Linked from
The 7 pages that link to Methionine, each with the reason it gives.
CysteineRelated: Methionine metabolism can contribute to cysteine production in animals.
AcroleinRelated: Acrolein is used as a starting material in one industrial route to methionine.
CreatineRelated: Its methyl donor supports the final step of creatine biosynthesis.
HomocysteineRelated: Homocysteine forms when methionine loses a methyl group during metabolism.
MethanethiolRelated: Microbial breakdown of methionine is a major natural source of methanethiol.
TaurineRelated: Methionine can supply sulfur that ultimately enters taurine biosynthesis.