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Best 100% Natural Sugar Substitutes of 2026

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Kiera Browne

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For those looking for healthier alternatives to traditional sugar, 100% natural sugar substitutes are a great option. These products are made from natural sources such as stevia, monk fruit, and erythritol, and are free from artificial sweeteners, colours, and flavours. They offer a low-calorie and low-glycemic index alternative to sugar, making them ideal for those with diabetes or looking to reduce their sugar intake. These sugar substitutes can be used in a variety of recipes, from baking to sweetening drinks and are a great way to enjoy sweet treats without compromising on flavour.

At a Glance: Our Top Picks

Top 10 100% Natural Sugar Substitutes

NKD Living 100% Natural Erythritol Sugar Alternative

NKD Living 100% Natural Erythritol Sugar Alternative Cover

100% Natural Erythritol 1 Kg (2.2 lb) | Granulated Zero Calorie Sugar Replacement (2.2 lb)

NKD Living Erythritol is an excellent sugar replacement that contains 0 calories and 0 active carbohydrates, making it ideal for those on ketogenic diets or managing diabetes. With a crystal clean taste, it offers 70% of the sweetness of sugar without the bitter aftertaste associated with stevia. This product is perfect for baking, whether you're making cakes, meringues, or ice cream, allowing you to satisfy your sweet tooth while trying to lose weight. Additionally, it is Non-GMO Project Verified, ensuring it is a safe choice for maintaining stable blood sugar levels.

9.9
FTB Score

What We Like

  • Zero calories and carbohydrates
  • 70% sweetness of sugar
  • No bitter aftertaste
  • Ideal for baking
  • Non-GMO verified
#TOP 2

Nature Diet Xylitol 1 kg Natural Sweetener

Nature Diet Xylitol 1 kg Natural Sweetener Cover

Nature Diet - Xylitol 1 kg | 100% natural | sugar substitute | vegetable sweetener | low glycemic index | low caloric content

Nature Diet Xylitol is a fantastic sugar substitute that allows you to enjoy sweetness without the calories or artificial additives. With 40% fewer calories than regular sugar, it supports your healthier lifestyle. Its low glycemic index stabilises your sugar and insulin levels, making it an excellent choice for those mindful of their health. Additionally, this versatile sweetener is perfect for cooking and baking, as it withstands high temperatures while retaining its natural properties, allowing you to create delicious cakes and preserves.

9.8
FTB Score

What We Like

  • 100% natural ingredients
  • Low in calories
  • Stabilises sugar levels
  • Versatile for cooking
  • Resistant to high temperatures
#TOP 3

Nature Diet Xylitol 2 kg Natural Sweetener

Nature Diet Xylitol 2 kg Natural Sweetener Cover

Nature Diet - Xylitol 2 x 1 kg | 100% natural | sugar substitute | vegetable sweetener | low glycemic index | low caloric content

Nature Diet Xylitol is a fantastic natural sweetener that allows you to enjoy the sweetness of sugar without the calories or artificial additives. With 40% fewer calories than regular sugar, it helps you manage your weight while still satisfying your sweet cravings. Its low glycemic index means it stabilises your blood sugar and insulin levels, making it a healthier choice for your diet. Ideal for cooking and baking, this versatile product can easily enhance your favourite dishes, from cakes to fruit preserves, without compromising on taste.

9.6
FTB Score

What We Like

  • 100% natural ingredients
  • Low calorie alternative
  • Stabilises blood sugar levels
  • Versatile for cooking and baking
  • Resistant to high temperatures
#TOP 4

Total Sweet 100% Natural Xylitol Sweetener

Total Sweet 100% Natural Xylitol Sweetener Cover

Total Sweet 100% Natural Xylitol, 1kg

Total Sweet Xylitol is a fantastic sugar alternative that looks and tastes just like sugar, making it perfect for your favourite recipes. With a low GI value of 7, it helps you manage your blood sugar levels, which is especially beneficial for dieters and diabetics. You’ll appreciate that it has low available carbs, allowing you to enjoy sweetness without the guilt. Made from natural, sustainable birch wood, this product supports your oral health and general well-being.

9.5
FTB Score

What We Like

  • Natural sugar alternative
  • Low GI value
  • Suitable for diabetics
  • Gluten free and vegan
  • Low available carbs
#TOP 5

NKD Living 100% Natural Erythritol 300g

NKD Living 100% Natural Erythritol 300g Cover

100% Natural Erythritol 300g by NKD Living (Granulated)

NKD Living Erythritol is an excellent sugar alternative, offering 0 calories and 0 active carbohydrates, making it ideal for those on Ketogenic diets or managing diabetes. With a crystal clean taste and 70% of the sweetness of sugar, you can satisfy your sweet tooth without the bitter aftertaste often associated with other sweeteners like stevia. It's perfect for baking cakes, meringues, and even ice cream, allowing you to indulge while still pursuing your weight loss goals. Additionally, being Non-GMO Project Verified, it helps maintain stable blood sugar levels.

9.4
FTB Score

What We Like

  • 0 calories and carbohydrates
  • Great for baking and desserts
  • No bitter aftertaste
  • Non-GMO verified

100% Natural Erythritol Sugar Replacement 3kg

100% Natural Erythritol Sugar Replacement 3kg Cover

100% Natural Erythritol 3 Kg - Zero Calories Sugar Replacement (1 x 2kg Bag + 1 x 1kg Bag)

NKD Living Erythritol is an award-winning sugar alternative that offers a crystal clean taste with 70% of the sweetness of sugar, without the bitter aftertaste often associated with stevia. This product is perfect for baking, whether you're making cakes, meringues, or ice cream, allowing you to satisfy your sweet tooth while trying to lose weight. With a glycaemic index of zero, it helps maintain stable blood sugar levels, making it an excellent choice for diabetics. Additionally, it is more stomach-friendly than xylitol and safe for pets.

