english: Variations in things like enzyme levels, gut bacteria, and even intestine length, means that every individual's ability to extract energy from food is a little different.
non_english: Variacije v stvareh kot je raven encimov, bakterije v črevesju in celo dolžina črevesja, pomeni, da je sposobnost posameznika, da pridobi energijo iz hrane, pri vsakem malo drugačna.