Best 100% Natural Sugar Substitutes of 2025

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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
Nature Diet Xylitol 2 kg Natural Sweetener
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.
NKD Living 100% Natural Erythritol Sugar Alternative
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.
Castello Stevia + Erythritol 1:1 Sweetener
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.
Total Sweet 100% Natural Xylitol Sweetener
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.
Castello Stevia + Erythritol Natural Sweetener
Castello Stevia + Erythritol is a 100% natural sweetener that provides a perfect sugar substitute without the calories or carbs. Its unique crystallisation process ensures that each granule delivers consistent sweetness, making it ideal for sweetening beverages or baking. This sweetener is suitable for various diets, including keto and paleo, allowing you to enjoy sweet flavours without compromising your health. Additionally, it’s a safe option for the entire family, including pets, and contains no artificial additives, ensuring a pure taste experience.
NKD Living 100% Natural Erythritol 10 Kg Sugar Alternative
NKD Living Erythritol is a fantastic sugar alternative, offering 10 kg of 100% natural sweetness. With zero calories and no active carbohydrates, it is an ideal choice for those on ketogenic diets or managing diabetes. You will enjoy its crystal clean taste, which provides 70% of the sweetness of sugar without the bitter aftertaste often found in alternatives like stevia. Perfect for baking, meringues, and even ice cream, this product allows you to satisfy your sweet tooth while supporting your weight loss goals.
Intenson Xylitol 1 kg Natural Sugar Substitute
Intenson Xylitol is a 100% natural sugar substitute that provides a deliciously sweet taste while being low in calories. With 40% fewer calories than regular sugar, it allows you to enjoy your favourite treats guilt-free. Its low glycemic index of just 8 helps maintain steady energy levels, preventing those unwanted sugar spikes. Plus, this versatile sweetener is perfect for baking and cooking, retaining its flavour even at high temperatures, making it ideal for all your culinary creations.
100% Natural Erythritol Sugar Replacement 3kg
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.
NKD Living 100% Natural Erythritol 2 Kg Sugar Alternative
NKD Living Erythritol is an excellent sugar replacement, providing 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 enjoy your favourite treats without the guilt. This product is perfect for baking cakes, meringues, and ice cream, allowing you to satisfy your sweet tooth while trying to lose weight. Additionally, it is Non-GMO Project Verified, ensuring you can maintain stable blood sugar levels.
Seba Garden 100% Erythritol Natural Sweetener
Seba Garden Erythritol Sweetener is a natural sugar replacement that is virtually calorie-free, making it ideal for those looking to manage their weight. It has no impact on blood sugar levels, which is beneficial for individuals with diabetes. Additionally, this sweetener is tooth-friendly, as it does not contribute to tooth decay. Unlike many sugar alternatives, it is well-tolerated by most people, minimising the chances of digestive discomfort.
During our 100% natural sugar substitute research, we found 95 100% natural sugar substitute products and shortlisted 10 quality products. We collected and analyzed 149,213 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 £10.43.
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 Nature Diet, NKD Living, Castello since 1907, Total Sweet, Intenson.

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.