CBD comes in many forms, including capsules, extracts, honey-infusions, topical ointments and edibles. But because CBD isn’t FDA-regulated, it’s important to be cautious when choosing a product. In fact, ConsumerLab.com found that the amount of CBD in products may vary widely – from 2 mg to 22 mg per dose – and the strength isn’t always accurately disclosed on the label. (The amount of any incidental THC may not be accurately disclosed either).
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Cannabidiol can be taken into the body in multiple ways, including by inhalation of cannabis smoke or vapor, as an aerosol spray into the cheek, and by mouth. It may be supplied as CBD oil containing only CBD as the active ingredient (no included tetrahydrocannabinol [THC] or terpenes), a full-plant CBD-dominant hemp extract oil, capsules, dried cannabis, or as a prescription liquid solution.[2] CBD does not have the same psychoactivity as THC,[9][10] and may change the effects of THC on the body if both are present.[7][8][9][11] As of 2018, the mechanism of action for its biological effects has not been determined.[8][9]

Children: A prescription cannabidiol product (Epidiolex) is POSSIBLY SAFE when taken by mouth daily. The most common dose used is 10 mg/kg daily. Higher doses of 15-20 mg/kg daily may be used in some children, but these higher doses are more likely to cause side effects. This product is approved for use in certain children 2 years of age and older, but has been used in children as young as 1 year of age.


In September 2018, following its approval by the FDA for rare types of childhood epilepsy,[12] Epidiolex was rescheduled (by the Drug Enforcement Administration) as a Schedule V drug to allow for its prescription use.[72] This allows GW Pharmaceuticals to sell Epidiolex, but it does not apply broadly and all other CBD-containing products remain Schedule I drugs.[72] Epidiolex still requires rescheduling in some states before it can be prescribed in those states.[75][76] cannabidiol oil
More important than legality is understanding if CBD is safe for you. While studies are still ongoing about the long-term safety of CBD usage, most experts agree that it is easily tolerated by most adults with no significant side effects on mood, physiology, or the central nervous system. Many CBD products, including oils and tinctures, also allow you to customize your serving size, which can help you avoid or mitigate any potential side effects.

The 2014 Farm Bill[85] legalized the sale of "non-viable hemp material" grown within states participating in the Hemp Pilot Program.[52] This legislation defined hemp as cannabis containing less than 0.3% of THC delta-9, grown within the regulatory framework of the Hemp Pilot Program.[86] The 2018 United States farm bill allowed for interstate commerce of hemp derived products, though these products still fall under the purview of the FDA.[87][88]


There are thousands of unique varieties of hemp. The cultivars used for CBD oil contain significantly higher concentrations of CBD than others. Using these uniquely potent plants, it is possible to extract cannabis oil that contains significant levels of cannabidiol, as well as essential vitamins, minerals, fatty acids, terpenes, flavonoids, and other non-psychoactive cannabinoids.
Multiple sclerosis (MS). There is inconsistent evidence on the effectiveness of cannabidiol for symptoms of multiple sclerosis. Some early research suggests that using a cannabidiol spray under the tongue might improve pain and muscle tightness in people with MS. However, it does not appear to improve muscle spasms, tiredness, bladder control, the ability to move around, or well-being and quality of life.

State and local governments may also regulate CBD. For example, the Massachusetts Department of Agricultural Resources issued a rule in June 2019 aligning state CBD regulations with FDA regulations. This means that although recreational marijuana is legal in the state, CDB cannot legally be sold in food or as a dietary supplement under state law.[89]

However, when cannabinoids are taken externally, it’s difficult to distinguish between the clinically desirable effects and the therapeutically undesirable effects of various phytocannabinoids. This is because cannabinoid receptors send a variety of signals that often interconnect to coordinate the body’s functions, so it’s hard to tell them apart.


In nature, Cannabis ruderalis typically has the lowest levels of THC, Cannabis sativa has a higher level of THC than it has CBD, and Cannabis indica has a higher level of CBD than it has THC. However, since man has been cultivating cannabis (and especially Cannabis sativa) for thousands of years, the effects of artificial selections have led to several different types of cannabis even within the same species, depending on the purpose the cannabis was cultivated for.
In nature, Cannabis ruderalis typically has the lowest levels of THC, Cannabis sativa has a higher level of THC than it has CBD, and Cannabis indica has a higher level of CBD than it has THC. However, since man has been cultivating cannabis (and especially Cannabis sativa) for thousands of years, the effects of artificial selections have led to several different types of cannabis even within the same species, depending on the purpose the cannabis was cultivated for.
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^ Klein C, Karanges E, Spiro A, Wong A, Spencer J, Huynh T, Gunasekaran N, Karl T, Long LE, Huang XF, Liu K, Arnold JC, McGregor IS (November 2011). "Cannabidiol potentiates Δ⁹-tetrahydrocannabinol (THC) behavioural effects and alters THC pharmacokinetics during acute and chronic treatment in adolescent rats". Psychopharmacology. 218 (2): 443–457. doi:10.1007/s00213-011-2342-0. PMID 21667074.

In the United States, the cannabidiol drug Epidiolex was approved by the Food and Drug Administration in 2018 for treatment of two epilepsy disorders.[12] Since cannabis is a Schedule I controlled substance in the United States, other CBD formulations remain illegal to prescribe for medical use or to use as an ingredient in foods or dietary supplements.[13] cannabidiol oil
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