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A comment on Human gut bacterial enzyme ingests L-dopa and converts it to dopamine.

Re:Human gut bacterial enzyme ingests L-dopa and converts it... by CapriciousCptl on Thursday February 20, 2020 @07:38PM (#22379992)
Dopamine doesn’t cross the blood brain barrier— sorry to burst the bubble of a lot of the posts here. In fact, for the dopamine deficient disease, Parkinson’s, L-dopa is the treatment because it does cross and is the converted to dopamine after crossing.
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Re:Human gut bacterial enzyme ingests L-dopa and converts it... by eganist on Thursday February 20, 2020 @07:42PM (#22380014)
This doesn't rule out the effect of dopamine on the rest of the nervous system, including the hundred million neurons wrapping the gut as well as the neurons modulating heart function.
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