You have heard of Rick Simpson and his Phoenix Tears project? Rick Simpson Oil, or RSO, is a concentrated form of cannabis oil known to have medical benefits, particularly for cancer. This is serious medicine and it’s for serious ailments. It will not taste good, but we are told countless stories of relief being provided for patients and results have been extremely positive. Our High THC concentrated oil (68.58% THC) is sold in 1 gram syringes.