Shop RSO tinctures online from the official Rick Simpson Oil website. Browse our wide selection of RSO tinctures, designed for easy dosing, fast absorption, and full-spectrum cannabis benefits. We crafted every tincture by blending premium Rick Simpson Oil with a carrier oil for improved bioavailability and precision dosing. Every product we sell is 3rd-party lab tested, made from premium cannabis sativa plants, and legal in the states it’s available in from this site.