noun
General Slang
fat burner
FAT BUR-ner · noun · informal
Thermogenic supplement marketed to speed fat loss.
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Definitions
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A supplement, usually stimulant-based (thermogenic), sold to raise metabolism, curb appetite and support fat loss during a cut.
“The fat burner kills my appetite but makes me jittery.”
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fat burner In A Sentence
The fat burner kills my appetite but makes me jittery.
Origin & Usage
Sports-supplement industry product category.
People Also Ask
Do fat burners actually work?
Fat burners can modestly boost metabolism and suppress appetite via stimulants like caffeine, but they only help alongside a calorie deficit, not on their own.
What's in a fat burner?
Most fat burners are stimulant-based, containing caffeine and thermogenic ingredients like green tea extract, yohimbine or cayenne to raise metabolism and curb appetite.
Are fat burners safe?
For healthy adults they're generally tolerated, but their stimulants can cause jitters, raised heart rate and poor sleep, so dosing and timing matter.
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