7 Things You Shouldn't Do on a Low-Carb Diet, According to Dietitians (2024)

If you're following a low-carb diet, like Atkins or the more restrictive keto diet, you're likely limiting carbs in favor of other macronutrients, like fat and protein. And while a low-carb eating pattern might help some people lose weight (at least in the beginning) there are certain things you should make sure you're doing to maintain as healthy a diet as possible while cutting down on carbs. When you reduce your intake of carbs, you might also end up cutting out fiber (which comes from foods like whole grains, fruits, beans and veggies) and other important nutrients. Dietitians recommending avoiding these other seven things that can make matters worse and prevent you from reaching your goals. It could also be helpful to work with a dietitian who can guide you through the process and help you avoid mishaps.

1. Don't Skimp on Veggies

"Any low-carb dietary pattern should include a lot of vegetables. These foods are naturally low-carb (think all green leafies, broccoli, cauliflower, zucchini, mushrooms, bell peppers and beyond)," says Ginger Hultin, M.S., RD, a spokesperson for the Academy of Nutrition and Dietetics. Maximize your intake, especially when restricting carbohydrates, to help you meet your needs for fiber and other key nutrients. Plus, they have high water content to help you beat bloating and stay hydrated and regular. Build half your plate with veggies to reap the benefits and help you fill up faster, too.

Try These Healthy Veggie Recipes

2. Don't Fear Fruit

Fruit is higher in carbohydrates, generally, than vegetables, but that doesn't mean that it doesn't deserve a place in your diet. Even if your diet doesn't allow for a lot of fruit, you can pick a few of your favorites that are lower in carbs and budget them into your carb bank. "Watermelon, berries and peaches can commonly be included even when restricting carbs. Don't forget that tomatoes and avocados are also fruits," says Hultin. With fruit you're getting a boost of fiber, vitamins and antioxidants.

Here's Why You Should Eat Fruit, Even Though it Contains Sugar

3. Don't Use It as an Excuse to Skip Your Workout

Thinking you don't need to exercise because you've cut down on carbs is the wrong idea, as physical activity is important for a healthy lifestyle and it can help speed up weight loss (if you're looking to drop pounds). Hultin says, "It's important to balance your healthy diet with daily physical activity, and both are needed for your health. If you're so focused on your diet that fitness goes to the wayside, or if you don't have enough energy due to lowering carbohydrate intake too much, it may be time to assess if the diet is working for you." A good mix of cardio and strength training is ideal, but the most important thing is to choose workouts that are enjoyable for you and feel the best for your body.

4. Don't Be Too Restrictive

Many popular comfort foods have carbs (think pasta, pizza, baked goods, desserts and more), and if you're too strict about your carb intake, you might feel like you're missing out on all your favorite treats. This can cause you to give up out of frustration or lead to bingeing.

"If you're feeling hungry, hangry or deprived on a low-carb (or any) diet, it's likely not sustainable and not a good quality of life," says Hultin. "Make sure that you're maintaining a positive relationship with food and with your body and that you're getting guidance from a qualified professional, like a registered dietitian, to help you better understand your unique needs and how not to feel deprived or restricted," she says.

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5. Don't Eat Too Much Bacon

Especially with super-restrictive high-fat, low-carb diets, like keto, it's often assumed that you can dig into fatty, greasy bacon as much as you like. "When going keto, fat is the primary source of fuel, so the goal is to have healthy fat in our diet. You certainly can get to a ketogenic state by eating tons of bacon, but this is not the healthiest way to do it," says Randy Evans, M.S., RDN, LD. "You can have some bacon, but not for every meal, every day." When you do have bacon, go for uncured options to help cut down on the added sodium and added sugar.

"The goal is to use a variety of healthy fat and protein sources," Evans says, which is important for everyone, whether or not you're on a low-carb diet. Include plenty of plant-based oils like olive oil and canola oil, and nuts and seeds to get more of those healthy mono- and polyunsaturated fats that our heart loves. Opt for leaner cuts of protein, seafood that delivers heart-healthy omega-3 fats (like salmon) and plant-based protein sources, like tofu, tempeh, beans and lentils.

See More: High-Protein Low-Carb Meal Plan

6. Don't Forget to Drink Water

It's not enough to just cut back on carbs to lose weight. You also need to drink plenty of water to stay hydrated, avoid constipation and keep your body functioning as it should.

When you're reducing your carb intake, you're also at a greater risk for dehydration because your body holds on to less water and is trying to pee out ketones. Hultin says, "Make sure that you're staying very well hydrated when entering into ketosis, especially if you're experiencing the keto flu. You can help your body adapt and lessen the symptoms of dehydration if you pay close attention to your water intake."

