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Editorial Note: This article deals with general scientific findings on kombucha and not with Kombuchery products. Scientific findings and study results are not automatically transferable to individual foods or products. The article does not replace medical or nutritional advice and is not to be understood as a health-related statement about specific foods or products.

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Kombucha has a long tradition as a fermented tea beverage. Depending on the production process, fermentation produces different organic acids and other fermentation products.

Since sugar is used for fermentation and some of it remains in the finished beverage, people with diabetes, in particular, may wonder how kombucha can be incorporated into their diet. The sugar and carbohydrate content of the respective beverage, as well as the individual diabetes treatment, are particularly important.

In this article, you will learn about the characteristics of the different types of diabetes, how to assess the sugar and carbohydrates in kombucha, and what to look for when choosing a specific beverage.

Types of Diabetes – Causes and Effects

Diabetes mellitus refers to various metabolic diseases in which blood sugar levels can be persistently elevated. The causes, course, and treatment differ depending on the type of diabetes. The body needs the hormone insulin so that glucose can be taken up from the blood into the body cells. After a meal, blood sugar levels rise. The pancreas then releases insulin.

In diabetes, insulin production or the effect of insulin is impaired. In type 1 diabetes, the body produces little or no insulin due to an autoimmune reaction. In type 2 diabetes, body cells often initially respond less sensitively to insulin. This so-called insulin resistance can be accompanied by declining insulin production over time.

Persistently elevated blood sugar levels can damage blood vessels and nerves. Possible complications affect, among others, the kidneys, eyes, cardiovascular system, and nervous system. This is why an individually tailored treatment and regular medical check-ups are important.

There are different types of diabetes

In type 1 diabetes, an autoimmune reaction destroys the insulin-producing cells of the pancreas. Type 2 diabetes is characterized by reduced insulin effect and, over time, often also by impaired insulin production. In addition, there is gestational diabetes and other rarer forms of diabetes. Treatment depends on the type of diabetes, the metabolic situation, and individual factors.

Symbolic image on the topic of kombucha and diabetes

People with type 1 diabetes need insulin. In type 2 diabetes, therapy is tailored individually to the metabolic situation and course of the disease and can include dietary adjustments, exercise, and medication. For beverages such as kombucha, the stated carbohydrates and sugar content are particularly relevant for people with diabetes.

Kombucha for people with diabetes: yes or no?

Kombucha has a long tradition as a fermented tea beverage. Over the years, it has been attributed with a wide range of properties. For a diet in diabetes, kombucha is best assessed based on its specific composition, its sugar and carbohydrate content, and individual tolerance.

People with diabetes do not necessarily have to exclude kombucha. Whether and in what quantity the beverage fits into the personal diet plan depends, among other things, on the nutritional content, the individual blood sugar response, and the respective therapy. There is no evidence of a preventive effect or a generally applicable daily intake amount for kombucha.

Anyone who has to consider their carbohydrate intake as part of diabetes therapy should pay attention to the nutritional information of the specific product. In self-fermented kombucha, the residual sugar content can vary depending on the recipe and fermentation process. Anyone who uses insulin or has to specifically control their blood sugar should clarify any open questions with their treating physician or a qualified nutrition professional.

Kombucha in a glass vessel with kombucha culture, carafe, and drinking glass

Kombucha: Effect on glucose metabolism

For people with diabetes, it is particularly important how many carbohydrates and how much sugar a specific kombucha beverage contains. Sugar is needed for fermentation. Some is metabolized by the microorganisms, while depending on the recipe and fermentation time, different amounts of residual sugar remain in the finished beverage.

This is why it is worth taking a close look at the nutritional information. The sugar content alone does not always describe the total amount of carbohydrates. If you have to calculate carbohydrates for your therapy, use the carbohydrate information on the label as a guide. With homemade kombucha, the actual content is difficult to assess accurately without a suitable analysis.

If you are unsure whether kombucha fits into your diet plan, seek advice from your treating physician or a qualified nutrition professional. Always consider the nutritional information and the serving size when purchasing, as the composition can differ significantly depending on the manufacturer and product.

FAQ: Frequently asked questions about kombucha and diabetes

What exactly is kombucha?

