yes, niacin is involved with serotonin.
This article is the easiest to understand, as the chemistry is rather complex and difficult to process:
http://accidentalscientist.com/2009/...es-prozac.html
Nicotinamide or flush free niacin has no side effects. Seems your experiment revealed and important fact for you!
You could have some minor genetic defect that makes you more needy of the niacin. Taking it the way you are is not dangerous or expensive. I have used the NOW brand on and off for years to try and help my "cholesterol" problems...
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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