Customers should always request third party lab results that test for potency, pesticides, residual solvents, and mycotoxins of the CBD hemp oil. If a company is reluctant to share these results with you, it should automatically be a red flag and indicate that they have something to hide. We’ve done the work and checked if these brands offer those tests to their customers. We’ve assigned a letter grade of C, B, A, or A+ based on what kind of lab results are offered to customers. All the brands on this list at least offer tests showing the levels of CBD and THC in them (with THC under the legal limits for hemp of 0.3%), but brands which go further are rated higher.
A study from 2016 worked with 214 people with epilepsy. The study participants added oral doses of 2 to 5mg of CBD per day to their existing anti-epilepsy medications. The study’s researchers monitored the participants for 12 weeks, recording any negative side effects and checking on the frequency of their seizures. Overall, participants had 36.5 percent fewer seizures per month. However, severe adverse effects were recorded in 12 percent of the participants.
Other potential side effects include low blood pressure, lightheadedness, and drowsiness, but these have typically only occurred in patients who have exceeded doses of 1,500 mg daily for a period of 4 weeks or more; far more than the average person will need take on a daily basis for chronic pain symptoms. (In fact, the majority of CBD users claim they find an effective dose to be anywhere between 10 and 40 mg daily).
The quickest way to get CBD into your system is by turning it into a vapor. This is done by using vape pens. The second fastest way is to drip the oil underneath your tongue. This can take between 20-40 minutes to take effect. The third way to use CBD oil is to rub it into your skin. This is best when you apply it to an area on your body that is causing you pain. However, it can take an hour for CBD oil to start working using this method. And finally, digesting CBD through edibles or capsules can take between 20 minutes and two hours to take effect. Consuming CBD in this way is recommended on an empty stomach. This will help it get into the bloodstream quicker.
Scott Shannon, MD, assistant clinical professor at the University of Colorado, recently sifted through patient charts from his four-doctor practice to document CBD’s effects on anxiety. His study, as yet unpublished, found “a fairly rapid decrease in anxiety scores that appears to persist for months,” he says. But he says he can’t discount a placebo effect, especially since “there’s a lot of hype right now.”
Unlike THC, CBD will not make you high. That said, this doesn’t mean CBD is not at all psychoactive, as many assert, says Jahan Marcu, PhD, director of experimental pharmacology and behavior at the International Research Center on Cannabis and Mental Health in New York City: “CBD does change cognition. It affects mood, which is why people take it for anxiety. And some find that it makes them more alert.”
At the top of our ranking is Portland-based Lazarus Naturals, which has honed a reputation for high-quality, affordable CBD. Their consciously crafted CBD is sourced from organic, Oregon-grown hemp which the company controls from seed to sale. With low prices, a robust assistance program, free shipping, and a 30-day, no questions asked return policy, you really can’t go wrong with Lazarus Naturals.
This is the second time Moon Mother Hemp Company has placed among the top five brands on our ranking. The Colorado-based company, which was founded about a year ago, sets the bar very high for quality (including USDA-certified organic hemp) without charging the moon for its products. Their tinctures taste so good, you may be sad you don’t need more.  
In fact, CBD is therapeutic in nature, and will work to manipulate bodily systems at the cellular level to return afflicted organ systems, tissue systems, and even chemical systems in the central nervous system back to a state of health and homeostasis. This is precisely why it has been capable of treating conditions such as depression and anxiety, to chronic physical ailments such as pain, inflammation, arthritis, and more.
Under federal law, cannabis (from which both CBD and marijuana are derived) is illegal everywhere, although the laws against it aren’t generally enforced in states that have legalized marijuana. Some manufacturers claim that CBD culled from legally imported industrial hemp, which has little to no THC, is fine to ship across the U.S., but many experts disagree, noting that because hemp comes from the same species as marijuana, cannabis sativa, all CBD falls under the DEA’s Schedule 1 designation. “This creative interpretation of the law runs afoul of reality,” says the Brookings Institution, a Washington, DC, think tank.
Generalized pain, for instance, has dozens upon dozens of high profile research and clinical studies that have been carried out in universities and laboratories around the globe. One of the most well-publicized of these studies took place back in 2008, in which results determined that “cannabinoid analgesics (pain relievers) have generally been well tolerated in clinical trials … with acceptable adverse event profiles (meaning acceptable effectiveness for practical use).

This peach-hued sea salt soak is the perfect Sunday afternoon bath ritual—and unlike a trendy bath bomb, it won’t turn your tub water a different color. With ingredients like magnesium flakes (stronger than Epsom salts), pink Himalayan salt, arnica, and of course, CBD extract, these crystals provide proactive therapeutic relief while also relaxing your senses with lavender and clary sage essential oils. You can also use them to soak your feet after a long run, just as you would with Epsom salts. 
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