Discover 7 Prohibited Diabetes Foods that Increase Blood Sugar, some do not even have sugar or carbohydrates, however, they impact your blood sugar and complicate the control of your diabetes.

Diabetes is a common disease in our day, which can occur in people of any age, and if left unchecked it can be fatal to the body.

Coffee and sugar-free gum are some of these Prohibited foods that increase your blood sugar, find out how they do it and why it will be convenient to avoid them in your diet to control your diabetes.

1. Coffee and Diabetes

According to a study conducted in Teeccino Caffé, the main component of coffee, caffeine negatively affects blood glucose, increases it and causes a sensation of subsequent hypoglycemia.

Specifically, caffeine increases stress hormones such as cortisol, adrenaline, and norepinephrine.

According to a study conducted at the University Medical Center, high adrenaline levels decrease insulin sensitivity by 15%.

When insulin sensitivity is reduced, glucose cannot enter cells to be used and blood sugar increases.

The control of stress hormones by limiting coffee consumption improves glycemic management.

Caffeine also activates the nervous system and adrenal glands and decreases blood circulation, which affects the brain and gives a feeling of low blood sugar, even when the value is normal.

This causes the body to crave and increase the consumption of food sources of carbohydrates, thus increasing glycemia.

According to Duke University Medical Center, caffeine is considered a drug that is still used despite the fact that already in 1967 it was evident that drinking 2 cups of instant coffee negatively affects glycemia.

Caffeine interferes with glucose metabolism and during and after a meal and raises sugar levels in type 2 diabetics after eating.

Withdrawal from coffee showed that it is equally beneficial as oral medications for glycemic control after eating, decreasing the increase in blood sugar by 21%.  

Coffee also decreases the absorption of magnesium and magnesium is a mineral necessary in the effective use of glucose.

Low levels of magnesium increase the risk of insulin resistance and the ability of cells to use glucose, which increases blood sugar.

Coffee consumption is also not recommended in people with diabetes because it increases the risk of heart disease.

Coffee and even decaffeinated coffee increases homocysteine, which increases the risk of developing degeneration of the blood vessels in the eyes.

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2. Sugar-free chewing gums raise blood sugar

According to a study conducted at the University of Toronto, sugar-free gum is sweetened with so-called polyols, which are sugar alcohols.

In chewing gum, it is common to find these substances under the name of sorbitol, maltitol, and xylitol.

The evidence indicates that its long-term consumption in person with diabetes does not provide benefits and complicate glycemic control.

It is not yet known if, like other sweeteners, they increase fat consumption as a compensatory form of energy reduction, with increased risk of obesity, insulin resistance, and increased blood sugar.

Sugar alcohols in food alter the diet because they are partially digested in the body, so unlike other sweeteners that do not provide calories, they do add calories to food

Polyols are metabolized in the body without the need for insulin so they should not affect glycemia.

However, the composition of the polyols causes the carbohydrates they provide to be partially digested.

When part of the carbohydrates present in polyols is digested, glycemia is increased, although not in the same proportion as table sugar, sucrose.

This was especially observed with the maltitol sweetener found in chewing gum.  

In addition, these sweeteners present in sugar-free gum increase blood glucose in the long term, because they are partly metabolized.

Many times they are considered for their contribution of carbohydrates in the diet and in people who perform carbohydrate counting can lead to overestimate the amount of insulin increasing the risk of hypoglycemia.

In turn, high consumption of polyols in gum and other foods that contain it cause gastrointestinal problems such as flatulence, abdominal cramps, abdominal bloating and diarrhea.

These sweeteners are also found in cookies, bars, candies and sugar-free chocolates, powders for preparing desserts, ice creams in which it contains greater than safe amounts.

3.Honey, sweeteners, and sugar

According to the American Heart Association Nutrition, sugar (sucrose) and high fructose corn syrup that is similar, increases the risk of developing type 2 diabetes.

This is worrisome because the population currently consumes 22 teaspoons of sugar per day, representing 355 kcal.

Therefore, sugar increases energy consumption, contributes to weight gain and reduced consumption of essential nutrients.

