Rick Simpson Oil

Rick Simpson Oil (RSO) Author: Craigger, FZT Training Specialist Photo courtesy of Siskiyou Sungrown What is RSO? The term RSO is an acronym for Rick Simpson Oil. RSO refers to extremely potent decarboxylated extracts produced from strong sedative Indica strains, which have THC levels in the 90% range. If Rick Simpson himself did not produce the oils, then calling it …