Taking a special supplement made from decaf green tea, quercetin, and alpha-lipoic acid for 8 weeks helped overweight people who exercise casually burn more fat during their workouts—like their bodies switched from burning sugar to burning fat more efficiently.

61

Pro

0

Against

Evidence from Studies

Supporting (1)

61

Community contributions welcome

61

The Impact of Decaffeinated Green Tea Extract on Fat Oxidation, Body Composition and Cardio-Metabolic Health in Overweight, Recreationally Active Individuals

Randomized Controlled Trial

Human

2021 Feb 26

The study gave overweight people a special green tea supplement with two other nutrients for 8 weeks, and found they burned more fat during exercise — exactly what the claim says.

Contradicting (0)

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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

The Impact of Decaffeinated Green Tea Extract on Fat Oxidation, Body Composition and Cardio-Metabolic Health in Overweight, Recreationally Active Individuals

Score: 61

DOI: 10.3390/nu13030764

Similar Assertions

Taking a special supplement made from decaf green tea, quercetin, and alpha-lipoic acid for 8 weeks helped overweight people who exercise casually burn 45% more fat during workouts and let them exercise harder before their bodies stopped burning fat efficiently.

61

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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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Taking a special decaf green tea supplement for 8 weeks won’t make you lose weight or shrink your waistline, even though your body gets better at burning fat during exercise.

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Taking a daily supplement made from decaf green tea, quercetin, and alpha-lipoic acid for 8 weeks may lower your 'bad' cholesterol by about 11% in overweight people who exercise casually, without changing their weight or other blood fats.

61

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Taking a specific green tea extract pill every day for a month helped young guys who exercise casually lose a little body fat—without losing any overall weight—while those taking a fake pill didn’t.

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