Another oil to try is CPTG Copaiba oil from doTERRA. (CPTG = certified pure therapeutic grade.) In 2017 the company's scientists examined the chemistry of CBD oil from multiple suppliers; they found inconsistencies in the chemistry with various kinds of contamination, batch to batch, and therefore CBD did not meet their quality standards. (I also have a friend whose son was one of the many hospitalized on the West Coast last fall after falling ill from a batch of CBD oil that was contaminated with a bacteria.) THe most trusted source of essential oils is doTERRA, who has partnered with John Hopkins and numerous other research hospitals and is highly respected in the medical world for supplying the highest quality, third-party certified pure therapeutic grade oils suitable for research. Their researchers determined that Copaiba oil, which also works within the same endocannabinoid B receptors found throughout in the body, to be significantly more therapeutically effective than CBD oil. doTERRA's Copaiba is sourced from artisan farmers in the Amazon rainforest, comes from four different related species of the Amazon trees. It is noted is the most highly anti-inflammatory and soothing essential oil chemistry. (The main chemical constituent of Copaiba is beta-carophyllene,) FYI... there's new research that deficiencies in the endocannabinoid system in the body appears linked/may be causative, of chronic fatigue syndrome. torch diamond thc-o