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  3. 12 Foods You Need to Stop Buying—and 17 You Should Eat More

12 Foods You Need to Stop Buying—and 17 You Should Eat More

By Jenn Sinrich
March 08, 2017
Each product we feature has been independently selected and reviewed by our editorial team. If you make a purchase using the links included, we may earn commission.
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The best and worst choices in every food group, according to registered dietitians.
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Are you eating as healthy as you think you are?

If you're eating a mix of fruits, vegetables, whole grains, and lean proteins, then you're probably pretty far ahead of the nutrition curve. But even if you're hitting your five-a-day, steering clear of the junk food aisle, and are at a healthy weight, there's still a chance you're making mistakes with your food choices without even realizing it. Not all foods are created equal—even the healthy ones—and you might not be getting as many vitamins and nutrients as you believe. In fact, you may inadvertently be loading your body with excess sugar and sodium. We asked top nutrition experts to identify the best and worst foods in every category—veggies, fruits, legumes, grains, proteins, dairy, and fats—so you can close the gaps on your nutritional needs.

RELATED: 10 Frozen Vegetables to Keep on Hand—and Tasty Ways to Use Them

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Best veggie: Dark, leafy greens

This veggie-packed meal is high in nutrients and low in calories—and it’s tasty to boot. The spinach in these sweet potato and spinach quesadillas contains iron, the sweet potatoes provide immune-boosting beta carotene, and the mozzarella cheese has bone-strengthening calcium. You get an immune boost from the beta carotene in the sweet potatoes, and 20% of your daily iron needs are met with this veggie quesadilla. Plus, this recipe provides more calcium than a glass of milk.

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Worst veggie: Anything in a can

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Canned veggies are often stripped of fiber and other nutrients, and are often loaded with sodium. If canned veggies are your go-to, you’ll experience decreased nutritional quality or, worse, unknowingly consume them with sugar, additives, sodium, or flavorings that detract from good nutrition and make it harmful.

If you need the convenience of canned vegetables, opt for frozen instead. They're just as healthy as fresh because they’re flash-frozen at the site of harvest. “They have no added sodium and are less wasteful, since you can cook only what you need and keep the rest in the freezer,” explains Rachel Brandeis, RDN. Plus, now frozen vegetables come in microwavable bags, which makes them very convenient for busy families trying to get veggies on the dinner table. (Just be sure you're buying plain vegetables, and not ones coated in any type of sauce.)

RELATED: 9 Smart Ways to Use Up Your Leftovers (and Save Lots of Time in the Kitchen)

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Best veggie: Kale, cauliflower, Brussels sprouts, and other cruciferous vegetables

Kale isn't the only nutritional superstar in the cruciferous vegetable category. Don't forget to also include cabbage, broccoli, Brussels sprouts, cauliflower and other cruciferous vegetables in your diet, as well. “Besides adding flavor to your meal, these veggies are packed with antioxidants and have been shown in multiple studies to help reduce cancer risk thanks to the phytochemical sulforaphane,” says Erin Palinski-Wade, RD, author of Belly Fat for Dummies. A study published in Clinics in Dermatology found that the carotenoids zeaxanthin and lutein, both found in cruciferous vegetables, may help protect the eyes against harmful UV rays from the sun and free radicals in the environment. “Aim to consume a minimum of 1 cup per day,” suggests Palinski-Wade. “If you’re not a fan of their texture, try pureeing cauliflower into a rice, which you can also make into a pizza crust!” (Here's a cauliflower rice recipe, as well as a recipe for cauliflower pizza crust.)

RELATED: 7 Health Benefits of Kale

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Worst veggie: Starchy vegetables

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Corn, peas, potatoes, pumpkin, squash, and yams tend to contain fewer vitamins and minerals and less fiber than other types of vegetables. Plus, they often contain two to three times as many calories per serving as their non-starchy vegetable counterparts. One recent study from Harvard University found that eating leafy greens and cruciferous veggies resulted in significantly more weight loss than potatoes, peas, and corn. “These types of vegetables are best eaten earlier in the day as they’re higher in carbohydrates,” says Roger Adams, PhD, a Houston-based nutritionist.

