Eating a small sugary snack before your workout might make it harder for your body to get better at burning fat during exercise, even if you fast the rest of the day.

0

Pro

55

Against

Evidence from Studies

Supporting (0)

0

Community contributions welcome

No supporting evidence found

Contradicting (1)

55

Community contributions welcome

55

Effects of time‐restricted feeding and meal timing on an 8‐week fat oxidation exercise training program—A randomized controlled trial

Randomized Controlled Trial

Human

2025 Jan

This study found that eating a carb snack before fat-burning exercise didn’t stop people from improving their fat-burning ability — even though the claim says it does. So the study disagrees with the claim.

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

Effects of time‐restricted feeding and meal timing on an 8‐week fat oxidation exercise training program—A randomized controlled trial

Score: 55

DOI: 10.14814/phy2.70194

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