Dark chocolate is rich in cocoa solids, which contain compounds known as flavonolds. At high levels, cocoa flavanols have been shown to help lower blood pressure and cholesterol, improve cognition and possibly lower the risk of diabetes. But limit your portions to about 1 ounce a day.
Dark chocolate is rich in cocoa solids, which contain compounds known as flavonolds. At high levels, cocoa flavanols have been shown to help lower blood pressure and cholesterol, improve cognition and possibly lower the risk of diabetes. But limit your portions to about 1 ounce a day.
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When it comes to fat and calories, some cheeses are lighter than others. Experts recommend using it as a flavor enhancer rather than as the focus of a meal.
When it comes to fat and calories, some cheeses are lighter than others. Experts recommend using it as a flavor enhancer rather than as the focus of a meal.
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Granola contains healthy ingredients such as oats, nuts and dried fruit, and it can serve as a tasty topping to yogurt or cereal. But since it can pack up to 600 calories per cup (thanks to sugar and other ingredient treats), it's important to sprinkle, not pour.
Granola contains healthy ingredients such as oats, nuts and dried fruit, and it can serve as a tasty topping to yogurt or cereal. But since it can pack up to 600 calories per cup (thanks to sugar and other ingredient treats), it's important to sprinkle, not pour.
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Ready-to-eat breakfast cereal can make for a convenient and healthy breakfast, especially if it's made with whole grains, is low in sugar and is served with fresh fruit and low-fat milk. But sugary cereals that lack fiber and protein can cause a blood sugar spike and crash before lunchtime.
Ready-to-eat breakfast cereal can make for a convenient and healthy breakfast, especially if it's made with whole grains, is low in sugar and is served with fresh fruit and low-fat milk. But sugary cereals that lack fiber and protein can cause a blood sugar spike and crash before lunchtime.
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Order a California roll, and you'll get heart-healthy monounsaturated fats from avocado and zinc from crab, all for 255 calories. But a crunchy shrimp tempura roll, which is battered and fried and often drizzled with spicy mayo, has about 200 more calories and three times the amount of fat.
Order a California roll, and you'll get heart-healthy monounsaturated fats from avocado and zinc from crab, all for 255 calories. But a crunchy shrimp tempura roll, which is battered and fried and often drizzled with spicy mayo, has about 200 more calories and three times the amount of fat.
Sean Gallup/Getty Images
Air-popped popcorn is a healthy, whole-grain, antioxidant-rich snack that's low in calories. But movie theater popcorn, which is popped in coconut oil, is a diet disaster, contributing 1,200 calories and about three days worth of saturated fat for a medium bucket -- and that's without the buttery topping.
Air-popped popcorn is a healthy, whole-grain, antioxidant-rich snack that's low in calories. But movie theater popcorn, which is popped in coconut oil, is a diet disaster, contributing 1,200 calories and about three days worth of saturated fat for a medium bucket -- and that's without the buttery topping.
Floortje/iStockphoto/Getty Images
A Greek yogurt with no added sugar makes for a filling protein- and calcium-rich snack. But sweetened yogurts with flavorings or fruit purees have less protein and are more like dessert, with up to 8 teaspoons of sugar.
A Greek yogurt with no added sugar makes for a filling protein- and calcium-rich snack. But sweetened yogurts with flavorings or fruit purees have less protein and are more like dessert, with up to 8 teaspoons of sugar.
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Energy bars can be a wise choice for a snack or mini meal if they offer a healthy dose of protein and fiber, and are low in sugars and saturated fat. But when they contain chocolate coatings or sugary syrups, they can pass for protein-fortified candy bars.
Energy bars can be a wise choice for a snack or mini meal if they offer a healthy dose of protein and fiber, and are low in sugars and saturated fat. But when they contain chocolate coatings or sugary syrups, they can pass for protein-fortified candy bars.
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A salad made with spinach, light tuna, veggies, feta and yogurt dressing can make for a low-calorie, nutrient-rich lunch. But when your salad contains crispy chicken, bacon, cheddar and ranch dressing, you'd be better off eating a burger.
A salad made with spinach, light tuna, veggies, feta and yogurt dressing can make for a low-calorie, nutrient-rich lunch. But when your salad contains crispy chicken, bacon, cheddar and ranch dressing, you'd be better off eating a burger.
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If you are vegetarian, peanut butter can be a convenient way to add protein and heart-healthy fats to your diet. Just steer clear of flavored peanut butters with sugar and cocoa butter, which can quickly turn your passion for peanut butter into consumption of calorie-rich chocolate.
If you are vegetarian, peanut butter can be a convenient way to add protein and heart-healthy fats to your diet. Just steer clear of flavored peanut butters with sugar and cocoa butter, which can quickly turn your passion for peanut butter into consumption of calorie-rich chocolate.
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10 foods that are healthy, except when they aren't

Story highlights

Don't be fooled by the word "energy"

Some energy bars contain as much saturated fat as a Snickers bar

CNN  — 

Energy bars are a convenient source of nutrition and come in a wide variety of flavors to satisfy different palates. They are often fortified with vitamins and minerals, which can help fill nutritional gaps.

