When it comes to sweeteners, there’s a lot of confusion out there. There are a lot of words, like erythritol, that sound familiar but are used differently. Maltitol, is a low-calorie sweetener that has been used in foods for years. It is often confused with erythritol, a low-calorie sugar alcohol that is used as a sugar substitute and is often combined with erythritol to produce a variety of different products.

Many of us are on a mission to lose weight, but there’s a lot of confusion out there about the best way to go about it. One of the most common questions I’m asked is: Is Maltitol Keto? The Truth Behind This Sweetener. Well, the answer is a big fat no. There is no “Maltitol Keto” diet. In fact, it’s just a clever marketing strategy being used by Maltitol to get you to buy into their product.

Is Maltitol Keto? The Truth Behind This Sweetener. If you have been following keto blogs or trying to lose weight, you may have heard of Maltitol. Maltitol is a low-calorie sweetener that is used as a sugar substitute in a few different products. It is a sugar alcohol but is not metabolized in the human body like other digestible carbs. This means the body can’t use Maltitol as energy and instead, it passes through the body without affecting blood sugar levels.. Read more about does maltitol raise blood sugar and let us know what you think.

When you’re wanting something sweet, Keto goods make life simpler, but what happens when they’re sweetened with Maltitol? 

Low-carb diets have been used to treat diabetes, epilepsy, and weight reduction for hundreds of years. When you eliminate carbohydrates from your diet, your body is forced to burn fat as a source of energy, which is a much slower and more efficient source of energy. 

Natural sweeteners like stevia and monk fruit are both zero-carb and zero-calorie, making them excellent sugar replacements on the keto diet, but Maltitol has a number of disadvantages. 

What exactly is maltitol? 

Maltitol is a polylol or sugar alcohol. Sugar alcohols are carbs that mimic sugar and alcohol in appearance but cannot be absorbed by the human body, making them low-calorie and low-carb.

Sugar alcohols are found naturally in fruits and vegetables, but they may also be manufactured professionally from starches and sugars.

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Sugar alcohols that are often found in ketones

  • Erythritol
  • Sorbitol
  • Xylitol
  • Isomalt

Maltitol is frequently used in “Sugar-Free” sweets and pastry since it is 90 percent as sweet as normal table sugar, but there are many reasons to avoid this deceptive diet food, particularly if you’re on a keto diet.

Is Maltitol a Keto Diet Supplement?

When it comes to keto sweeteners, seek for zero-carb alternatives that are low in calories and have a low Glycemic Index score (GI score).

The Glycemic Index is a system that ranks carbohydrates according to how they affect blood glucose levels.

  • White bread has a GI of 75.
  • White table sugar has a GI of 65.
  • GI Score 52: Maltitol Syrup
  • Maltitol Powder has a GI of 35.
  • GI Score 0 for erythritol

The Glycemic Index isn’t the most reliable method to see how a meal affects blood sugar levels on a keto diet, so Matt and Megha used a blood glucose meter to test the sweetener for themselves in this video.

Maltitol raises blood glucose levels.

After eating 50 grams of maltitol syrup, Matt & Megha’s blood sugar levels went up 40 points in just 30 minutes! These results show why this sugar alcohol is a major no-no on a keto, low-carb, or diabetic-friendly diet.

Effects of Laxatives

This sweetener not only raises blood sugar levels almost as much as table sugar, but it also has laxative properties. On keto, consuming more than 40g of Maltitol may result in flatulence and diarrhea.

Maltitol-Containing Foods That Aren’t What They Seem

Always check the labels of “sugar-free,” “keto-friendly” goods to ensure they don’t include Maltitol syrup, which will make your keto diet more difficult. Even though these products raise blood glucose levels, manufacturers continue to market them as low-carb.


Sweeteners That Are Keto-Friendly

Fortunately, there are many keto-friendly sweeteners available that are really zero-carb, zero-calorie, and have little to no impact on blood glucose levels.

  1. Stevia Liquid (Natural Sweetener)
  2. Fruit of the Monk (Natural Sweetener)
  3. Allulose is a kind of cellulose (rare sugar)
  4. Erythritol is a sugar alcohol (Sugar Alcohol)
  5. Sucralose is a sugar substitute (Artificial Sweetener)
  6. Aspartame is a sugar substitute (Artificial Sweetener)

Stack of keto cookiesNutter Butters Sweetened with Stevia & Erythritol

Stack of keto pancakesStevia-sweetened keto pancakes


Even in modest quantities, maltitol is not keto-friendly. It isn’t as good as sugar alcohols from other sources. Packaged goods containing maltitol should be avoided since they may contain hidden carbohydrates.

Last but not least

Maltitol is a sugar alcohol that raises blood sugar levels almost as much as normal table sugar and should be avoided while following a ketogenic diet.

  • Sugar alcohols are seldom absorbed or metabolized in the human body. Maltitol raises blood sugar levels, despite the fact that most sugar alcohols are zero-carb and zero-calorie.
  • After consuming Maltitol, Matt and Megha checked their blood glucose levels, which had increased by 40 points in only half an hour.
  • Because it is a laxative, it may induce diarrhea and gas.
  • Many manufacturers utilize it as a sweetener and falsely claim that their goods are low-carb.
  • Instead, you may utilize a variety of natural keto sweeteners that won’t interfere with your weight reduction.


Maltitol is a sugar substitute that is a type of polyol, which is a type of sugar alcohol. It is made from a plant-based source, and can be found in foods like cereals and candies. Often times the name maltitol is used interchangeably with isomalt or erythritol as well.. Read more about is sorbitol keto and let us know what you think.

Frequently Asked Questions

Is maltitol sweetener safe?

Maltitol is a sugar alcohol, which means it has fewer calories than regular sugar. It is also safe to consume in moderation.

Do you subtract maltitol from carbs?

Yes, maltitol is a type of sugar alcohol.

Does maltitol count towards net carbs?

Maltitol is a sugar alcohol that does not have any effect on blood glucose or insulin levels. It is also not counted as a carb in the nutrition facts of foods.

This article broadly covered the following related topics:

  • maltitol diabetes
  • maltitol diarrhea
  • maltitol side effects
  • maltitol glycemic index
  • maltitol laxative
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