Tyrosine
Parkinson's Disease Supplement: The Catecholamines
Synthesis of
Dopamine, Norepinephrine and Epinephrine:
Tyrosine
(tyrosine
hydroxylase)
l-Dopa (dihydroxyphenylalanine)
(l-amino
acid decarboxylase)
Dopamine
(dopamine
B-hydroxylase)
Norepinephrine
(phenylethanolamine N-methyltransferase)
Epinephrine
