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AIIMS-trained gastroenterologist reveals 5 food types loaded with hidden sugars that mostly slip under the radar

Updated on: Jan 6, 2026, 12:09:11 IST
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Ketchup comes loaded with hidden sugar despite being a savoury condiment, shares Dr Sethi. (Unsplash)
Ketchup comes loaded with hidden sugar despite being a savoury condiment, shares Dr Sethi. (Unsplash)

Dr Sethi notes that foods that are apparently considered sugar-free and even healthy like protein bars and baked chips can have quantities of sugar inside.

Counting calories is an essential part of both losing weight and staying fit. For the health enthusiasts among us, that involves avoiding sugars as much as possible. Foods laden with high amounts of sugar are often known as ‘empty calories,’ since they are low in nutritional value.

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However, sugar is not apparent in all foods in which it is present, noted Dr Saurabh Sethi, California-based gastroenterologist trained in AIIMS, Harvard, and Stanford Universities.

Taking to Instagram on January 6, Dr Sethi revealed that patients often claim to “barely eat sugar” as part of their daily diet. However, their sugar intake remains high as it often hides in food that is labelled “healthy.” He went on to list five such categories of food that can silently derail sugar-free diet plans.

1. Drinks and smoothies

According to Dr Sethi, drinks and smoothies are the biggest source of hidden sugars. “Liquid sugar hits the liver fast and doesn’t trigger fullness,” he cautioned. Examples include:

  • Juices
  • Smoothies
  • Flavoured coffee drinks
  • ‘Vitamin’ waters

2. Flavoured yoghurt

Most people are surprised by flavoured yoghurts being loaded with sugars. Dr Sethi stated that many of them have as much sugar as a dessert, while lacking in fibre. These include:

  • Fruit-on-the-bottom yoghurt
  • Drinkable yoghurt
  • Kid’s yoghurt

3. Breakfast foods

“Morning sugar adds up quickly,” warned the gastroenterologist, adding, “Starting the day with sugar drives cravings all day.” Such breakfast items include:

  • Cereals
  • Granola bars
  • Instant oatmeal packets

4. Sauces and dressings

While sauces and dressings fall under savoury foods based on the flavour profile, they can also be a source of sugar. These include:

  • Ketchup
  • BBQ sauce
  • Teriyaki
  • Salad dressings
  • Pasta sauce

5. ‘Healthy’ snacks

Many snacks are marketed as “healthy.” However, studying their labels tells a different story. Some such snacks are:

  • Protein bars
  • Energy balls
  • Trail mix
  • Baked chips

Effects of consumption of hidden sugar

Consuming hidden sugars as part of our regular diet can have the following effects, even when we are not overeating:

  • Increased liver fat production
  • Repeated insulin spikes
  • Worsening fatty liver risk
  • Active cravings

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.

  • Debapriya Bhattacharya
    ABOUT THE AUTHOR
    Debapriya Bhattacharya

    Debapriya Bhattacharya is a Content Producer at Hindustan Times. He started his career in 2022, working in newsrooms in beats like education, US news, trending stories, and entertainment. In his new role in the lifestyle desk, he seeks to deliver a balanced blend of research-driven reporting and creative storytelling from health and recipes to art and culture. Science, philosophy, food and pop culture are what pump his veins and help bring heart to his stories. Debapriya tries to see out subjects that will allow him and readers to explore new frontiers and improve the quality of life for all. The explorations can be both external and internal, as thoughts seek to be as chaotic as the greater universe. As a citizen of the world, Debapriya has been fascinated by the lives of people across the globe throughout time. His curiosity leads him to explore new linguistic and cultural landscapes to broaden his horizons and deepen his understanding of global narratives. Beyond the newsroom, Debapriya loves to participate in debate and theatre, spaces that he considers to be holy grounds for nuance and self-expression. A graduate from Ashutosh College, University of Calcutta, Debapriya completed his Master's degree from the same university in 2022. An ambiverted bibliophile, he loves his solitude as much as he adores stimulating conversations. And despite his reverence for tech, libraries continue to be his favourite place for research.Read More

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