“If you’re taking Prozac or some other medication, you really need to think carefully about what you’re doing, because it can harm you, and you should talk to your doctor about it,” says Blessing. Blessing does note that while the drug interactions are potentially very serious, the doses in consumer CBD products are so low that the risk is likely minimal. Regardless, the fact that CBD has drug interactions should indicate that it is, at least sometimes, in some doses, actually doing something.
^ Jump up to: a b Resstel LB, Tavares RF, Lisboa SF, Joca SR, Corrêa FM, Guimarães FS (January 2009). "5-HT1A receptors are involved in the cannabidiol-induced attenuation of behavioural and cardiovascular responses to acute restraint stress in rats". British Journal of Pharmacology. 156 (1): 181–8. doi:10.1111/j.1476-5381.2008.00046.x. PMC 2697769. PMID 19133999.
And the products on the shelf aren't all the same, Ward said. "There can be many, many different varieties, and if you're thinking about doing this for medical reasons, you want to find a trusted source and do your research," she said. "Where does that oil come from, and how confident can you be that you know the exact percentages of the different cannabinoids in the product?"
We use ethanol/alcohol to extract our hemp, the most historically used method for cannabis/hemp extracts. It is a clean and cold extraction method that allows for optimal retention of terpenes and other sensitive compounds. We also employ low-temperature and relatively low-pressure CO2 extractions for some of our products. For the CBD isolate and CBD vape products, further processing is required to obtain the purity level achieved.
Management of chronic pain is another application for which CBD is ideally suited, and it works in a number of ways. It and other non-THC cannabinoids found in hemp flower-bud extracts work to block pain-conducting nerve impulses, which reduces your perception of pain. Stimulation of CB1 in the brain increases dopamine, which counteracts pain. Just as importantly, these same chemical substances reduce inflammation, the driving force behind pain, which allows healing to occur.
The manufacturer will probably give you a recommended dosage, but bear in mind that this isn’t set in stone. What you need to find is your own minimum effective dose. “Minimum effective dose” is a medical term which refers to the amount of a substance you need for the results you want, and above which, the substance doesn’t increase in effectiveness.
The limited studies out there indicate that CBD has, in its various interactions with the brain and immune system, some anti-inflammatory and anti-anxiety effects. It can balance out the effects of THC by reducing the anxiety THC sometimes brings, and many in the industry are big on “broad spectrum” or “full spectrum” configurations, which use many cannabinoids at once.
In September 2018, following its approval by the FDA for rare types of childhood epilepsy, Epidiolex was rescheduled (by the Drug Enforcement Administration) as a Schedule V drug to allow for its prescription use. This change applies only to FDA-approved products containing no more than 0.1 percent THC. This allows GW Pharmaceuticals to sell Epidiolex, but it does not apply broadly and all other CBD-containing products remain Schedule I drugs. Epidiolex still requires rescheduling in some states before it can be prescribed in those states.
It's a little more uniform when the product is absorbed by smoking or vaping the oil, Ward said. But, "there are obvious concerns about smoking something." A 2007 review published in the journal JAMA Internal Medicine found that smoking marijuana resulted in similar declines in respiratory system health as smoking tobacco. A similar review published in 2014 in The American Journal of Cardiology found that marijuana smoke inhalation can increase the chances of heart attack or stroke. Neither review analyzed the effects of vaping cannabis oil alone, so it's unclear if it has the same health risks as smoking other marijuana products.