I emailed the people at suvida.com, the former springwellness.com and I asked them who eactly is the maker of Seroctin and where were these "numerous studies" published. All they said is: "We will consider your input" and I was like... input, those were questions dudes, sheesh.
I posted the whole email on the SJW site.
My opinion is: it's clearly junk, don't waste your dough :flush
PS: These people that are posting positive results about abscure products might very well be the people that are selling it, so stick with your sound judgement. Peace