Anyone tried this? “The most important study to date shows that Larrea extract is 1000 times more potent than synthetic antiviral drugs.”An Effective, Natural remedy for Cold sores, Genital herpes, Shingles, Chickenpox, Epstein-Barr, and other herpes outbreaks. Here's the link to some quite impressive studies. I'm thinking of trying it. http://www.awakening-healing.com/Books/TreatingHerpesNaturally.pdf Since my husband and I both have EBV, me long term and he short term it might be a good test to see if this really helps either one of us. I will let you know if it helps.