To wise people here:

Can body use the dietary protein both as direct energy source? I found such
a statement in some publications.

I thought that protein is used to make glucose through the process of
gluconeogenesis and than glucose is used as energy source.

If so is it a efficient process and can it supply large energy portion or
should it be treated as marginal?

If Paleo men sometimes was forced to live on up to 50% of calories from
protein (as many Paleo authores suggest) it may be true but I just wonder
how. Are amino acids burnt for anergy or what?


Regards,

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