Keep a big bottle of water on your desk, set a timer to drink fluids or choose foods with a high water content, like watermelon, cucumbers and citrus, to help keep you hydrated. "Each individual should definitely meet with a registered dietitian to learn about their own water needs, but, generally, the 'adequate intake' is set at 15.5 cups (3.7 liters) for men and 11.5 cups (2.7 liters) a day for women," Hultin adds.

7. Don't Give Up All Starchy Veggies

While low-carb diets encourage you to eat mostly greens and low-carb veggies and limit starchy vegetables (as there are more carbs in things like potatoes, sweet potatoes and squash), you don't have to get rid of them completely. "You often hear 'I can't have starchy vegetables because it has too many grams of carbs,'" says Evans. But you can still follow a low-carb diet without giving them up completely. Including some starchy vegetables and fruit means you'll be getting more of those important nutrients that you might miss out on when cutting out too many carbs.

30 Healthy Low-Carb Foods to Eat

7 Things You Shouldn't Do on a Low-Carb Diet, According to Dietitians (2024)

FAQs

7 Things You Shouldn't Do on a Low-Carb Diet, According to Dietitians? ›

1. Sugary Foods. Most people already think of many of the foods in this category as unhealthy treats. Candy, soft drinks, and sweet desserts such as cake, chocolate, and ice cream are all expected entries on a list of carbs to avoid to lose weight.

What is the number one worst carb? ›

1. Sugary Foods. Most people already think of many of the foods in this category as unhealthy treats. Candy, soft drinks, and sweet desserts such as cake, chocolate, and ice cream are all expected entries on a list of carbs to avoid to lose weight.

What not to eat on a low-carb diet? ›

On a low carb diet, foods to avoid would include bread, pasta, potatoes, and other starchy vegetables, grains such as rice and corn, oatmeal, beans and lentils, milk, sugar, sweets such as cookies, candy and ice cream, beer, soda, and higher carb fruits like bananas, grapes, and apples.

Is peanut butter low carb? ›

Peanut butter is moderately low in carbs and contains both fiber and healthy fat. Its composition makes peanut butter a balanced food that can be added to keto diets, depending on how it's made. This chart reviews some different types of peanut butter and their carb content in a 2-tablespoon (32–37 gram) serving.

Is it OK to eat cheese on a low carb diet? ›

Food and drinks allowed on a no-carb diet include meat, fish, eggs, cheese, butter, oils, water, and plain coffee or tea. If you're less stringent, you can also eat nuts, seeds, non-starchy vegetables, and high fat fruits like avocado and coconut since these foods are low in net carbs.

What is the strictest low carb diet? ›

A strict low carb diet is often called a keto or ketogenic diet. It's not a no-carb diet, but it contains less than 20 grams of net carbs per day.

What foods are filling but low in carbs? ›

Meat, eggs, and seafood are low in carbs. You can also eat certain vegetables, including broccoli and eggplant, as well as fruit, such as avocado and apricots, on a low carb diet.

What junk food has no carbs? ›

Southern Recipe Original Pork Rinds. If you're ever craving something salty with a satisfying crunch, you can't go wrong with pork rinds. The Southern Recipe Original Pork Rinds is more suitable for your keto diet than potato chips, containing 0 grams of carbohydrates and 9 grams of protein per serving!

What cheese has no carbs? ›

Goat cheese is an excellent choice for someone following the keto diet. It contains 0 carbs, making it a great way to hit your macros — 1 ounce (oz) of goat cheese also offers 103 calories, 8 g of fat, and 6 g of protein, according to the U.S. Department of Agriculture (USDA).

Which carbs are worse? ›

Carbohydrates are broken down into two broad categories: simple and complex. Simple carbs are the bad kind. These are carbohydrates that have many of their necessary nutrients removed. Simple carbs are digested quickly, causing spikes in blood sugar and making you feel hungry sooner.

What carb foods should I avoid? ›

Simply put, when you follow a no-carb diet, you avoid all high carb foods. Specifically, try to eliminate whole and refined grains, baked goods, fruits, milk, yogurt, beans, legumes, pasta, bread, sugar-sweetened beverages, and starchy vegetables like peas and corn.

What are the worst carbs to eat after 50? ›

Cookies, candies, cakes, ice cream, and packaged sweet bakery items qualify as processed desserts. They share common traits like added sugars, refined flour, and unhealthy fats that make them problematic for health after 50. The added sugars and refined carbs in sweets and desserts cause rapid blood sugar spikes.

What carbs are the worst for belly fat? ›

"Eating refined carbs like bread, rice, pasta and cookies [in excess] will increase our belly fat. If we want to lose it, we should focus on eating nutrient- and fiber-rich carbs such as vegetables and low-glycemic fruits," says Djordjevic.

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