But, like many foods in a specific category, not all energy bars are created equal. Those that are low in saturated fat and sugars, with a decent amount of protein and fiber, can provide a nutritious, satisfying pick-me-up. Others can closely mimic a candy bar. For example, some bars covered in chocolate contain as much saturated fat as a Snickers bar; others contain almost as much sugar.

Granola bars are a convenient source of nutrition, but can vary significantly in terms of nutrition.
Granola bars are a convenient source of nutrition, but can vary significantly in terms of nutrition.
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Energy bars containing mostly fruit and nuts can serve as satisfying snacks. But if you’re looking for a meal replacement, aim for a bar with a higher amount of protein: about 10 to 20 grams. Athletes can also benefit from choosing a bar with more protein and carbohydrates, as their needs are higher.

A picture taken on February 10, 2015 in Paris shows a bowl of popcorn. To most people, it may be just a fun food to munch while watching a movie. But to a couple of French investigators, popcorn is a biomechanical enigma waiting to be explained. In an unusual study published on February 11, engineers Emmanuel Virot and Alexandre Ponomarenko carried out experiments into what makes popcorn, well, pop. Cameras recording at 2,900 frames per second helped show what happened when a kernel of corn strutted its stuff. AFP PHOTO / LOIC VENANCE (Photo credit should read LOIC VENANCE/AFP/Getty Images)
A picture taken on February 10, 2015 in Paris shows a bowl of popcorn. To most people, it may be just a fun food to munch while watching a movie. But to a couple of French investigators, popcorn is a biomechanical enigma waiting to be explained. In an unusual study published on February 11, engineers Emmanuel Virot and Alexandre Ponomarenko carried out experiments into what makes popcorn, well, pop. Cameras recording at 2,900 frames per second helped show what happened when a kernel of corn strutted its stuff. AFP PHOTO / LOIC VENANCE (Photo credit should read LOIC VENANCE/AFP/Getty Images)
LOIC VENANCE/AFP/Getty Images

Related article Is popcorn healthy?

You can afford more calories if bars are consumed in place of meals and not as snacks. But if a bar is intended only to tide you over until dinner, limit it to 150 to 200 calories.

In general, try to aim for bars with less than 3 grams of saturated fat and at least 4 grams of fiber. Palm kernel oil in yogurt and chocolate coatings will boost saturated fat. Also watch out for bars with ingredients such as brown rice syrup or cane invert syrup listed first, as they are generally higher in sugars than others and are better suited for athletes, not weight watchers.

Note that some bars contain sugar alcohols such as maltitol or erythritol, to lower the sugar content. Because they are not fully absorbed, sugar alcohols provide fewer calories than sugar – but they can also cause some gastrointestinal distress.

yogurt STOCK
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Related article Is yogurt healthy?

One last point: Don’t be fooled by the word “energy.” In the nutrition world, energy is synonymous with “calories,” and all food gives you energy because it provides calories. There’s nothing magical about energy bars in and of themselves, and they won’t give a boost in strength or focus unless you’ve been skipping meals and snacks.

Additionally, energy bars shouldn’t take the place of whole foods, especially fruits, vegetables, whole grains and nuts, which provide a package of beneficial nutrients that are important not only for energy but for overall health.

So stock up on a stash of healthful energy bars to keep in your bag or at your desk and enjoy them on days that don’t allow for a break to sit and eat. Just don’t make them the main staple of your diet.

Seven energy bars that meet the above recommendations:

  • SimplyProtein’s Maple Pecan protein bar: 150 calories; 5g fat; 0.5g sat fat; 16g protein; 7g fiber; 1g sugar
  • PowerBar’s Plant Protein snack bar: 230 calories, 2.5g sat fat, 10g protein, 8g fiber, 10g sugars
  • Kind Snacks’ Cranberry Almond + Antioxidants with Macadamia Nuts bar: 190 calories, 13g fat, 1.5g sat fat, 4g protein, 5g fiber, 8g sugar
  • Luna Whole Nutrition Bars’ Chocolate Peppermint Stick: 190 calories, 2.5g sat fat, 8g protein, 4g fiber, 8g sugar
  • Kashi’s GoLean Plant-Powered Dark Chocolate Cashew Chia bar: 200 calories, 2g sat fat, 8g protein, 4g fiber, 8g sugars
  • Lärabar’s Apple Pie: 190 calories, 1g sat fat, 4g protein, 5g fiber, 18g sugar
  • Pure Protein Plus’ Apple Pie bar: 190 calories, 1.5g sat fat, 20g protein, 16g fiber, 3g sugar (2g sugar alcohols)

Lisa Drayer is a nutritionist, author and health journalist.