[marcc]

Will you elaborate on the obvious reasons? Pretend they aren't obvious to me.

I'm interested in reading more about athletic advantages gained from consuming meat. Is there a reason that other sources of protein aren't giving the same benefit?

[jriot]

Here is a good article breaking it all down along with the amounts you would need to eat to get the same benefit.

https://www.muscleforlife.com/animal-protein-vs-plant-protei...

[gruez]

efficiency in that context means from a global of view, not how much time you're spending eating.