Actually, RED MEAT is the best protein to eat. Why? Because it has the perfect blend of amino acids our body needs. If the mix of amino acids is wrong, our body builds what it can and ejects most of the leftover.
Red meat is better than white meat which is better than fish, but any animal flesh will beat plant protein. Because we’re not plants!
“Apparent (AD) and true (TD) digestibilities of the EAA fluctuated between 33 and 59% and 60 and 85%, respectively, for black beans. With red beans, these results diminished: 29 and 55% AD and 64 and 81% TD, while for white beans the limits extended: 18 and 57% AD and 36 and 86% TD.”
https://pubmed.ncbi.nlm.nih.gov/1822068/
For a detailed explanation, I recommend “Dr. Peter Ballerstedt - ‘Ruminating on Protein: Plants & Animals’” on YouTube:
https://www.youtube.com/watch?v=lzsEqV0Bjcs
Red meat is better than white meat which is better than fish
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Fish is not a meat, but in a different category altogether. Which is why so much spoils in seafood displays - fresh fish & shellfish is odorless - and must be completely covered in cold ice when on display, else the rot begins. Grocers do not understand this about fish, insisting on treating it as if it was cow, chicken, pig, despite the continued losses.