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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.

The content is based on scientific literature, publicly available sources, and the author's assessment, and does not claim to be exhaustive. New studies may confirm, supplement, restrict, or refute existing findings. Scientific publications should therefore always be considered in the overall context of the available evidence.

Studies generally refer to the specific conditions, ingredients, microorganisms, dosages, manufacturing processes, and groups of people investigated. The presented results cannot therefore be readily transferred to other foods, recipes, manufacturing processes, or products.

No statements about the effects, properties, or health benefits of specific foods or products can be derived from the information presented.

Health-related claims for foods in the European Union are subject to the applicable legal requirements. The presentation of scientific research is therefore not to be equated with a permissible health-related claim about a food or product.

If you would like to delve deeper into a topic, we recommend consulting the scientific sources linked in the article and other independent specialist literature to gain as comprehensive an understanding as possible of the current state of research.

How to recognize good Kombucha?

Kombucha can differ significantly depending on the ingredients, fermentation process, and further processing. If you want to compare different products, some information on the label and ingredient list can help you. We have put together five simple points to look out for. These will make it easier for you to choose the right purchase.

Checklist for real unpasteurized Kombucha

1. Unpasteurized

With raw Kombucha, some sediment or small mini tea fungi and yeasts often form at the bottom. In unfiltered Kombucha, visible cloudiness or deposits may occur. However, whether a product has been pasteurized and contains living cultures can be more reliably judged by the manufacturer's information than by its appearance alone. Simply shake the bottle gently and the deposits will disappear. If living cultures are important to you, you can look for terms like "raw" or "unpasteurized." Whether a Kombucha meets your quality expectations also depends on ingredients, taste, and processing.

2. Correct Ingredient Order

A look at the ingredient list and ingredient order can also help you compare different Kombuchas. Classic Kombucha is based on a few basic ingredients such as water, tea, sugar, and a Kombucha culture. Depending on the recipe, other ingredients such as fruit juices, herbs, or spices may be added. Which composition you prefer ultimately depends on your personal requirements and taste.

3. Organic Ingredients and No Additives

If organic farming is important to you, you can look for appropriate organic certification when purchasing. You can also make sure that the Kombucha is kept as simple as possible. Some manufacturers add various artificial additives or extracts to the tea drink after fermentation. Whether additional ingredients are used depends on the recipe and desired taste profile.

4. Natural Fermentation and Live Cultures

Ingredients such as ferment concentrates, acidulants, or additional cultures can indicate different recipes and manufacturing processes. However, the entire fermentation process or the quality of a Kombucha cannot be reliably deduced from individual ingredients alone. If certain properties are important to you, it is therefore worth taking a look at the complete ingredient list and information on fermentation, pasteurization, and contained cultures.

5. Color, Smell, and Consistency

Color, smell, clarity, sweetness, and carbonation can differ significantly in Kombucha depending on the tea used, other ingredients, filtration, and manufacturing process. Cloudiness, deposits, or a fine perlage can also occur depending on the product. These properties alone are therefore not a reliable quality characteristic.

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*Vitamin C contributes to the normal function of the immune system, normal energy 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.