9.2
FTB Score

What We Like

  • Natural sugar alternative
  • Great for baking and desserts
  • Zero glycaemic index
  • Stomach-friendly option
  • Safe for pets
#TOP 7

Castello Natural Erythritol Sweetener - Keto Friendly

Castello Natural Erythritol Sweetener - Keto Friendly Cover

Castello since 1907 Natural Erythritol Sweetener - Granulated | 10g = 7g of sugar | Sugar Substitute - Keto and Paleo - 0 Glycemic - 0 Calories - 0 Net Carbs - Made by corn 100% Non-GMO - 850 g

Castello Erythritol Sweetener is a 100% natural sugar alternative, ideal for those wanting to reduce sugar intake without sacrificing flavour. It is derived from Non-GMO corn and has a glycemic index of 0, making it suitable for people on special diets, such as Keto and Paleo, as well as those managing diabetes. With zero calories and net carbs, it supports your health goals. Plus, it easily dissolves in both hot and cold liquids, making it perfect for beverages, baking, and desserts.

9.1
FTB Score

What We Like

  • Natural and calorie-free
  • Non-GMO certified
  • Zero glycemic index
  • Suitable for special diets
  • Easily dissolves in liquids

Puresweet Zero® Natural Calorie-Free Sweetener 1kg

  • Puresweet
  • FC-8LE3-D028
  • White
  • 1 kg (Pack of 1)
Puresweet Zero® Natural Calorie-Free Sweetener 1kg Cover

Puresweet Zero® 100% Natural Zero Calorie Sweetener 1kg, No Bitter Aftertaste, Diabetic Friendly, Tooth Friendly, Vegan, Non GMO.

Puresweet Zero® Sweetener is a fantastic option for those seeking a natural, zero-calorie alternative to sugar. Being diabetic-friendly, it allows you to enjoy sweet flavours without worrying about blood sugar spikes. Its tooth-friendly formula means you can indulge without harming your dental health. You'll appreciate its sugar-like taste and appearance, ensuring there’s no bitter aftertaste. This makes it an excellent choice for various culinary uses, from baking to sweetening beverages.

8.9
FTB Score

What We Like

  • 100% natural ingredients
  • No bitter aftertaste
  • Diabetic and tooth friendly
  • Vegan and non-GMO

Castello Stevia + Erythritol 1:1 Sweetener

Castello Stevia + Erythritol 1:1 Sweetener Cover

Castello since 1907 Stevia + Erythritol 1:1 Sweetener | 1g = 1g of sugar | 100% Natural taste Sugar Substitute - 0 Calories - 0 Glycemic Index - Keto and Paleo - 0 Net Carbohydrates - Non-GMO - 1kg

Castello Stevia Sweetener offers a 100% natural alternative to sugar, perfect for those seeking to reduce their sugar intake without losing sweetness. With zero calories and carbohydrates, you can enjoy it guilt-free in your favourite drinks or when baking. This sweetener dissolves easily, making it convenient for both hot and cold beverages. Additionally, it is safe for the whole family and even pets, ensuring that everyone can benefit from a healthier lifestyle.

8.7
FTB Score

What We Like

  • 100% natural ingredients
  • Zero calories and carbs
  • Easy to dissolve
  • Safe for family and pets

Castello Natural Erythritol Sweetener - Keto Friendly

Castello Natural Erythritol Sweetener - Keto Friendly Cover

Castello since 1907 Natural Erythritol Sweetener - Granulated | 10g = 7g of sugar | Sugar Substitute - Keto and Paleo - 0 Glycemic - 0 Calories - 0 Net Carbs - Made by corn 100% Non-GMO - 1 kg

Castello Erythritol Sweetener is a 100% natural sugar substitute, perfect for those wanting to reduce sugar intake without sacrificing taste. Its origin from Non-GMO corn means you can enjoy a healthy option that fits into special diets like Keto or Paleo. With zero calories and no net carbs, it helps you stay on track with your dietary goals. Additionally, it dissolves easily in both hot and cold beverages, making it versatile for everyday use.

8.5
FTB Score

What We Like

  • Zero calories and net carbs
  • Non-GMO certified
  • Ideal for special diets
  • Dissolves easily in liquids
  • Similar taste and texture to sugar

Editor's Notes

During our 100% natural sugar substitute research, we found 152 100% natural sugar substitute products and shortlisted 10 quality products. We collected and analyzed 162,174 customer reviews through our big data system to write the 100% natural sugar substitutes list. We found that most customers choose 100% natural sugar substitutes with an average price of £7.39.

The 100% natural sugar substitutes are available for purchase. We have researched hundreds of brands and picked the top brands of 100% natural sugar substitutes, including NKD Living, Nature Diet, Total Sweet, Castello since 1907, Puresweet.

Written by

Kiera Browne Avatar

Kiera Browne

Kiera Browne served as chef and caterer in Purslane Restaurant for three years before establishing her restaurant. Kiera now owns two restaurants and a culinary school all over the United Kingdom. Kiera has featured in magazines and editorials, providing recipes for various dishes. Using her skills and knowledge in the culinary field, Kiera has published few pamphlets on preparing various cuisines.