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the claim

Protein's gross energy is 5.65 kcal per gram, but food labels use 4 kcal per gram after metabolic losses.

the verdict
INSUFFICIENT LEANING
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Protein's gross energy is 5.65 kcal per gram, but food labels use 4 kcal per gram after metabolic losses?

Unclear. Two reference sources support the 4 kcal/g figure for protein as a metabolizable-energy value after losses in stool and urine, and one notes a 1.25 kcal/g correction applied to bomb calorimetry data. None of the retrieved items states the 5.65 kcal/g gross energy figure, so the first half of the claim is not covered.

Verdict: PARTIAL LEAN · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Why does protein have 4 calories per gram?
2018
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Why does protein have 4 calories per gram?. (2018). biology.stackexchange.com. https://biology.stackexchange.com/questions/76389/why-does-protein-have-4-calories-per-gram

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More for · 2
Dietary Energy -
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Dietary Energy - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1093/advances/nmac092

CHAPTER 3: CALCULATION OF THE ENERGY CONTENT OF FOODS - ENERGY CONVERSION FACTORS
Get citation
CHAPTER 3: CALCULATION OF THE ENERGY CONTENT OF FOODS - ENERGY CONVERSION FACTORS. (n.d.). fao.org. https://www.fao.org/4/y5022e/y5022e04.htm

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