These studies conclude that “the higher efficiency of plant extract can be explained by additive or synergistic interactions between CBD, terpenes, and the minor phytocannabinoids or non-cannabinoids presented in the extracts. …because other phytocannabinoids, including Tetrahydrocannabivarin, Cannabigerol and Cannabichromene, as well as mono- and sesqui- terpenes, exert additional effects of therapeutic interest and the therapeutic synergy observed with plant extracts results in the requirement for a lower amount of active components, with consequent reduced adverse effects.”
Like any manufactured product, one of the best ways to ensure quality is to use high-quality materials. This is especially important in CBD oil because of the hemp plant’s characteristic as  a “hyperaccumulator.” This means that the hemp plant easily absorbs anything that is present in the ground that it was cultivated and farmed. If a hemp plant grew on rich soil, the resulting plant will be of high quality that can produce CBD oil in the same high-quality as well.
And now, onto the thorny issue of legality. The simple answer to the question is yes – if it is extracted from hemp. The 2014 Farm Bill established guidelines for growing hemp in the U.S. legally. This so-called  “industrial hemp” refers to both hemp and hemp products which come from cannabis plants with less than 0.3 percent THC and are grown by a state-licensed farmer.
CBD is extracted from both plants in just the same way.  But, when it’s extracted from hemp, it is often times, extracted by itself.  Beyond CBD, there are a host of other plant compounds, called cannabinoids, present in both plants, including THC (more on THC later).  We won’t go into all the other compounds in this article as that would take a book to detail, but a short list of the most common ones are:  CBDA, CBG, CBGA, CBN, Terpenes and Phytonutrients, and THC.  Generally, when CBD is extracted from marijuana, all these compounds are extracted together and the extract is then formulated into various products, thus giving the user this “full spectrum” of cannabinoids.  Generally, when CBD is extracted from hemp, it may or may not include this full spectrum of cannabinoids.  So, this is the first important distinction between CBD from hemp and CBD from marijuana.  When it comes from hemp, it may or may not include all the other cannabinoids.  When it comes from marijuana, it almost always does, including the cannabinoid: THC.  (Note:  ALL Highland Pharms products use a full spectrum of cannabinoid extract.)

Let’s not forget about terepenes and flavonoids too. While not cannabinoids from hemp, they are compounds found in hemp and other plants. Terpenes are fragrant oils that bind to receptors in the human body and carry a variety of health benefits.* Flavonoids are a group of phytonutrients that serve as cell messengers with their own health-promoting benefits,  
It was previously believed that CBD in its isolated form was more potent and concentrated than full spectrum CBD; however, in 2015, the theory was debunked by a study from the Lautenberg Center for General Tumor Immunology in Jerusalem. In the study, researchers administered full spectrum CBD and CBD isolate to two different groups of mice. When comparing the data of the two groups, the results proved that the group administered with full spectrum CBD were provided with higher levels of relief. Furthermore, the study demonstrated that full spectrum CBD continued to provide relief as the dose increased, while CBD Isolate did not provide the same effect when there was an increase in dosage.
While cannabidiol (CBD) is all the rage at present, it is often hard to understand what you are getting. Furthermore, with so many different CBD products on the market it’s hard to tell which are full spectrum, which are not and which products are made from CBD cannabis or CBD hemp.  In this article we will try to clear up any confusion, focusing the major part of the post around Full Spectrum CBD oil.
I have fibromyalgia and piriformious syndrome (severe hip/leg pain) and for the past six months have been dealing with extreme pain and insomnia. Having exhausted all tricks, remedies, doctors, and medications without relief I decided to try Cbd oil. After only two days I have slept like a baby, had hours of continuous deep sleep, sleep app confirmed this. The Hip/leg pain is dulled, but dulled enough that I can do therapy stretches without screaming or crying. The nerve pain from fibro feels like it is asleep! It is the most amazing thing not to feel every nerve in your body after three years of constant pain. The cbd oil does give me a slight tummy ache after taking it but goes away in about an hour. And I do mean slight ache. So far no side effects or interactions. ( Will up date if do)
Marijuana & hemp are both cannabis sativa (and some marijuana is cannabis indica). But “industrial hemp” (the only source of CBD lawful in all 50 states, thanks to the Federal Farm Bill’s exemption of it from the Controlled Substances Act) CBD extract products are lawful in all 50 states, can be sold on the open market at any store (not just a licensed dispensary) or online to anyone over 18–regardless of the customer’s or mfr’s state’s medical or recreational weed laws.
I can’t assist with what you need, but I can tell you that I am a cancer survivor ( 15 years), with Chronic Fibro, arthritis and nerve damage . I was on prescribed pain meds for a long time. CBD has been a life saver. I have tried several of the above. For me, Bluebird is the best so far of them all. In terms of effectiveness , its heads and tails ( no pun intended) above the rest. They do have a program as well , yes. They are pricey . I also like Lazarus’s 25 mg Capsules as well.
I have fibromyalgia and piriformious syndrome (severe hip/leg pain) and for the past six months have been dealing with extreme pain and insomnia. Having exhausted all tricks, remedies, doctors, and medications without relief I decided to try Cbd oil. After only two days I have slept like a baby, had hours of continuous deep sleep, sleep app confirmed this. The Hip/leg pain is dulled, but dulled enough that I can do therapy stretches without screaming or crying. The nerve pain from fibro feels like it is asleep! It is the most amazing thing not to feel every nerve in your body after three years of constant pain. The cbd oil does give me a slight tummy ache after taking it but goes away in about an hour. And I do mean slight ache. So far no side effects or interactions. ( Will up date if do)
There is a lot of confusion out there. Both industrial hemp & marijuana are separate strains of the cannabis plant (hemp is c. sativa and marijuana can be either other strains of c. sativa or c. indica–marijuana has much, much more THC than hemp, which has little-to-none). The site is reviewing only CBD oils made from industrial hemp (more expensive from flower, cheaper & weaker from seeds & stalks) because those are the only kinds of CBD oil one can buy in all 50 states anywhere (not just licensed dispensaries), whether the state allows recreational weed, medical marijuana with an official cannabis ID card, or no marijuana whatsoever for any purpose.
All I am seeing on this site is this brand is fantastic and that brand is fantastic! I don’t think I could trust any of these with the exception of one. I believe the only way to actually get good quality CBD is from a state licensed dispensary. Everyone else just wants to make a quick buck by jumping on the hype that it is now legal in all 50 states! I have cancer and herniated discs and fibromyalgia, asthma, PTSD, CFS severe anxiety, etc and will be starting radiation shortly. My pain right now is off the charts. I am afraid of most medications and pretty much will not take too many things. So when I get the CBD oil I will do it in front of a doctor to make sure of allergies. It will have to be of high quality and something that will not get me high! The fear of taking something from just any online distributor doesn’t ensure quality. If anyone out there can tell me with the most positive knowledge that a product is what it is then you can let me know. Any recommendations?
When CBD is referred to as full spectrum or whole plant CBD, it means that the CBD contains all other cannabinoids found in the marijuana plant including CBN (Cannabinol), CBG (Cannabigerol), and THCV (Tetrahydrocannabivarin), to name a few. And yes, along with these cannabinoids, Full Spectrum CBD also contains trace amounts of THC (Tetrahydrocannabinol), but in very low concentrations (up to .3%), resulting in very minimal psychoactive stimulation.
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