St John's Wort (aka St Joan's Wort- Hypericum perforatum) 

A powerful antiviral, depression ally and pain support herb, St John's Wort has traditionally been used to quell herpes breakouts (wonderful for cold sores), manage depression (I use her for SAD, the bane of my Winter experience), and as a nervine to aid with acute and chronic pain relief, amongst a host of other uses. Often called "Sunshine in a Bottle", but so much more than that!
 
Note: I am not a doctor, and most herbal substances are not FDA regulated. I cannot prescribe or advise your use of this or any other herb/mushroom preparation on this website and none of the information or items found herein constitutes medical advice or substitutes for medical treatment. Always consult a doctor and thoroughly research before beginning work with any herb or mushroom.