Drinks such as soft drinks and packaged juices are the main sources. But they are also added to a variety of foods that also have starch. 

Examples of these foods are sweet and savory cookies, soups, broths, jellies, powders to prepare.

In contrast, natural sweeteners such as dried fruits and species reduce blood sugar and in turn have protective effects of complications due to their fiber and antioxidant content.

If you thought that sweeteners in sachets or commercial liquids are a better alternative for people with diabetes, you’re wrong, we’ll tell you why. 

According to a study conducted at Holy Spirit University, although sweeteners have no effect on glucose, they can increase insulin levels.

Examples of these types of sweeteners are aspartame, acesulfame K, maltol. This type of sweetener increases the risk of hypoglycemia by increasing insulin.

Sweeteners can also affect the beta cells of the pancreas, which are responsible for the secretion of insulin leading to insulin resistance and increasing the risk of diabetes or prediabetes.

Especially aspartame during pregnancy leads to the development of metabolic syndrome which includes insulin resistance and impaired glycemia.

Remember that we can find these sweeteners in drinks, gum, and candy, chocolates, yogurts, ice cream. 

On the other hand, honey, according to a study at the University of Tehran, is associated with a significant increase in glycosylated hemoglobin, which is due to an increase in blood sugar after eating.

The increase in hemoglobin indicates inadequate glycemic control.

This was observed in a study in which patients with diabetes consumed natural honey for 8 weeks.

Fructose, the main sugar that makes up honey, is associated with increased fat in the body and the presentation of insulin resistance, a situation that prevents insulin from being used to lower blood sugar. 

4.White rice and Diabetes

According to a study conducted at Brigham and Women’s Hospital and Harvard Medical School, the high consumption of white rice is associated with type 2 diabetes.

By high consumption of white rice we mean 2 servings a week and up to 3 to 4 servings per day that have a great negative impact on type 2 diabetes.

For every serving per day that white rice increases, the risk of type 2 diabetes increases by 11%. This association was more important in women than in men.

White rice is mainly composed of starch and has a high glycemic index, due to a high degree of processing and which can be increased according to the cooking time.  

That is, the larger the grain size, the lower the glycemic and insulin increase and the higher the level of processing and refining, the higher the glycemia and insulin increase.

Thus predisposing to insulin resistance and complicating glycemic control in patients with type 2 diabetes.

A higher glycemic index is related to type 2 diabetes because it increases postprandial glycemia, sugar after eating. 

According to the Agricultural Research Service, if we consider a quick, instant, parboil cooked rice, compared to common white rice, it will produce a 60% higher increase in glycemia and insulin.

The amount of rice consumed is also related when comparing 25 grams of white rice with 25 grams of white bread, no differences were found regarding the glucose and insulin response. 

5. Milk or yogurt

According to a study conducted at Utrecht University Medical Center, a greater amount of dietary protein from milk or yogurt complicates glycemic control.

This is because it alters glucose metabolism. High protein consumption in the long term is related to increased glucose and insulin resistance.

Insulin resistance is the inability to use insulin for glucose to enter cells, which causes it to remain in the blood and increase glycemia.

According to a study conducted at Brigham Young University, milk and other dairy products such as yogurt are known to favor insulin secretion.

However, the hyperinsulinemia they produce leads to undesirable effects such as insulin resistance.

In this study, women who consumed milk and yogurts were evaluated and those who drank more were found to have diabetes more frequently, 25% more than women with low and no consumption.

The beta cells found in the pancreas when hypersecretion insulin are damaged, so later glycemic control is affected  

In addition, increased milk consumption is associated with high fasting glucose or sugar levels due to its milk sugar content, lactose.

Also because many skim yogurts are mistakenly consumed as sugar-free and have added sugar. That is, skimming is not synonymous with sugar-free.

On the other hand, amino acids, protein components can also inhibit glucose transport and also alter glucose synthesis in the body and intervene in glucose metabolism.

In addition, the increase in protein consumption and even more when these are of animal origin increase the risk of diabetes by 30%.

