Maltodextrin Exposed: The Hidden Sugar Found in Sugar-Free Sweeteners

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This article discusses the dangers of maltodextrin hidden in sugar-free sweeteners.

Many people turn to artificial sweeteners as a substitute in their quest to cut sugar and calories from their diets.

While marketed as a healthier alternative, some artificial sweeteners contain maltodextrin, which can seriously affect blood sugar levels, weight management, and overall health.

What Is Maltodextrin?

Maltodextrin is a processed carbohydrate derived from starchy foods like corn, rice, or potatoes.

Due to its low cost and neutral flavor, it is commonly used as a filler or bulking agent in powdered sweeteners, snacks, and processed foods.

Despite being labeled “sugar-free,” maltodextrin products may cause significant blood sugar spikes.

 

Woman putting artificial sweetener in her coffee


Maltodextrin and Its High Glycemic Index

The glycemic index (GI) measures how quickly a food raises blood sugar. Maltodextrin has an exceptionally high GI, typically between 85 and 105, even higher than table sugar (GI ~65).

This means maltodextrin is absorbed rapidly into the bloodstream, leading to:

  1. Blood Sugar Spikes: For individuals with diabetes or prediabetes, consuming maltodextrin can cause dangerous surges in blood glucose levels.
  2. Insulin Resistance: Frequent blood sugar spikes force the pancreas to produce more insulin, increasing the risk of insulin resistance over time.
  3. Weight Gain: Excess glucose from maltodextrin can be stored as fat, promoting weight gain despite consuming “sugar-free” products.

Common Artificial Sweeteners Containing Maltodextrin

Several artificial sweeteners use maltodextrin as a carrier or bulking agent, negating the blood sugar benefits they claim to provide. Examples include:

  1. Splenda (Sucralose): Often mixed with maltodextrin or dextrose to make it measure like sugar.
  2. Equal (Aspartame): Packets frequently contain maltodextrin, increasing their caloric content and glycemic impact.
  3. Sweet’N Low (Saccharin): Its powdered form includes maltodextrin as a filler.
  4. Stevia Blends: Some stevia-based sweeteners mix pure stevia extract with maltodextrin to create bulk for easier recipe use.

Healthier Alternatives to Artificial Sweeteners with Maltodextrin

If you want to avoid maltodextrin, consider these alternatives:

Stevia leaves do not contain maltodextrin
FreshDrinkUS, Natural Stevia Leaves

Tips for Spotting Maltodextrin in Labels

When shopping for sugar substitutes, always:

  1. Check the ingredient list for maltodextrin or dextrose, modified food starch, dextrin, and corn syrup solids
  2. Be wary of terms like “bulking agent” or “filler”,
  3. Opt for products labeled as pure sweeteners without additives.

Health Recommendations

  1. Choose liquid sweeteners when possible
  2. Opt for pure versions of natural sweeteners
  3. Read ingredient labels carefully
  4. Consider using whole-food sweeteners like fruits
  5. Monitor blood sugar response to different products

The Bottom Line

Maltodextrin in artificial sweeteners can be a hidden culprit for blood sugar spikes and weight gain, undermining efforts to manage diabetes or maintain a healthy weight.

Understanding ingredient labels and choosing healthier sweetener options can help you stay on track with your health goals.

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References

  1. Ludwig, D. S. (2002). “The Glycemic Index: Physiological Mechanisms Relating to Obesity, Diabetes, and Cardiovascular Disease.” JAMA, 287(18), 2414-2423. DOI: 10.1001/jama.287.18.2414
  2. Livesey, G. (2003). “Health Potential of Polyols as Sugar Replacers, with Emphasis on Low Glycaemic Properties.” Nutrition Research Reviews, 16(2), 163-191. DOI: 10.1079/NRR200365
  3. American Diabetes Association. (2022). “Diabetes Meal Planning.” Available at diabetes.org
  4. Hofman DL, van Buul VJ, Brouns FJ. “Nutrition, Health, and Regulatory Aspects of Digestible Maltodextrins.” Crit Rev Food Sci Nutr. 2016;56(12):2091-100.
  5. Samuel P, et al. “Maltodextrin: A Review of the Literature and its Applications in Food Science.” Journal of Food Science and Technology, 2018;55(4):1227-1284.
  6. Jenkins DJ, et al. “Glycemic index of foods: a physiological basis for carbohydrate exchange.” Am J Clin Nutr. 1981;34(3):362-366.
  7. Wang Y, et al. “Effects of the Glycemic Index of Foods on Blood Glucose and Insulin Responses in Humans.” Diabetes Care, 2015;38(4):637-643.

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