1:1 Ratio of THC to CBD. Each Capsule contains 5MG of THC and 5MG of CBD. 10 Capsules total. RSO, or Rick Simpson Oil, is named after a Canadian cancer patient turned cannabis activist. RSO is sometimes referred to as a "whole plant" or "full spectrum" extract because it retains the full cannabinoid, terpene, and chlorophyll profile of the source material by using specific solvents.