CBD, or Cannabidiol is a wondrous cannabinoid that can be derived from hemp and cannabis.
Recent research is encouraging regarding the therapeutic effects of CBD for Social Anxiety and General anxiety. It can also have a noticeable effect on mood, with potential to alleviate depression (subjective).
Here is a comprehensive article on the studies in animals, humans and the mechanisms by which CBD operates:
http://www.chewsomegood.com/cbd-oil-helps-kick-anxiety/
Human Studies:
https://www.ncbi.nlm.nih.gov/pubmed/22290374
https://www.ncbi.nlm.nih.gov/pubmed/?term=Cannabidiol+reduces+the+anxiety+induced+by+simulated+public+speaking+in+treatment-na%C3%AFve+social+phobia+patients
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