11 Foods Nutritionists Say You Should Avoid

It’s no secret that many of the “healthy” foods lining supermarket shelves are actually junk foods in disguise.Some we’re already aware of (were looking at you, fruit juice and flavoured yogurt), but others are so deep undercover that they’re probably a regular staple in our shopping trolleys. They flaunt their misleading health halos like it’s nothing—meanwhile, they’re loaded with added sugars and other naughty ingredients that are a total buzzkill for the body.

Which eats are so deceptive that even nutritionists won’t go near them?


Truth bomb: pre-sliced bread isn’t as healthy as it seems.

“The grain is highly heated in the process of turning the wheat berry into flour, which removes the natural vitamins, minerals and phytochemicals that would naturally be found in wheat,” says Louisiana-based registered dietitian Daphne Olivier.

Worse, the typical supermarket bread has up to four times more ingredients than what’s necessary to make bread, in an attempt to preserve it and maintain freshness. “Making the switch to a whole loaf of sprouted grain bread would be a better alternative,” says Olivier. “They contain nutrients that are easier to absorb and generally have less additives and preservatives in them.”


Porridge is encouraged as part of a balanced and nutritious breakfast—thanks to its high fibre content—but not all types of porridge are created equal. Flavoured instant porridge (think: golden syrup or apple and cinnamon) are often high in added sugar and sodium.

“Look for porridge varieties that list the first ingredient as ‘oats,’ and contain less than six grams of sugar and 140 milligrams of sodium per serving,” says Jacquelyn Costa, R.D., clinical dietitian at Temple University Hospital in Philadelphia. Or, choose steel-cut or rolled oats and flavour it using your own cinnamon, nutmeg and fresh fruit for a fibre-packed breakfast without unhealthy extras.


The differences between vegetable-enriched and regular pasta are so nutritionally insignificant that swapping one for the other doesn’t impact your health very much at all, says Emily Rubin, R.D., clinical dietitian at Thomas Jefferson University Hospital in Philadelphia. The legit healthier alternative: swapping your go-to pasta for spirallised vegetables.



A fried crisp is a fried crisp—it doesn’t matter if it’s a fried potato crisp or beetroot crisp (even though they are both tasty).

“The harmful ingredient isn’t (necessarily) the thing being fried but the saturated and trans fats being used in the frying process,” says Adrienne Youdim, M.D., physician nutrition specialist at the Centre for Nutrition in Beverly Hills. Plus, most veggie crisps have potatoes listed as their first ingredient and contain the same amount of calories as regular potato crisps, adds Rubin. Try making your own vegetable crisp from kale, carrots or zucchini—these provide less calories, sodium and fat, and are much more nutritious, she says.


Pre-made smoothies are often made using fruit juice or full fat milk as a base, making them not only high in calories, but high in added sugar and fat, says Costa. “A 56g commercial smoothie can be upwards of 200 to 1,000 calories, one to 30 grams of fat and 15 to 100 grams of added sugar,” she says.

Instead, make your own smoothies using frozen fruits and vegetables, low-fat milk, yoghurt and protein powder.



If you’re buying fat-free or reduced-fat peanut butter in an attempt to shed pounds or improve heart health, save your money—not only do both contain roughly the same amount of calories as regular peanut butter, but they’re pumped with added sugars to make up for the missing fat, says Lauren Blake, registered dietitian at the Ohio State University Wexner Medical Centre.

Ditching the “good” monounsaturated fats that naturally occur in peanut butter could also mean missing out on important health benefits. “Research suggests that individuals who include nuts and nut butters in their diets are less likely to develop Type 2 diabetes and may be protected from heart disease,” says Blake. Look for a natural peanut butter with an ingredient list that contains no added oils, cane sugar or trans fats.


Frozen meals that are marketed as low calorie and emphasise portion control often clock in at less than 300 calories per dish and lack vegetables and whole grains, leaving you hungry again in no time, says Costa.

These products also tend to be loaded with sodium to preserve freshness and can contain at least 600 milligrams of sodium or more per serving (the recommended daily intake for a healthy adult is no more than 2,300 milligrams, according to the Centre for Disease Control and Prevention, meaning one meal represents over 25% of your daily allotted intake). “As a healthier and more nutritious alternative, cook your favourite heart healthy recipes in bulk and freeze individual portions for convenience,” says Costa.



Sure, this delish snack conveniently gives you access to protein on the run, but most jerkies are full of sodium to preserve the meat.

“The increased sodium intake can cause water retention and bloating,” says Rebecca Lewis, R.D., the in-house dietitian at HelloFresh, as well as the potential effects of a high sodium diet on blood pressure. Lewis recommends opting for low sodium turkey jerky instead. “It’s just as delicious without all the salt,” she says.


Vegetarian “meat” products are often filled with a scroll of questionable ingredients, such as processed soy protein, canola oil, caramel coloring and xanthan gum.

“If you’re a vegetarian or plant-based eater and rely on meatless meals, choose whole protein sources such as beans, lentils, eggs, dairy, fermented soy, nuts and seeds most of the time,” suggests Blake. Also, be cautious of meat substitutes in a package and make sure to always check the ingredients list for real, whole food ingredients.

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“Pretzels are basically made out of sugar,” says Cara Walsh, R.D., of Medifast Weight Control Centrer of California. “The refined carb product contains no nutrients that are beneficial for health and aren’t satisfying, hence why so many people tend to overeat them.”


Many people assume that using fat free dressing is a healthy way to save calories. Not so.

In fact, you may be missing out on fully absorbing the nutrients in the veggies you’re eating. “Salads are full of greens, which contain fat soluble vitamins, essential minerals and antioxidants that protect our bodies from disease,” says Blake. “Without the addition of some healthy fat, our bodies are unable to fully absorb the nutrients in salads.” The more you know.


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