RELATED: 7 Health Benefits of Sweet Potatoes

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Best legume: Simply cooked beans

Chickpeas, black beans, and pinto beans provide an excellent meatless backbone for a healthful meal when combined with whole grains and vegetables. “These are especially good because they are whole-plant foods and are very rich in fiber and plant protein,” says Palmer. “Plus, consuming cooked beans has been linked with reducing your risk of chronic diseases and obesity.” You can cook them yourself or drain and rinse them from a can and add them to salads, soups, casseroles, or curry dishes such as Indian dal. Unlike canned vegetables, canned beans can be a healthy addition to your pantry—they're nutritionally equal, and as long as you rinse them before eating, you won't take in any extra sodium.

RELATED: 14 Genius Ways to Use Your Leftover Herbs Before They Go Bad

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Worst legume: Canned baked beans

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Unlike regular canned kidney or navy (white) beans, the leading brand of baked beans contains 3 teaspoons of sugar per serving, and 50% more sodium, says Nicole Rodriguez, RDN, registered dietitian nutritionist. Cut sugar and salt by making your own. Drain and rinse a can of navy beans and whip up a tomato-based sauce with a touch of barbecue sauce.

You should also be wary of canned bean soups. “Any kind of bean soup is full of fiber and protein, but you if you’re choosing a canned black bean soup or lentil soup, be sure you check to the label,” says Brandeis. “Many of these canned soups are loaded with sodium, well over 900 milligrams per serving.” Look for low-sodium versions with less than 500 mg per serving.

RELATED: 5 Bean-Free Keto Chili Recipes Pinterest Is Obsessed With

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Best fruit: Avocado

Here are a few creative ways you can use the superfood.

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Worst fruit: Processed fruit drinks

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Often marketed as "real juice," the labels on these products prove otherwise. They’re loaded with sugar, empty calories, and artificial sweeteners. Some companies try to get around the sugar in fruit beverages by adding artificial sweeteners that reduce the amount of sugar on the label, but those can increase cravings for sugary, salty, and unhealthy fatty foods. And it's not just bottled juices you should avoid. Juicing a whole fruit concentrates its sugars and often eliminates the fiber.

RELATED: Is Celery Juice Actually Healthy? Here's What a Nutritionist Thinks

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Best fruit: Berries

Here’s a morning smoothie that packs superfood punch. The berries contain antioxidants and phytonutrients that help power your heart, keep your mind sharp and kick start digestion. So watch the video for a demo and get your day started right.

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Worst fruit: Canned or dried fruit

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Fruit is naturally sweet, so it shouldn’t need any added sugar or "sugar-based flavor enhancers" often found in the canned kind. That can include heavy syrups, nectar, or honey. The added sugar only adds excess calories that are totally unnecessary. Dried fruit can also contain added sugar. “While they can add fiber and texture to trail mix, yogurt, oats, and home-made energy bars, they pack a serious caloric punch,” says Rodriguez. Think about it: a raisin is just a shriveled-up grape, so a cup of raisins is going to contain a lot more calories than a cup of whole grapes. “Mind portion sizes by checking the nutrition facts for sugar content and consume in moderation,” Rodriguez says.

RELATED: 5 Health Benefits of Blackberries (Including the Frozen Kind)

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Best fruit: Frozen fruit

There’s a smoothie bar inside practically every high-end gym, but that doesn’t mean all smoothies are healthy.

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Best grain: Whole grains

If your mornings are hectic, overnight oats are a nutritious and tasty meal that can be ready the moment you wake up. Watch this video to make one or an entire week's worth of breakfasts.

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Worst grain: White bread and pasta

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In refined grains—which include white bread, pasta, rice, crackers, and pretzels—the bran and germ are stripped away. “This type of grain has a higher glycemic index, meaning the sugars can be absorbed into the bloodstream faster, often causing a spike in blood sugar levels,” explains Palmer. This may lead to rapid digestion over consuming calories. “A good way to check whether something is whole or refined grain would be to make sure the first word on the bread or cereal label says ‘whole,’ which means whole grain-based bread,” explains Brandeis. “If the first ingredient is ‘wheat,’ that's a refined grain and offers less nutrition.” Aim for 48 grams of whole grains per day, suggests Brandeis.