Kombucha is a fermented tea beverage made with the help of a kombucha culture. This culture consists of various bacteria and yeasts. During fermentation, the microorganisms metabolize components of the sweetened tea. This produces, among other things, organic acids and other fermentation products that contribute to the characteristic sweet-tart taste.

Kombucha has a long tradition as a fermented tea beverage. Its exact composition depends, among other things, on the ingredients used, the culture, and the conditions during production.

What does kombucha taste like?

Kombucha can taste different depending on how it is made, processed, and the ingredients used. Unpasteurized kombucha often tastes sweet-tart and, depending on the recipe, can also be tart or fizzy.

The type of tea used, the sugar source, the fermentation time, and other ingredients influence the flavor. The addition of fruit juices or spices can further change the taste.

Kombucha varieties range in taste from sweet-tart to spicy ginger, fruity, and exotic. If you have to pay attention to your sugar or carbohydrate intake, the nutritional information of the respective product is always crucial, regardless of the taste.

How much sugar does kombucha contain?

The sugar content varies depending on the manufacturer, recipe, and fermentation process. According to the stated nutritional values, Kombuchery contains 2.3 g of sugar per 100 ml. This corresponds to 9.2 g of sugar in a 400 ml bottle. Check the current nutritional information on the product packaging before consumption.

In self-fermented kombucha, the residual sugar content can fluctuate. A longer fermentation does not automatically mean that the beverage is sugar-free. In addition, when managing diabetes, attention should be paid not only to the sugar value but also to the total carbohydrate content.

What ingredients are in kombucha?

The exact composition of kombucha depends on the type of tea, the kombucha culture, the sugar source, the fermentation time, and the production process.

Typical components are tea, sugar, and various bacteria and yeasts. During fermentation, organic acids and other fermentation products are produced, among others. Which vitamins, minerals, and microorganisms are actually contained, and in what quantities, varies from product to product.

Can kombucha lower blood sugar?

So far, there is insufficient evidence that kombucha reliably lowers blood sugar or can replace diabetes treatment. People with diabetes should therefore not use kombucha as a means to lower blood sugar and should not change their prescribed therapy on their own.

Which kombucha is suitable for people with diabetes?

The nutritional information of the specific product is crucial, especially the carbohydrates per 100 ml and per actually consumed serving. Compare the information of different beverages and incorporate it into your individual diet plan. If you use insulin or are unsure how to assess a beverage, seek medical or nutritional advice.

The most important points at a glance

  • Kombucha usually contains residual sugar: The amount depends on the product, recipe, and fermentation.
  • The nutritional information is crucial: Pay attention to both sugar and carbohydrates per 100 ml and per serving.
  • Homemade kombucha can vary greatly: The residual sugar content cannot be reliably determined without analysis.
  • No proven diabetes treatment: Kombucha is not a substitute for medication or other medically recommended measures.
  • Individual advice: If you have to specifically control your carbohydrate intake or blood sugar, clarify any open questions with your treatment team.

1 comment

    • Valverde Daniel
    • October 15, 2024 at 10:42 am

    Bonjour, je suis DT2, quelle est la quantité à boire par jour? Le matin à jeun, es ce bon? Où peut on acheter le Kombucha et la cure doit durer combien de temps ? Merci beaucoup pour votre réponse. Je suis sous insuline et metformine 1000mg/jour le midi . Cordialement.

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¹at the time of bottling
²Vitamin C contributes to the normal function of the immune system, normal energy-yielding metabolism, and the protection of cells from oxidative stress.
  • Vitamin C contributes to the normal function of the immune system.
  • Vitamin C contributes to normal psychological function.
  • Vitamin C contributes to normal energy-yielding metabolism.
  • Vitamin C contributes to the reduction of tiredness and fatigue.
  • Vitamin C contributes to the normal functioning of the nervous system.
  • Vitamin C contributes to the protection of cells from oxidative stress.
  • Vitamin C contributes to the regeneration of the reduced form of vitamin E.
  • Vitamin C contributes to normal collagen formation for the normal function of the skin.
  • Vitamin C contributes to normal collagen formation for the normal function of blood vessels.
  • Vitamin C contributes to normal collagen formation for the normal function of bones, cartilage, teeth and gums.
  • Vitamin C increases iron absorption.