Melatonin production affected by this gut bacteria : ENTEROBACTER AEROGENES

[Little_apple]

Here, we demonstrate at least one species of commensal bacterium from the human gastrointestinal system, Enterobacter aerogenes, is sensitive to the neurohormone melatonin, which is secreted into the gastrointestinal lumen, and expresses circadian patterns of swarming and motility.Jan 11, 2016

pubmed.ncbi.nlm.nih.gov/267...

[Boscoejean]

there is quite a bit of conflicting information about melatonin and Parkinson's - it is often suggested that it be used to improve sleep but other studies find that if a person is taking levodopa plasma melatonin is elevated

ncbi.nlm.nih.gov/pmc/articl...

[Boscoejean]

levodopa melatonin

Using levodopa together with melatonin may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination.