mechanistic
When your body is low on energy and can't switch easily to burning fat, it starts breaking down muscle instead — even though it would be better off burning fat.
Evidence from Studies
Supporting (0)
0
Community contributions welcome
No supporting evidence found
Contradicting (1)
0
Community contributions welcome
20
Hungry for your alanine: when liver depends on muscle proteolysis.
Cross-Sectional Study
Human
2019 Nov 1The study shows that when you're fasting, your muscles break down protein to help your liver make sugar, but it doesn't say your body can't burn fat — so it doesn't prove that fat burning is broken.
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.