> Now go take a look at the protein in every store bought baby formula option
Cow milk; the major infant formula brands, in their main product line, may include soy oil (they use a variety of oils depending on changing supply circumstances) which is not a protein source, and do not include any other soy products.
There are soy protein formulas for infants with galactosemia, who can take neither breast milk nor cow milk based formulas, but that's a fairly special niche.
> any store bought nutrition shake
Very often, cow milk (whey protein isolate and/or milk protein isolate are common), though soy and pea protein are also common.
Cow milk; the major infant formula brands, in their main product line, may include soy oil (they use a variety of oils depending on changing supply circumstances) which is not a protein source, and do not include any other soy products.
There are soy protein formulas for infants with galactosemia, who can take neither breast milk nor cow milk based formulas, but that's a fairly special niche.
> any store bought nutrition shake
Very often, cow milk (whey protein isolate and/or milk protein isolate are common), though soy and pea protein are also common.