There’s been quite a bit of research on the benefits of green tea. Now a new study published in the European Journal of Nutrition suggests the polyphenols found in black tea might also help with weight management.
In lab mice, green tea polyphenols are absorbed into blood and tissue. But black tea polyphenols are too large to be absorbed in the small intestine. Instead, they stimulate the growth of gut bacteria that alters energy metabolism.

Researchers found that both green and black tea polyphenols promote the growth of beneficial microorganisms in rodents. With both types of tea, they found more digestive system bacteria associated with lean body mass and less associated with obesity.

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