It was observed that the consumption of 5% of energy in the form of proteins when they replace the 5% that would be obtained from carbohydrates or fats increases the risk of diabetes. 

6.Water Cookies


According to a study conducted at the University of South Carolina, water crackers are among the 13 most consumed processed foods in family homes.

On many occasions, they are considered healthy, without sugar and a good replacement of bread by people with diabetes.

In contrast, cookies are a refined food, rich in sugars that has a negative contribution on glycemia.

Despite having a salty taste, a portion of water biscuits that are consumed for breakfast or snack contains 1.9 grams of sugars.

In addition, they are rich in carbohydrates, they contain 20.5 gr from other sources, mainly refined wheat flours that also help increase glycemia.

Wheat flour has a high glycemic index, similar to white bread that is 100, this means that it increases blood glucose or blood sugar after consumption.

A portion of cookies contributes 130 calories which, added to the amount consumed in breakfast and snack, snack and meal replacement, represent around 400 kcal that also contribute to obesity.

The increase in fat in the body leads to insulin resistance making it difficult to use insulin to control blood sugar.

Water crackers also come in different varieties with variable contents and in some cases too high fat that also contribute to weight gain.

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7.Canned food

In a study published in the American Journal of Epidemiology, it was found that higher consumption of canned foods is associated with a higher prevalence of type 2 diabetes.

Canned food refers to canned fish such as tuna, sardines, canned meats, and processed meats and canned fruits. 

These foods that are part of the Western diet were associated with a higher level of insulin and C-peptide that are indicators of type 2 diabetes.

In turn, packaged foods contain sugars in the case of canned fruits, oils, and sodium in salty foods that indirectly increase body weight and lead to insulin resistance.

Canning also eliminates beneficial nutrients for the control of obesity and diabetes such as vitamins, minerals, water, for its high processing, handling, and packaging.

Canning involves high temperatures that damage vitamins and enzymes, necessary for glucose metabolism. Although in some cases what is taken off is industrially added, this does not have the same effect on health. 

Canned foods, in turn, according to Peninsula Medical School, are coated with epoxy resin with a chemical bisphenol A (BPA). 

The substance that can pass to the consumer and has shown that it has negative effects on the human being

In this study, the presence of this substance in the urine was evaluated and high concentrations of BPA were found in the urine of people with diabetes. 

Even low levels of BPA in urine in people with diabetes have been linked to an alteration of beta cells in the pancreas that produce insulin resistance. 

In high concentrations, they are also related to cardiovascular diseases and increased mortality.

Avoiding canning and replacing them with fresh fruits and cooked bulk legumes will avoid increasing BPA in the urine. 

8.Burgers and Bacon

According to a study conducted at Harvard School of Public Health, processed meats such as hamburgers and bacon have several factors that contribute to the increase in blood sugar levels.

A consumption from 50 gr of processed meats, approximately a portion of hamburger or 2 bacon fetas already represents a problem for the management of diabetes.  

Generally, nitrites for preservation and advanced glycation products that are related to diabetes complications are added during processing.  

Nitrites have a toxic effect on the beta cells of the pancreas and remember that these cells are responsible for the secretion of insulin, so blood sugar levels increase.

Advanced glycosylation products are abundant in meats, high-fat products, and products with high processing, these advanced glycosylation products collaborate in the progression of diabetes.

Also, frequent consumption of meats produces an excess of iron in the body and this decreases insulin sensitivity, that is, it affects the possibility of using insulin to reduce blood sugar.

We already mentioned the effect of protein from animal foods in altering glucose metabolism.

This added to the fact that these processed meats are rich in saturated fats and cholesterol that complicate the control of diabetes by predisposing to insulin resistance.

The consumption of other processed meats and sausages in addition to bacon and hamburgers such as beef, pork, salami produced similar effects to those mentioned on glycemic control. 

According to a study conducted in Teeccino Caffé, in the United States alone 18.2 million people have diabetes and diabetes represents the sixth leading cause of death. 

If you have diabetes, prevent the complications of this disease and increase your risk to health, avoiding these 7 PROHIBITED foods that raise blood sugar

Categories: Diabetes


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