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Paleo Sweeteners

Best Paleo Sweeteners of 2026

Name: Castello Stevia + Erythritol 1:1 Sweetener
Brand: Castello since 1907

Kiera Browne

Last Updated: 6 Feb 2026

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Paleo sweeteners are natural alternatives to traditional sugar that are suitable for those following a paleo diet or looking to reduce their sugar intake. These sweeteners are derived from sources such as fruits, plants, and tree sap, and provide a range of flavours and textures to enhance your favourite recipes. They can be used in baking, cooking, and beverages, offering a healthier option without sacrificing taste. Whether you're looking for a liquid sweetener like honey or maple syrup, or a powdered option like coconut sugar or stevia, paleo sweeteners can help you satisfy your sweet tooth while adhering to a paleo lifestyle.

At a Glance: Our Top Picks

#TOP 1

Castello Stevia + Erythritol 1:1 Sweetener

9.9

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#TOP 2

Castello Natural Erythritol Sweetener - Keto Friendly

9.8

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#TOP 3

Castello Stevia + Erythritol 1:1 Natural Sweetener

9.6

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Top 9 Paleo Sweeteners

#TOP 1 Best Castello since 1907 Sweetener

Castello Stevia + Erythritol 1:1 Sweetener

Castello since 1907
1 kg (Pack of 1)

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.

9.9

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What We Like

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

#TOP 2

Castello Natural Erythritol Sweetener - Keto Friendly

Castello since 1907
850 g (Pack of 1)

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.

9.8

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What We Like

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

#TOP 3

Castello Stevia + Erythritol 1:1 Natural Sweetener

Castello since 1907
EMMEXX
850 g (Pack of 1)

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 - 850 g

Castello Stevia + Erythritol is a 100% natural sweetener designed for those seeking a healthy alternative to sugar. With zero calories and carbohydrates, it fits perfectly into various diets, including keto and paleo. Its sugar-like texture ensures it dissolves easily in both hot and cold drinks, making it convenient for your daily use. Additionally, this product is free from artificial flavours, providing a pure taste without compromising on sweetness. You can enjoy sweetening your meals and beverages without guilt.

9.6

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What We Like

100% natural ingredients
Zero calories and carbs
Easy to use in cooking
Safe for the whole family
Supports special diets

#TOP 4

Castello Natural Erythritol Sweetener - Keto Friendly

Castello since 1907
UTI-01
1 kg (Pack of 1)

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.

9.6

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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

#TOP 5

Castello Stevia + Erythritol Natural Sweetener

Castello since 1907
BOLYDOOM
1 kg (Pack of 1)

Castello since 1907 Stevia + Erythritol 1:8 Sweetener | 1g = 8g of sugar | 100% Natural taste Sugar Substitute - 0 Calories - 0 Glycemic Index - Keto and Paleo - 0 Net Carbohydrates - 1kg

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.

9.4

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What We Like

100% natural ingredients
Zero calories and carbs
Safe for the whole family
Consistent sweetness for cooking
Suitable for special diets

#TOP 6

Castello Erythritol Organic Sugar Substitute

Castello since 1907
720 g (Pack of 1)

Castello since 1907 Erythritol Sweetener Organic Bio Eco | 144 sachets of 5g | Sugar Substitute - Keto and Paleo Friendly - 0 Glycemic - 0 Calories - 0 Net Carbs - Made by corn 100% Non-GMO - 720 g

Castello Erythritol is an ideal choice for those seeking a healthy sugar substitute. It is made from 100% certified Non-GMO corn, ensuring that you are consuming a safe product free from genetically modified organisms. This sweetener is perfect for various diets, including Keto and Paleo, as it has a glycemic index of 0, making it suitable for diabetics. With 0 calories and 0 carbohydrates, you can enjoy sweetness without worrying about calorie intake. Additionally, it dissolves easily in both hot and cold beverages, allowing for versatile use in your cooking and baking.

9.4

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What We Like

Organic and eco-friendly
Non-GMO certified
0 calories, 0 carbs
Safe for diabetics
Dissolves easily in liquids

#TOP 7

Castello Stevia + Erythritol 1:3 Natural Sweetener

Castello since 1907
BOLYDOOM
1 kg (Pack of 1)

Castello since 1907 Stevia + Erythritol 1:3 Sweetener | 1g = 3g of sugar | 100% Natural taste Sugar Substitute - 0 Calories - 0 Glycemic Index - Keto and Paleo - 0 Net Carbohydrates - Non-GMO - 1kg

Castello Stevia + Erythritol is a 100% natural sweetener that provides a great alternative to sugar without compromising on taste. It contains zero calories and carbohydrates, making it ideal for maintaining a healthy lifestyle. You will find that its sugar-like texture dissolves easily in both hot and cold beverages, as well as in your baking and cooking. This sweetener is suitable for everyone, including vegans and vegetarians, ensuring you can enjoy sweetness without guilt.

9.3

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What We Like

100% natural ingredients
Zero calories and carbs
Easy to use in cooking
Suitable for various diets
Safe for the whole family

#TOP 8

Castello Stevia + Erythritol Natural Sweetener

Castello since 1907
850 g (Pack of 1)

Castello since 1907 Stevia + Erythritol 1:3 Sweetener | 1g = 3g of sugar | 100% Natural taste Sugar Substitute - 0 Calories - 0 Glycemic Index - Keto and Paleo - 0 Net Carbohydrates - 850 g

Castello Stevia + Erythritol is a 100% natural sweetener that allows you to enjoy sweetness without the calories. With zero calories and carbs, it is ideal for maintaining a healthy lifestyle. Its sugar-like texture ensures easy dissolving in both hot and cold beverages, making it perfect for your morning coffee or baking needs. Plus, it’s a safe choice for the whole family, including pets, as it contains no artificial additives or flavours. This sweetener is a fantastic option for those on special diets like keto or paleo.

9.2

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What We Like

100% natural ingredients
Zero calories and carbs
Easy to use in cooking
Safe for pets
Ideal for special diets

#TOP 9

Castello Stevia + Erythritol Natural Sweetener

Castello since 1907
BOLYDOOM
1 kg (Pack of 1)

Castello since 1907 Stevia + Erythritol 1:2 Sweetener | 1g = 2g of sugar | 100% Natural taste Sugar Substitute - 0 Calories - 0 Glycemic Index - Keto and Paleo - 0 Net Carbohydrates - Non-GMO - 1kg

Castello Stevia + Erythritol is a 100% natural sweetener that offers a delicious alternative to sugar without the calories. Perfect for maintaining a healthy lifestyle, it has zero calories and carbs, making it suitable for various diets. You will appreciate its sugar-like texture, which dissolves easily in both hot and cold beverages, as well as in baking. Unlike many sweeteners, it contains no artificial flavours or additives, ensuring you enjoy a pure, natural taste in every use.

9.0

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What We Like

Zero calories and carbs
Natural ingredients only
Easy to use in drinks
Safe for pets
Suitable for special diets

Editor's Notes

During our paleo sweetener research, we found 37 paleo sweetener products and shortlisted 9 quality products. We collected and analyzed 44,047 customer reviews through our big data system to write the paleo sweeteners list. We found that most customers choose paleo sweeteners with an average price of £9.76.

The paleo sweeteners are available for purchase. We have researched hundreds of brands and picked the top brands of paleo sweeteners, including Castello since 1907 and more.

Written by

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.