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.

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 either green tea extract, just caffeine, or a fake pill. Only the green tea extract made them burn more calories and fat — not the caffeine alone — proving the tea’s benefits come from other ingredients, not just the caffeine.

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

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