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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.

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Which Kombucha is truly healthy?

Just because it says Kombucha doesn't mean it's real Kombucha! Healthy, refreshing, full of probiotics, good for the gut and the immune system… These are just some of the keywords associated with the fermented tea drink.

You hear a lot about this miracle drink! Does this apply to all the ones you find in supermarkets or online shops? We have put together 5 simple facts for you. These will make it easier for you to choose the right purchase.

Checklist for real unpasteurized Kombucha

1. Unpasteurized

In raw kombucha, a sediment or small mini tea fungi and yeasts often form at the bottom. These deposits are a good indicator of unpasteurized and unfiltered production. The many valuable ingredients that can arise during fermentation are still alive. Simply shake the bottle carefully and the deposits will disappear. So always choose products labeled as "Raw" and "unpasteurized."

2. Correct Ingredient Order

As with most foods, good quality can be identified here by the order and composition. For a high-quality kombucha, no more than these 4 ingredients are needed: water, a tea infusion based on black tea or green tea, a kombucha culture, and sugar. In addition, natural ingredients such as fruit juice or herbs or other natural additives can be added. Furthermore, the kombucha culture should not be listed at the end of the ingredient list.

3. Organic Ingredients and No Additives

As with most foods and beverages, it is beneficial to support companies with organic seals. You can also make sure that the kombucha is as simple as possible. Some manufacturers add various artificial additives or extracts to the tea drink after fermentation. These are only used to optimize the taste and are actually unnecessary.

4. Natural Fermentation and Live Cultures

On some bottles, ingredients such as herbal tea ferment concentrate, apple cider vinegar, and acidifiers can be found. These indicate that natural fermentation with a tea mushroom may not have occurred. For a real kombucha, only the kombucha cultures should be listed as much as possible. A specified number of defined cultures alone does not indicate whether a kombucha has been naturally or industrially fermented. Probiotics have been added subsequently in the form of dietary supplements.

5. Color, Smell, and Consistency

A real, naturally fermented kombucha has a slight, natural cloudiness and no artificially bright color. The color always depends on the tea used and the natural ingredients. The smell is fresh, slightly sour and reminiscent of a gentle fermentation - not artificially sweet or strongly flavored. A fine perlage is also normal, as it results from natural fermentation. If, on the other hand, the kombucha is very clear, extremely sweet or unusually intensely colored, this often indicates strong filtration, flavorings or industrial processing.

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