Eating a high-fat meal before exercising raises levels of free fatty acids in the blood of both lean and obese men, but does not change the levels of the stress hormones epinephrine and norepinephrine in the bloodstream.

31

Pro

0

Against

Evidence from Studies

Supporting (1)

31

Community contributions welcome

31

Acute exposure to long-chain fatty acids impairs α2-adrenergic receptor-mediated antilipolysis in human adipose tissue Published, JLR Papers in Press, July 11, 2007.

Randomized Controlled Trial

Human & In Vitro

2007 Oct

Eating a fatty meal before exercising raises fat levels in the blood in both lean and obese men, but doesn’t change the stress hormones like adrenaline — just like the claim says.

Contradicting (0)

0

Community contributions welcome

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

Acute exposure to long-chain fatty acids impairs α2-adrenergic receptor-mediated antilipolysis in human adipose tissue Published, JLR Papers in Press, July 11, 2007.

Score: 31

DOI: 10.1194/JLR.M700253-JLR200

Similar Assertions

Eating a very high-fat meal before exercising reduces the normal biological brake on fat breakdown in fat tissue under the skin, leading to more fatty acids being released into the bloodstream during physical activity.

31

0

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If untrained guys eat a high-fat diet for 7 weeks, their bodies get better at burning fat from the blood during exercise compared to eating a high-carb diet.

43

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