Lactitol vs Sugar: The Ultimate Verdict

Sugar and lactitol are two commonly used sweeteners in the food industry. Sugar, which is a generic term for sweet-tasting, soluble carbohydrates, is derived from sugar cane or sugar beet and consists of glucose and fructose. On the other hand, lactitol is a disaccharide sugar alcohol extracted from lactose, offering a lower-calorie alternative for sweetening foods. This article explores and compares these two sweeteners to determine which one reigns supreme in terms of taste, health benefits, and suitability for various dietary needs.

Comparing Lactitol vs Sugar

	Lactitol	Sugar
Substitution ratio	1.5 cups lactitol: 1 cup sugar	1 cup sugar: 1.5 cups lactitol
Gluten-free?	Yes	Yes
Keto-friendly?	Yes	No
Paleo-friendly?	No	No
Common Allergens	Lactose	Sugarcane
Pantry shelf life (unopened/sealed)	3 years	2 plus years
Best for baking	Sugar-free candies and cookies	Most desserts and sweet baked goods

Differences Between Lactitol And Sugar

Lactitol and sugar are two distinct substances that differ in composition and properties. Sugar, a broad term encompassing various sweet carbohydrates, can be found in food as simple sugars like glucose, fructose, and sucrose. Sucrose, commonly called “sugar,” is a combination of glucose and fructose derived from sources such as sugar cane or sugar beet.

Lactitol is a polyol or sugar alcohol with fewer calories compared to typical saccharides. It occurs naturally in certain foods and is also commercially produced as an additive. Lactitol functions as a prebiotic and promotes colon health. Due to its poor absorption, lactitol has a lower caloric content, making it about 60% as caloric as typical saccharides. Lactitol is commonly used as a laxative to prevent or treat constipation under trade names such as Importal.

In terms of their properties, sugar is primarily used for its flavor-enhancing properties in food products. It is a sweetener, preserving agent, texture modifier, flavoring and coloring agent, and bulking element. Sugar’s role extends beyond mere sweetness, as it plays a vital role in shaping the sensory and technical aspects of food.

On the other hand, lactitol serves primarily as a low-calorie alternative to sugar, with its laxative properties making it useful for constipation treatment. Its use as an osmotic laxative was approved by the United States for the treatment of chronic constipation in adults.

Taste and Culinary Uses

Sugar is widely regarded as the epitome of sweet taste. It lacks any lingering or secondary taste, leaving a clean and pure sweetness. In the culinary world, sugar is not only revered for its sweetness but also valued for its multifaceted roles. It adds vibrant color to baked goods and acts as a preservative, enhancing flavors and providing bulk. It also finds its way into various sauces, syrups, and beverages, lending viscosity and creating a thicker consistency that enhances the overall mouthfeel.

Lactitol presents a clean and sugar-like taste. It can seamlessly blend with other low-calorie sweeteners. Lactitol finds its application in a wide range of food products that are low in energy or fat. Its high stability makes it a popular choice for baking, and it is frequently used to produce sugar-free candies, cookies, chocolates, and ice cream. While lactitol exhibits a sweetness level of 30-40% compared to sucrose, its unique attribute lies in promoting colon health as a prebiotic. Plus, due to its poor absorption, lactitol possesses only 2-2.5 kilocalories per gram.

Are Lactitol and Sugar Substitutes for Each Other?

Lactitol is about 40% as sweet as sugar, so you would have to use more if you wanted to substitute sugar for lacitol. Try 1.5 cups of lactitol for every 1 cup of sugar for a similar sweetness profile, and add a little extra liquid to the bake.

Nutritional Profile And Health Benefits

• Table sugar (granulated sugar, sucrose) (2 tsp.):
  • Calories: 30
  • Total carbs: 8 g
  • Sugars: 8 g
  • GI: 65
• Lactitol:
  • Calories: N/A
  • Total carbs: N/A
  • Sugars: N/A
  • GI: N/A; likely 0

Sugar, as a simple carbohydrate, provides a quick energy source to support the functioning of the body’s cells, tissues, and organs. However, excessive sugar consumption can have adverse health effects. On the other hand, lactitol is a low-calorie sweetener; unlike sucrose, it is less likely to cause tooth decay but more likely to cause gastrointestinal upset.

Diet Suitability

White sugar is not considered vegan due to the refining process that often involves the use of bone char, even though it’s not directly derived from animals. It is also unsuitable for a keto diet due to its high carbohydrate content. However, if you are following a keto diet, lactitol can be used as a sugar replacement in moderation.

While lactitol is keto-friendly, it is derived from lactose, which is a sugar found in cow’s milk, making lactitol not suitable for a vegan diet. Moreover, it is not considered paleo-friendly or approved for the Whole30 diet.

How to Store Lactitol and Sugar

It is recommended to store sugars in airtight containers at room temperature, away from direct light, in a cool and dry place. This will help maintain their quality and prevent moisture absorption or clumping. Remember to label the containers properly for easy identification.

Price and Availability

Sugar is available for as low as 25 cents per pound, while lactitol costs $12.99 or higher. The affordable price of sugar makes it a more accessible option for consumers. However, the higher-priced sweeteners may be found in specialty stores or online platforms.

Environmental Impact

The environmental impact of burning sugarcane is significant and primarily manifests as air pollution. When the leafy parts of sugarcane are burned, toxic and hazardous substances are emitted. These emissions contribute to air pollution and are linked to climate change.

Lactitol vs. Sugar: The Ultimate Verdict

Lactitol may be low-calorie, but the fact it is used as a laxative means sugar is the winner for me, particularly if you need to use a lot of it for a recipe! It is also more natural, affordable, and widely available. If you need a low-calorie sweetener instead, other options are available.

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