Found 1 comment on HN
triangleman · 2018-05-07 · Original thread
Just this one:

However that is just a book, and it doesn't even make a big deal out of 5-HTP in particular. I guess that's how I found out about it though. There are a number of supplements people take to tackle their own ailments including depression, and that is one of them.

There's a reddit community /r/nootropics which discusses mood-altering supplements a lot.

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