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Supplements

How Fat Burners Actually Work

What thermogenesis, lipolysis and a 'metabolism boost' really mean, which ingredients have evidence, and why the effect is smaller than labels suggest.

14 min read Updated Nov 10, 2026
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Cup of green tea beside a clay teapot
Explainer
Supplements

How Fat Burners Actually Work

What thermogenesis, lipolysis and a 'metabolism boost' really mean, which ingredients have evidence, and why the effect is smaller than labels suggest.

14 min read Updated Nov 10, 2026

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