiber to offset the massive sugar surge. Translation: You'll be starving soon after you finish off your breakfast—despite all of the calories. There's more bad news: Even the chocolate in the bottle isn't the healthy type. Naked uses alkali-processed cocoa powder, which means it has been stripped of its heart-healthy properties.

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Bolthouse Farms Amazing Mango Fruit Smoothie, 15.2 fl. oz bottle

Calories 204
Fat 0 g
Saturated Fat 0 g
Carbs 72.2 g
Fiber 0 g
Sugar 66.5 g
Protein 3.8 g

Bolthouse may dub this bottled sip a smoothie, but a quick scan of the ingredient panel reveals it's more of a juice thickened with some banana — that explains the low fiber count. What's more, it's filled with nearly two 8-ounce servings. Though you may have every intention of saving the second half for later, that rarely — if ever — happens. Do your waistline a favor and stay far away from this bottle.

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Frusion Fruit Yogurt Smoothie, Wild Berry Blend, 8 fl. oz bottle

Calories 180
Fat 2.5 g
Saturated Fat 1.5 g
Carbs 35 g
Fiber 0 g
Sugar 31 g
Protein 5 g

We give Fusion props for being one of the only beverages on this list that uses real fruit puree, but, unfortunately, that's the only thing they've done right. The second ingredient on the nutrition panel after milk is sugar—not something you expect to find in a drink that's supposed to get its sweetness from fruit and fruit alone. What's worse, the drink relies on caramel color — a possible human carcinogen — to give it its dark hue. Yuck!

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Dannon DanActive Strawberry + Blueberry, 3.1 fl. oz bottle

Calories 70
Fat 1 g
Saturated Fat 0 g
Carbs 14 g
Fiber 0 g
Sugar 13 g
Protein 3 g

Get this: Ounce for ounce this "health" drink has more calories than a Mountain Dew! It gets worse: Though it says "Strawberry + Blueberry" on the label, this bottle doesn't contain any actual fruit. In fact, the only type of produce inside this bottle are black carrots, which are only used for coloring. If the ingredients of any beverage you pick up sound more like a science experiment than a meal, it's a clear sign you should leave it on the shelf.

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Activa Prune Flavored Smoothie, 7 fl. oz bottle

Calories 160
Fat 3 g
Saturated Fat 2 g
Carbs 28 g
Fiber 0 g
Sugar 25 g
Protein 6 g

Activia claims their smoothie can help reduce the frequency of digestive issues like bloating, gas and discomfort, ironic considering the beverage contains xanthan gum, a thickener that's been linked to intestinal discomfort and pain. The drink is primarily made up of milk, milk byproducts and sugar—not prunes like the image on the packaging would have you believe. In fact, the fruit makes up less than 1 percent of the entire drink.

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Stonyfield Farm Peach Smoothie, 9.9 fl oz bottle

Calories 230
Fat 3 g
Saturated Fat 2 g
Carbs 41 g
Fiber <1 g
Sugar 40 g
Protein 10 g

If you wouldn't dare drink an Orange Crush Soda, stay far away from this smoothie. Sure it's all natural, which is a step up from a chemical-doused pop, but ounce-for-ounce it carries far more sugar. Its recipe also calls for pectin, natural fruit fiber that sticks to antioxidants like beta-carotene, lycopene and lutein, carrying them out of your system before your body can benefit from their health-boosting properties.

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Odwalla Strawberry C Monster Smoothie, 15.2 fl oz bottle

Calories 300
Fat 0 g
Saturated Fat 0 g
Carbs 71 g
Fiber 1 g
Sugar 54 g
Protein 4 g

Newsflash: Drinking 54 grams of sugar won't quench your thirst or satisfy your hunger. Odwalla Strawberry C Monster Smoothie really is a monster, and one that will round out those hard-earned flat abs at that. Stay away at all cost.

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Dana Leigh Smith
Dana has written for Women's Health, Prevention, Reader's Digest, and countless other publications. Read more about Dana Leigh
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