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Trying to lose weight but unable to? 6 foods that block fat burning process

Losing weight is not about eating less, it’s about eating right. Most doctors will confirm that successful dieting is not about extreme denial but rather removing specific foods that work against your goals.

February 09, 2026 / 07:28 IST
Counting calories and practicing portion control, but still not able to burn fat? Well, health professionals stress that the quality of food is more important than its quantity. (Picture: Pexels)
Snapshot AI
  • Processed foods, sugary drinks, and refined carbs hinder weight loss efforts.
  • Doctors recommend prioritizing food quality over calorie counting or portion control.
  • Avoiding fried foods and artificial sweeteners aids weight loss.

When you’re on a diet, it matters just as much what you refuse to eat as what you consume. What most doctors don’t tell you is that certain everyday foods can take away necessary nutrients, block fat-burning and/or increase your cravings—making your dieting spirit feel like a waste energy.

Dieting tends to focus, in a reductive way, on calorie counting and portion control but health professionals stress that the quality of food is more important than its quantity for people who want to lose and keep off weight. Most of the time, we are eating foods we think are innocent, or even helpful to our diets (fat loss/ blood sugar balance/appetite regulation), only to find out they’re sabotaging our bodies ability to utilize stored fat for energy. These invisible dietary red flags can sabotage success and be the source of great frustration while you are dieting.

“Losing weight is not about eating less, it’s about eating right,” says Dr. Kunal Awasthi, MBBS, MD, Consultant Endocrinologist and Lifestyle Medicine Specialist at RenewFit. Processed foods, hidden sugars and refined carbohydrates disrupt hormones that regulate hunger and metabolism, he added, making dieting so much more difficult than it has to be.

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Insulin spikes, inflammation and water retention can be enhanced by exposure over time to these foods which creates the illusion that a diet plan is not working. Recognise and remove these (red flags) sooner, so the body does better with the nourishment from food, has more energy and can have better success reducing fat over time. Most doctors will confirm that successful dieting is not about extreme denial but rather removing specific foods that work against your goals.

Sugar-Sweetened Beverages and Packaged Fruit Juices

One of the largest diet saboteurs is sugary drinks. Even though fruit juices are labeled as “all natural,” they still lack fiber and have concentrated sugar.

“When you are dieting, your liquid calories jolt your blood sugar levels and stimulate fat storage,” says Dr. Awasthi. Unsweetened water, infused water and herbal tea is a much better alternative.

Carbs and Flour Products

White bread, biscuits, cakes and noodles are all low in fibre so leave the stomach quickly – leading to more hunger. “Such foods elevate insulin levels and induce fat storage,” Dr. Awasthi says. Something that will keep you full for long is whole wheat, oats or brown rice.

Fried Foods/Reused Cooking Oils

Deep fried and fast foods are full of bad fats and calories.“When you reheat oils, toxic compounds are formed, which can increase inflammation in the body and lead to a slower metabolism,” Dr. Awasthi cautions.

“Low-Fat” and “Diet” Packaged Foods

Many low-fat products make up for lost flavour with added sugar, starch and artificial additives. “All of these foods can often be hunger and craving-promoting rather than solving cravings,” says Dr. Awasthi. real foods with real fat are more successful in losing the weight.

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Processed Meats and Ready-to-Eat Foods

Hot dogs, deli meats and microwave meals all have preservatives and high sodium. “They are water retainers and make you bloated, so they cover the actual fat loss,” says Dr. Awasthi. Fresh sources of protein from foods such as eggs, legumes, fish and lean meats are better choices.

Artificial Sweeteners and Excess Salt

The synthetics in artificial sweeteners mess with gut health and make you crave sugar; too much salt makes you bloat. “When you are dieting, balance is the key — overuse of these items may decelerate the results,” says Dr. Awasthi.

Physicians say cutting out the most basic diet red flags can lead to a drastic improvement in weight loss.

FAQs on foods to avoid during weight loss:

Q. Why does diet matter during weight loss?

Because food choices directly affect calorie intake and metabolism.

Q. Which foods should be avoided the most?

Sugary foods, fried items and ultra-processed snacks.

Q. Are refined carbohydrates bad for weight loss?

Yes, they cause blood sugar spikes and increase hunger.

Q. Should sugary drinks be avoided?

Yes, they add empty calories without fullness.

Q. Are packaged “healthy” foods always safe?

No, many contain hidden sugar and fats.

Disclaimer: This article, including health and fitness advice, only provides generic information. Don’t treat it as a substitute for qualified medical opinion. Always consult a specialist for specific health diagnosisac

Nivedita is a Delhi-based journalist who writes on health, fashion, lifestyle and entertainment. Views expressed are personal.
first published: Feb 9, 2026 07:28 am

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