If you regularly consume something like vinegar (which has acetic acid), it might help your body switch to burning fat faster when you're not eating carbs or during fasting.
Evidence from Studies
Supporting (2)
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Acetic acid activates hepatic AMPK and reduces hyperglycemia in diabetic KK-A(y) mice.
The study shows that acetic acid turns on a key energy-sensing switch in the liver (AMPK) that helps the body burn fat, which supports the idea that it could help the body adapt to low-carb diets or fasting.
Acetic Acid Influences BRL-3A Cell Lipid Metabolism via the AMPK Signalling Pathway
The study shows that acetic acid turns on fat-burning switches in liver cells, which supports the idea that it helps the body switch to using fat for energy.
Contradicting (0)
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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.