This article says that St. Johnswort helped people with OCD:
www.webmd.com/mental-health/news/20000817/popular-herb-works-for-obsessive-compulsive-disorder"... a group of 12 obsessive-compulsive patients with hypericin, which is the active ingredient in St. John's wort. Behavior was monitored weekly by both the patients and their physicians.
Obsessive-compulsive symptoms improved notably within a week after treatment began and continued to improve throughout the trial. about
40% of the patients were found to be "much improved" or "very much improved" by both the clinicians and the patients themselves. about
half indicated that their symptoms were "minimally improved," and only one patient was found to be unchanged.
This one gives dosage:
psychcentral.com/lib/natural-and-herbal-supplements-for-common-mental-disorders/Although this article has even more suggestions, and a ton of informatoin:
www.lifeextension.com/protocols/emotional-health/obsessive-compulsive-disorder/page-10 Hopefully someone with experience with this will be along shortly, but until then I was hoping to help you find some information. I hope it helps!