https://www.sciencedaily.com/releases/2017/04/170419130352.htm
“While healthy cells are able to make sufficient serine and glycine, cancer cells are much more dependent on getting these vital amino acids from the diet.”
“This is a really interesting look at how cutting off the supply of nutrients essential to cancer cell growth and division could help restrain tumors.”
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3989988/
“Serine and glycine are biosynthetically linked, and together provide the essential precursors for the synthesis of proteins, nucleic acids, and lipids that are crucial to cancer cell growth.”