RELATED: When You Eat Really Does Make a Difference—Here's Why

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Best grain: Ancient grains

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Ancient grains are called "ancient" because they haven't changed much in the last several hundred years, unlike modern types of wheat (which have been crossbred). Many ancient grains are nutritional powerhouses rich in protein (quinoa has the most), calcium (teff has more than any other grain), fiber, and an amino acid called lysine, which helps your body burn fat. Rodriguez loves farro: “With a pleasing, chewy texture and slightly nutty flavor, it’s an excellent source of fiber and iron and contains 7 grams of protein per serving,” she says. “Mix feta, fresh parsley, and a bit of fresh lemon juice into hot farro for a tasty accompaniment to chicken or salmon.” (Learn more about the ancient grains you need to try.)

RELATED: 5 Ancient Grains You Need to Try

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Worst grain: Sugary cereals

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You can't eat just one—serving, that is. A serving of cereal is just half a cup, and a big bowl may rack up as much sugar as a candy bar. “A good way to judge whether a cereal is too high in sugar is to avoid brands with more than 12 grams per serving,” says Brandeis. Those are usually the ones that are at eye level in the cereal aisle and are strategically positioned so little ones can easily see them. “If you really enjoy the high sugar-based cereals, try filling your bowl with half high-sugar cereal and half low-sugar cereal to dilute the amount of added sugar,” she says.

RELATED: We Taste-Tested Hundreds of Healthy Snacks—and These Are the Best Ones

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Best grain: Oatmeal

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Oats are rich in omega-3 fatty acids, folate, fiber, and potassium, making them a heart-healthy food that lowers cholesterol and burns fat. Avoid packaged packets, which are swimming in added sugar. Instead, use plain old-fashioned oats, and sweeten them with fruit and honey. Want to save time in the morning? Try this recipe for overnight oats.

RELATED: 6 Easy Sources of Protein You Might Be Overlooking and Shouldn't

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Best protein: Fish

This salad combines plenty of nutrient-dense superfoods into one delicious dish. Watch this video for a quick demonstration of the grapefruit and avocado salad with seared salmon.

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Worst protein: Red meat

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The case against red meat (which includes beef, pork, and lamb) seems to grow stronger by the day. It can be high in cholesterol and saturated fat, and eating a lot of it has been linked to several chronic health conditions, including heart disease and type 2 diabetes. And in January, two new studies provided even more reasons to cut back on burgers. The first found that red meat may raise the risk for diverticulitis, a common inflammatory bowel condition, and the second found a link between consumption of grilled, smoked, and barbecued meat and higher rates of early death among breast cancer survivors.

RELATED: 5 Healthy and Satisfying Meals Nutritionists Love to Make at Home

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Best protein: Chicken

Skinless chicken has less saturated fat than red meat. It's an excellent source of niacin, which helps the body turn food into fuel, as well as selenium, which is important for cognitive function and immune system health. Plus, it's packed with protein and low in calories. One 3.5-ounce breast packs 31 grams of protein for just 165 calories.

RELATED: Chicken Is the Number One Cause of Foodborne Illness Outbreaks. Here's How to Stay Safe

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Worst protein: Processed meats

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It’s always a good idea to limit processed foods of all types when making healthy food choices—and proteins are no exception. “Processed meats, like deli meats, hot dogs, sausages, and cured selections tend to be high in sodium, preservatives, and saturated fat,” says Adams. Although an occasional sausage or hot dog is fine, research suggests eating it regularly may increase the risk of heart disease and colorectal cancer.

RELATED: Go Flexitarian: Eat Less Meat and More Veggies in 3 Weeks

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Best protein: Tofu

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Tofu contains 10 grams of protein per serving, making it a great plant-based protein for anyone, but especially vegetarians and vegans. “It’s basically the curd of soybeans pressed into a sliceable cake that can become firm and sub in quite nicely for meat,” explains Palmer. “Studies link consuming moderate amounts of tofu with lots of benefits, including heart health and even cancer protection.” Use it in stir-fries, curry dishes, lasagna, and vegetable scrambles.

RELATED: 13 Vegan Breakfast Recipes That Are Seriously Delicious

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Best protein: Nuts