Black Tea May Help In Losing Weight By Changing Bacteria In The Gut

Black Tea May Help In Losing Weight By Changing Bacteria In The Gut

A new study claims, drinking black tea may promote weight loss and speed up your metabolism by encouraging growth of metabolism-boosting bacteria.

Researchers found that black tea stimulates the production of good bacteria in the gut and changes our energy metabolism in the liver via gut metabolites.

Researchers from the University of California in Los Angeles (UCLA) recently conducted an experiment, to determine the difference between the health benefits of black and green tea.

To do so, they examined mice, separating them into four diet categories: a high-fat, high-sugar diet; a high-fat, high-sugar diet supplemented with green tea extract; a high-fat, high-sugar diet supplemented with black tea extract; and a low-fat, high-sugar diet.

After four weeks, they examined their results and found that the mice that had the green and black extracts lost the same amount of weight as those who had the low-fat diet.

The scientists then took a look at the intestines of the animals to measure bacteria and inspected the liver to measure fat deposits.

Mice who consumed the black and green tea had less of the bacteria associated with the obesity and more of the bacteria linked with lean body mass.

The results suggest that both green and black tea are prebiotics, substances that induce the growth of good microorganisms that contribute to a person’s wellbeing, researchers said.

Only the mice that consumed black tea extract had an increase in a type of bacteria called Pseudobutyrivibrio, which might explain the difference in mechanics behind how both green and black tea achieve the same results with regards to energy metabolism.

“It was known that green tea polyphenols are more effective and offer more health benefits than black tea polyphenols since green tea chemicals are absorbed into the blood and tissue,” said Susanne Henning, a professor at UCLA.

“Our new findings suggest that black tea, through a specific mechanism through the gut micro-biome, may also contribute to good health and weight loss in humans,” Henning said.

Whilst numerous studies have hailed the health benefits of green tea, this new study is one of the first to unveil the benefits of polyphenols found in black tea. The study was published in the European Journal of Nutrition.

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