Why does collagen not contain cystine or tryptophan? Are they necessary?Updated a month ago
Collagen is the most abundant structural protein in the body and it naturally does not contain cystine or tryptophan. This means that supplementing with these two amino acids would serve no role in supporting collagen generation.
Landish marine collagen contains all the key building blocks your body needs to boost its collagen reserves. For a full breakdown of the amino acids present in each serving, see our amino acid profile article.