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L-dopa
L-dopa L-dopa, also called levodopa, is the naturally occurring form of dihydroxyphenylalanine and a direct precursor of dopamine.
L-dopa, also called levodopa, is the naturally occurring form of dihydroxyphenylalanine and a direct precursor of dopamine. Unlike dopamine, it can be taken by mouth and cross into the brain, where nerve cells convert it to dopamine; it is used in treating parkinsonian disorders.