Drinking one cup of green tea extract with a bit of caffeine and a special compound called EGCG can help your body burn slightly more calories and more fat throughout the day—without changing how it handles protein.

49

Pro

0

Against

Evidence from Studies

Supporting (1)

49

Community contributions welcome

49

Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans.

Randomized Controlled Trial

Human

1999 Dec

The study gave men a green tea pill with the same amount of caffeine and active compound as the claim, and found they burned more calories and fat without breaking down more protein — exactly what the claim says.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans.

Score: 49

DOI: 10.1093/ajcn/70.6.1040

Similar Assertions

Drinking green tea might help you burn more calories and fat, but it’s not because of the caffeine—it’s something else in the tea, since just taking the same amount of caffeine by itself doesn’t do anything noticeable.

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Taking a specific green tea extract every day for four weeks helps your body burn more fat while you exercise—without making you burn more total calories—so your body uses fat as fuel more efficiently.

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Drinking green tea extract can help your body burn more fat over a full day—even if you remove the caffeine from it.

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If you drink less than about three cups of coffee a day, green tea extract might help you burn fat better—but if you’re already a big caffeine drinker, it might not help as much.

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Taking a daily decaffeinated green tea supplement for four weeks may help your body burn more fat and less sugar during workouts, making your exercise feel more efficient.

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