What are the functions and effects of kombucha?

Sep 12, 2025 Source: Cainiu Health
Dr. Yu Yongchao
Introduction
Under normal circumstances, the main functions and benefits of kombucha include regulating the intestines, providing nutrition, promoting saliva production to relieve thirst, aiding digestion, and refreshing the palate. When consuming kombucha, it is important to choose products that are fully fermented and free of unusual odors, and to avoid drinking spoiled kombucha. For first-time consumption, start with a small amount and observe whether any adverse reactions occur.

Generally speaking, the main functions and benefits of kombucha include regulating the intestines, providing nutrition, promoting saliva production to relieve thirst, aiding digestion, and refreshing the palate. Detailed explanations are as follows:

1. Regulating the Intestines

Kombucha is a fermented product containing probiotics and organic acids, which can help improve the balance of intestinal flora. For symptoms such as bloating and irregular bowel movements caused by dysbacteriosis, moderate consumption can promote intestinal motility, assist in maintaining a healthy digestive environment in the gut, and alleviate gastrointestinal discomfort.

2. Providing Nutrition

During the fermentation process, kombucha produces nutrients such as B vitamins and amino acids, which are essential for maintaining normal physiological functions in the body. Moderate consumption can help supplement these nutrients, partially meeting daily nutritional needs and supporting the maintenance of stable bodily functions, making it suitable as a daily beverage for nutritional support.

3. Promoting Salivation and Relieving Thirst

Kombucha contains ample water and has a mildly sour-sweet taste that can stimulate saliva secretion. When experiencing dry mouth or dehydration, moderate consumption can quickly replenish fluids, alleviate thirst, and help maintain hydration in both the mouth and body. It is especially suitable for consumption during dry seasons or after physical activity.

4. Aiding Digestion

The organic acids in kombucha can stimulate gastric juice secretion and enhance gastrointestinal digestion. For stomach discomfort caused by food stagnation or slow digestion, moderate consumption can assist in breaking down food, reduce the digestive burden on the stomach and intestines, and improve symptoms such as bloating and belching caused by indigestion.

5. Refreshing the Palate

Kombucha has a unique sour-sweet flavor, with a refreshing and smooth texture that is not heavy. Drinking it offers a pleasant sensory experience and can replace some high-sugar beverages. It satisfies taste preferences while supplying hydration, making it suitable for daily leisure or after meals.

When consuming kombucha, it's important to choose products that are fully fermented and free of unusual odors, avoiding spoiled kombucha. First-time consumers should start with small amounts and monitor for any adverse reactions.