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NutritionFacts.org Video Podcast

Friday Favorites: Fat-Blocking Benefits of Hibiscus Tea

NutritionFacts.org Video Podcast

Michael Greger, M.D. FACLM

Nutrition, Alternative Health, Health & Fitness

4.8951 Ratings

🗓️ 14 November 2025

⏱️ 5 minutes

🧾️ Download transcript

Summary

What did a randomized, double-blind, placebo-controlled trial of hibiscus tea for weight loss find?

Transcript

Click on a timestamp to play from that location

0:00.0

Hibiscus tea, also known as Roselle or Jamaica, is enjoyed around the world hot or cold

0:16.0

for its bright red color and tart cranberry-like flavor.

0:19.0

It's the Zing in Red Zinger tea.

0:21.6

Now, talk about its benefits in the chapter on high blood pressure and how not to die,

0:26.6

working as well as some leading anti-hypertensive medications in head-to-head tests,

0:32.6

or even beating the drugs out.

0:36.6

Within three hours of drinking hibiscus tea changes in

0:40.1

hundreds of metabolites can be detected in the human bloodstream with creative names like

0:45.2

hibiscus acid or hibiskin or hibisitrin. Alterations in human gene expression

0:51.0

of the three-hour mark after drinking it suggests a down-regulation

0:54.3

of cholesterol synthesis and an improvement in metabolism, but randomized control trials failed

1:00.1

to consistently find cholesterol-lowering benefits.

1:02.8

An interesting side effect popped up, though.

1:05.9

Weight loss.

1:07.5

In Mexico, hibiscus tea has been traditionally used as a treatment for obesity, sparking lots of research interest.

1:13.8

Computer modeling studies have suggested that certain hibiscus compounds might bind to the fat-digesting enzyme lipase like a lock-in key.

1:21.7

Test tube studies screening a variety of medicinal plants did indeed find hibiscus inhibited light paste more than most

1:28.0

of the others, and hibiscus has been found to reduce body fat in hamsters, mice, and rats,

1:37.3

increasing fecal fat excretion, but it wasn't tested in people until this study published

1:43.6

in 2014.

1:45.4

The title gives the findings away.

1:48.4

Spoiler alert,

...

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