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Pg 81 Tyrosine is listed as an essential AA. Should be tryptophan for those who got this wrong like me.
But tyrosine can come from phenylalanine, so it's not really essential right?
in FA2019, it is listed as Tryptophan, not Tyrosine. That was corrected.
Note: Tyrosine is ONLY essential with PKU in children
bro FA2018 lists tyrosine as an essential AA. They played us.