EXTREMELY POTENT. This THC Rick Simpson oil is the best oil for patients with cancer and can be used for chronic pain, PTSD, and many other ailments. It is the most potent form of oil on the market and if you have not taken this before it is best to start very small, small meaning half the size of a grain of rice. This batch is 63% THC, 3% CBN, and 1.4% CBD. Comes in a one gram syringe.