Most Dangerous Carbohydrate? Doctors Warn It May Spike Blood Sugar Fast
Carbohydrates often get the blame for rising blood sugar, weight gain and diabetes, but the most dangerous carbohydrate may not be the rice or bread on your plate. According to doctors, the real concern lies in certain industrial starches commonly found in packaged foods . These highly processed ingredients are used to improve texture, shelf life and consistency, and some can cause rapid spikes in blood glucose when consumed in excess.
So, should you stop eating everyday carbohydrates, or is it time to pay closer attention to food labels? Here's what medical experts say.
According to him, these processed ingredients are extracted from sources such as corn, potatoes and wheat, then chemically modified and added to packaged foods. They often work as sweeteners, thickeners, stabilisers and fillers in everyday products.
He suggested that frequent consumption of these ingredients could contribute to repeated glucose spikes, insulin resistance, fatty liver disease, poor gut health and chronic inflammation. While these concerns highlight the importance of limiting ultra-processed foods, experts say the complete picture is more nuanced.
Some of the most common examples include:
He explains that ingredients such as maltodextrin and glucose syrup are digested much faster than the starch naturally present in whole foods. As a result, they can produce a quicker and higher rise in blood glucose levels.
However, he also points out that not all industrial starches behave the same way. Some modified or resistant starches are specifically designed to digest more slowly and may even reduce post-meal glucose spikes.
In other words, calling industrial starches the "most dangerous carbohydrate" is an oversimplification. Their health impact depends on the quantity consumed, how often they're eaten and the overall nutritional quality of the food.
For example, whole grains, legumes and vegetables contain natural starch along with fibre, vitamins and minerals, which slows digestion and promotes steadier glucose levels. In contrast, highly processed foods often contain refined starches with very little fibre, making them easier to digest rapidly.
Rather than eliminating all carbohydrates, choosing minimally processed foods and balancing meals with protein and healthy fats may be a more sustainable approach for blood sugar management.
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So, should you stop eating everyday carbohydrates, or is it time to pay closer attention to food labels? Here's what medical experts say.
Doctor warns about processed starches hiding in packaged foods
In a recent social media video, Delhi-based orthopaedic and sports surgeon Dr Obaidur Rahman warned against industrial starches, describing them as a carbohydrate that may sharply increase blood sugar levels within a few hours.According to him, these processed ingredients are extracted from sources such as corn, potatoes and wheat, then chemically modified and added to packaged foods. They often work as sweeteners, thickeners, stabilisers and fillers in everyday products.
He suggested that frequent consumption of these ingredients could contribute to repeated glucose spikes, insulin resistance, fatty liver disease, poor gut health and chronic inflammation. While these concerns highlight the importance of limiting ultra-processed foods, experts say the complete picture is more nuanced.
What are industrial starches?
Industrial starches are refined carbohydrate ingredients manufactured from natural starch sources. Unlike whole foods, they are processed to perform specific functions in food production.Some of the most common examples include:
- Maltodextrin
- Corn starch
- Modified food starch
- Dextrose
- Glucose syrup
- Corn syrup solids
- High-fructose corn syrup (HFCS)
- Polydextrose
- Sugar alcohols like sorbitol and xylitol
Are industrial starches worse than natural carbohydrates?
According to Dr Raju Vaishya, Senior Consultant at Indraprastha Apollo Hospitals, the answer is yes—but not always.You may also like
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He explains that ingredients such as maltodextrin and glucose syrup are digested much faster than the starch naturally present in whole foods. As a result, they can produce a quicker and higher rise in blood glucose levels.
However, he also points out that not all industrial starches behave the same way. Some modified or resistant starches are specifically designed to digest more slowly and may even reduce post-meal glucose spikes.
In other words, calling industrial starches the "most dangerous carbohydrate" is an oversimplification. Their health impact depends on the quantity consumed, how often they're eaten and the overall nutritional quality of the food.
Why the whole food matters more than a single ingredient
Experts emphasise that blood sugar response is influenced by the food matrix—the combination of fibre, protein, fat and carbohydrates in a meal.For example, whole grains, legumes and vegetables contain natural starch along with fibre, vitamins and minerals, which slows digestion and promotes steadier glucose levels. In contrast, highly processed foods often contain refined starches with very little fibre, making them easier to digest rapidly.
Rather than eliminating all carbohydrates, choosing minimally processed foods and balancing meals with protein and healthy fats may be a more sustainable approach for blood sugar management.
How to reduce hidden processed starches in your diet
You don't need to avoid carbohydrates completely. Instead, try these simple habits:- Read ingredient labels before buying packaged foods.
- Limit ultra-processed snacks and instant food products.
- Choose whole grains over heavily refined alternatives.
- Pair carbohydrates with protein and fibre-rich foods.
- Eat packaged foods in moderation rather than as daily staples.
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