Earlier quoted context omitted.
It's not a good idea because while one can avoid eating red meat, collagen hydrolysate is mainly obtainable only from bovine sources. Fishes are polluted. As one gets older, collagen becomes necessary for remaining healthy, and no synthetic amino acid mixture comes close in effect. Also imagine that meat can in theory be lab grown.
No thanks. I'd rather not get prion disease. Also: 1. Eating collagen supplements has not been established as a necessary dietary requirement. Your cells synthesize collagen from amino acids, with vitamin C serving as a required cofactor. Some trials report modest improvements in wrinkles, skin hydration, joint pain, or bone measures, but that supports collagen as an optional targeted supplement, not something everyo…
0. There is near-zero risk of prion disease from cows in the US considering they're domesticated, not wild. There is no recent history of it either in the US. Collagen hydrolysate is highly processed to be short-chain.
1. As one gets older, vitamin C, no matter how much of it is consumed, is useful but insufficient for collagen synthesis.
2. You're right in theory about chicken/fish/pork collagen, but the commercial availability of their derived collagen hydrolysate is terrible or contaminated. Only bovine collagen hydrolysate has excellent and contaminant-free commercial availability.
3. You're measuring the wrong thing. It is not isolated amino acids have the resulting healing effects. It is only peptides, and these are poorly synthesized from plain amino acids.