That leaves those touting CBD’s effectiveness pointing primarily to research in mice and petri dishes. There, CBD (sometimes combined with small amounts of THC) has shown promise for helping pain, neurological conditions like anxiety and PTSD, and the immune system—and therefore potentially arthritis, diabetes, multiple sclerosis, cancer, and more.

NuLeaf Naturals markets themselves as “the world’s premier CBD oil company” – I don’t know if I’d quite go to that extent and say that, but I will say that my partner Josh and I have both tried their full-spectrum tinctures, and they do work incredibly well. Also, they main reason they made it on my list here of the best CBD oils online is the fact they offer one of the most potent oral tinctures on the market: a 1,450 mg super highly concentrated oil that wiped my back pain out in less than 20 minutes. To be clear, that’s 45% more potent than PureKana’s strongest oil (1,000 mg). Why don’t I use NuLeaf Naturals all the time then, you might be wondering? Well, I can get away with much smaller doses than that, so there’s no reason to take such a potent dose if I don’t need to. If you’ve been scrounging around the web trying to find a super strong CBD oil, or have otherwise not had great results with other products, I definitely recommend trying some of NuLeaf Naturals’ stuff out. Be advised, though, that it ain’t cheap!
High potency CBD oils are ideal for those seeking a powerful, therapeutic effect. However, many companies only offer CBD oil in low to moderate potencies. Our pick for the highest potency CBD oil is Sabaidee’s Mega Good Vibes 2500mg+ CBD oil. At 88.33mg of CBD per serving, this is one of the most potent CBD oils on the market. And at $0.08 per mg of CBD, it is also reasonably priced. One 30mL bottle packs 2,500 mg of high-quality, full-spectrum, peppermint-flavored CBD oil.
This is a confusing one for many people. "A lot of brands don't do a good job of clearly instructing their consumer on the dosing," says Chris Roth, CEO and co-founder of Highline Wellness. When thinking about dosing, also consider whether your CBD is full-spectrum or isolate: Full-spectrum could include other cannabinoids like cannabidivarin or cannabigerol (this is important, since "there's something called the 'entourage effect' when all together, they're more effective than any one of them alone," Roth explains), while isolate is 100% CBD. "Some people might only need 10 milligrams of full-spectrum CBD, but with isolate, even taking 80 or 100 milligrams might not have the same effect," he says.
SabaiDee entered the CBD industry looking to make a difference. The company’s founders wanted to help people live happier and more productive lives by sharing the benefits of CBD. But they were shocked by many of the bad practices rampant in the CBD industry—misleading labels, questionable manufacturing processes meant to maximize profits, and a lack of transparency about sourcing and quality testing.
Extraction: The method by which CBD oil is processed from hemp plants can be very telling. Some manufacturers extract and process the oil using toxic materials like propane or butane; in most cases, these oils are cheaply priced. Safer extraction and processing agents include ethanol, which cleans the hemp plant of unwanted toxins; and supercritical carbon dioxide extraction, which strips harmful materials from the plant by changing the carbon dioxide’s temperature and pressure settings.
In addition to acting on the brain, CBD influences many body processes. That’s due to the endocannabinoid system (ECS), which was discovered in the 1990s, after scientists started investigating why pot produces a high. Although much less well-known than the cardiovascular, reproductive, and respiratory systems, the ECS is critical. “The ECS helps us eat, sleep, relax, forget what we don’t need to remember, and protect our bodies from harm,” Marcu says. There are more ECS receptors in the brain than there are for opioids or serotonin, plus others in the intestines, liver, pancreas, ovaries, bone cells, and elsewhere.
The science behind CBD is in the relatively early stages. As a cannabinoid, we know that CBD interacts with receptors in your endocannabinoid system. The endocannabinoid system is integrated throughout your body — and this widespread, whole-body interaction creates a broad range of effects. Hence, the long list of possible benefits.   We may still be in the early stages of discovery, but there’s plenty of scientific studies and anecdotal evidence that CBD provides relief for an array of ailments. Here’s a non-exhaustive list of some potential benefits of CBD oil:
PlusCBD Oil offers three different CBD oil formulations. The Total Plant Complex formulation is unflavored and made with extra virgin olive oil. It also has the fewest additives of all of their oils and contains 4 mg of CBD per serving. The Gold Formula comes in unflavored, goji berry, and peppermint flavors with options for 3 mg, 5 mg, or 9 mg of CBD per serving. And the Raw Formula is available in 1mg and 3mg concentrations. It’s high in CBDA which has unique therapeutic properties distinct from CBD.
There are many scammers and multi-level marketing salespeople that use Facebook and other social media outlets to push a particular product. Many of them will tell you whatever you want to hear to get you to buy from them. Be wary of their claims and testimonials. It’s particularly important to buy CBD oil from a brand that makes third party lab reports readily available. This third party certification is the only way for you to truly know what is in the product.
Of course, though, they offer less potent oils than that, with a product lineup that ranges from 300 mg CBD per bottle to 4,000 mg. Naturally the 4,000 mg option is the most expensive (this is the one that provides the “bomb” 60 mg dose), as it currently sells for $299. For long-term pain and anxiety relief, though, it may be well worth it if it is effective for you and helps replace your regular meds.
It’s important to know that there is no “best” brand or product for everyone. The best CBD oil is the one that works well for you. Each person has a unique endocannabinoid system, body chemistry, and severity of the condition. A brand or product that works well for one person with a specific situation may not work for you at all. This reality is understandably frustrating for many of those who are new to CBD oil. 
REM Behavior Disorder: REM behavior disorder (RBD) is a parasomnia disorder characterized by shouting, becoming physically agitated, or otherwise acting out during sleep. For many, RBD is a symptom of a larger, more serious condition or disorder, such as Alzheimer’s disease or PTSD. CBD oil minimizes the symptoms of RBD, and also alleviates the anxiety and painful symptoms that often accompany disorders that lead to RBD.
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