Green Tea: A Natural Remedy for Constipation

Constipation can be caused by various factors such as diet, lifestyle changes, nervousness, skipping breakfast, and lack of exercise. Additionally, constipation is also linked to lifestyle diseases like intestinal cancer. A Zen priest named Eisai, in his book “Kissayojoki,” explained the effectiveness of green tea in improving fecal conditions.

The Role of Intestinal Flora

The human intestine contains more than 100 trillion bacteria of over 100 different species. This collection of bacteria is referred to as the intestinal flora. Among these bacteria, some are beneficial, such as colon bacillus, while others are harmful. When there are more bad bacteria, it can lead to diarrhea or constipation. Bifidobacterium is one of the beneficial bacteria that play a crucial role in maintaining our health, particularly in regulating bowel movements.

The Beneficial Effect of Tea Catechins

Tea catechins are known to be bactericidal towards harmful bacteria, while increasing the number of beneficial bacteria such as bifidobacteria. This means that tea catechins can help regulate bowel movements by increasing the population of beneficial bacteria in the gut. Studies have shown that tea catechins lead to an increase in fecal matter and good bacteria. However, it is important to note that the effect is only temporary, and regular tea consumption is required to maintain these benefits.


Green tea contains catechins that can increase the population of beneficial bacteria in the gut and help regulate bowel movements. Incorporating green tea into your diet can be a natural remedy for constipation and promote overall digestive health.

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