This potent and versatile marijuana extract comes with a variety of benefits, making it a great treatment option for patients. It can be ingested for slower onset and long-lasting effectiveness vaporized for quick onset of effects or used as a topical. All Grassroots Marijuana R.S.O. products are derived from our top strains.

RSO is concentrated cannabis oil created by marijuana activist Rick Simpson in the early 2000s.

What makes this cannabis extract unique is its very high tetrahydrocannabinol (THC) content compared to other concentrates. The oil is a natural, unrefined product derived from cannabis plants through an ethanol-based process.

Rick Simpson Oil is a full-spectrum extract (also known as a whole-plant extract), meaning it still contains all the cannabinoids of the plant, including THC, CBD, flavonoids, proteins, and other compounds.