Protein quality of new "test tube" proteins, i.e. protica & IDS

I have not seen anyone address the quality and type of protein contained in 3oz vials of portable proteins one is called "Profect protein" by Protica and the other is made by IDS called "New Whey". They contain 25gm of primarily "collagenic protein isolates" followed by whey protein isolates then casein protein isolate. I always heard "whey protein" is the gold standard of protein, so what is the deal with the "collagenic protein isolate"- is it a good quality protein for us to use and absorb? Thanks

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