Sugar Alcohol by Sarvessh Kannan
Sugar alcohols are a type of carbohydrate commonly used as a substitute for regular sugar in
many foods and beverages. Despite their name, sugar alcohols are neither traditional sugar nor
the type of alcohol found in alcoholic drinks. They are naturally found in some fruits and
vegetables, but they can also be manufactured for use in products such as sugar-free gum,
candy, toothpaste, and baked goods. Sugar alcohols have become increasingly popular
because they provide sweetness while generally containing fewer calories than regular sugar.
However, consuming too much can also have unwanted effects on the digestive system.
What Are Sugar Alcohols?
Sugar alcohols, also known as polyols, are carbohydrates that have a chemical structure similar
to both sugar and alcohol. Some common examples include xylitol, sorbitol, erythritol, and
maltitol. They are often added to foods as sweeteners because they provide a sweet taste
without all the calories associated with ordinary table sugar.
Unlike regular sugar, most sugar alcohols are not completely absorbed by the small intestine.
As a result, they generally provide fewer calories. Different types have different levels of
sweetness and calorie content. For example, erythritol provides almost no calories, while other
sugar alcohols provide more.
Where Are Sugar Alcohols Found?
Sugar alcohols are commonly found in products labeled sugar-free, reduced-sugar, or no added
sugar. Some examples include:
● Sugar-free chewing gum
● Sugar-free hard candies and chocolates
● Protein bars
● Low-sugar baked goods
● Certain ice creams and frozen desserts
● Toothpaste and other oral-care products
They can also occur naturally in small amounts in foods such as apples, pears, peaches,
mushrooms, and other fruits and vegetables. Food manufacturers use them not only to add
sweetness but also to improve the texture, moisture, and consistency of products. (U.S. Food
and Drug Administration).
One major benefit of sugar alcohols is that they generally have fewer calories than regular
sugar. This makes them useful ingredients in products designed to contain less sugar. They
also tend to cause a smaller increase in blood glucose levels than ordinary sugar, making them
useful alternatives in certain foods for people who need to monitor their blood sugar.
Another important benefit is their effect on dental health. Regular sugar can interact with
bacteria in the mouth, producing acids that damage tooth enamel and cause cavities. Sugar
alcohols, especially xylitol, do not have the same cavity-promoting effect. This is one reason
they are commonly used in sugar-free chewing gum and toothpaste. According to the FDA,
sugar alcohols do not promote tooth decay in the same way that regular sugar does.
Although sugar alcohols have several benefits, consuming too much can cause digestive
problems. Because many sugar alcohols are not completely absorbed in the small intestine,
some travel into the large intestine, where bacteria break them down. This process can cause
gas, bloating, stomach discomfort, and diarrhea.
Different sugar alcohols can affect people differently. For example, sorbitol and mannitol may
cause digestive discomfort in some individuals, especially when consumed in large amounts.
People with sensitive digestive systems may experience these effects more easily.
It is important to understand that sugar alcohols are not automatically healthier simply because
a product is labeled sugar-free. A sugar-free product can still contain calories, fats, and other
ingredients. Therefore, reading nutrition labels and understanding ingredients is an important
part of making informed food choices. (MedlinePlus; Harvard T.H. Chan School of Public
Health).
Sugar alcohols are widely used sugar substitutes that provide sweetness while
generally containing fewer calories than regular sugar. They are found in many
everyday products, including chewing gum, candies, chocolates, and baked goods.
Their benefits include having a smaller effect on blood glucose levels and being less
likely to contribute to tooth decay. However, consuming large amounts can lead to
digestive discomfort, including bloating and diarrhea. Overall, sugar alcohols can be
useful alternatives to regular sugar, but it is important to understand their effects and
consume them in moderation. Knowing how to read food labels and recognize different
sweeteners can help people make better-informed decisions about their diets.
U.S. Food and Drug Administration. "How Sweet It Is: All About Sweeteners." FDA,
2023.
https://www.fda.gov/consumers/consumer-updates/how-sweet-it-all-about-sweeteners
U.S. Food and Drug Administration. "Interactive Nutrition Facts Label: Sugar Alcohols."
FDA, October 2021.
https://www.accessdata.fda.gov/scripts/InteractiveNutritionFactsLabel/
Harvard T.H. Chan School of Public Health. "Are Sugar Alcohols Healthier Alternative
Sweeteners?" January 4, 2024.
https://hsph.harvard.edu/news/sugar-alcohol-health-sweetener/
MedlinePlus. "Sweeteners - Sugars." U.S. National Library of Medicine.
https://medlineplus.gov/ency/article/002444.htm
Mäkinen, Kauko K. "Gastrointestinal Disturbances Associated with the Consumption of
Sugar Alcohols with Special Consideration of Xylitol." International Journal of Dentistry,
2016.
https://pmc.ncbi.nlm.nih.gov/articles/PMC5093271/