CBD oil is most readily available as a tincture. This can be taken by applying a few drops under your tongue, holding in your mouth for a few moments so it can be absorbed, before swallowing. It can also be added to water or smoothies. A spray form is available (simply spritz under your tongue), as are capsules, creams that can be applied topically, and e-liquid for vape pens.
He emphasises that the company’s products are “whole-plant extracts that include a variety of phytochemicals, not just CBD. These beneficial compounds include a range of phytocannabinoids, terpenes and flavonoids that work together.” This isn’t necessarily seen as a positive by researchers, with McGuire saying: “They muddy the water.” However, Sativex is also a plant extract containing other cannabinoids and substances. David Potter, chief botanist at GW Pharmaceuticals, which makes the drug, says the evidence at the time the drug was developed “suggested there was a synergy between these active ingredients”.
^ Nadulski T, Pragst F, Weinberg G, Roser P, Schnelle M, Fronk EM, Stadelmann AM (December 2005). "Randomized, double-blind, placebo-controlled study about the effects of cannabidiol (CBD) on the pharmacokinetics of Delta9-tetrahydrocannabinol (THC) after oral application of THC verses standardized cannabis extract". Ther Drug Monit. 27 (6): 799–810. PMID 16306858.