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.
Buying online is less reliable still because there’s no regulation or standardization. What you see on the label may not be what you are getting. A 2017 study in JAMA found that of the 84 CBD products researchers bought online, 43 percent had more CBD than indicated, while 26 percent had less, and some had unexpected THC.“There’s a 75 percent chance of getting a product where the CBD is mislabeled,” says Marcu, one of the study’s coauthors.

Sub-lingual CBD drops have helped me enormously with sleeping and with radiation damage pain. I have a cancer that spread from the pelvic area to my sacrum and sciatic nerve and whilst the chemo and radiotherapy saved my life I have been taking MST (morphine derivative) for nerve pain ever since. My tumours are presently all quiet and last March I decided I wanted to stop taking the pain relief drugs, fearing dementia. CBD oil was recommended by my son who has arthritis and, for me, it really works. It’s so good to read an article that isn’t put out by a CBD sales site – I wish it could be properly prescribed and regulated (I’m in the UK) in order to have confidence with purity and dosage.
CBD has been touted for a wide variety of health issues, but the strongest scientific evidence is for its effectiveness in treating some of the cruelest childhood epilepsy syndromes, such as Dravet syndrome and Lennox-Gastaut syndrome (LGS), which typically don’t respond to antiseizure medications. In numerous studies, CBD was able to reduce the number of seizures, and in some cases it was able to stop them altogether. Videos of the effects of CBD on these children and their seizures are readily available on the Internet for viewing, and they are quite striking. Recently the FDA approved the first ever cannabis-derived medicine for these conditions, Epidiolex, which contains CBD.
As noted in the previous section, CBD oil prices vary significantly by brand. The best practice for most is to determine a per-milligram budget for CBD oil, as well as a maximum price for the entire bottle. For example, you might decide that 10 cents per milligram or less is a reasonable budget; and that $45 (for a 450-mg concentration, based on the budget) is a maximum bottle price. Also, if ordering online, be sure to include potential shipping costs.
BioBloom Hemp believes that their range of drops, 4%, 6% and 8% extracts, are all you need. Not only if you’re getting started with CBD oil, but also if you’re looking to take a high-strength concentrate. How can you accomplish a 40% effect (the strongest available) with a 4% concentrate? You would just need to take more of it; so, instead of taking 1 drop of a 40% CBD, you take 10 drops of BioBloom’s 4% CBD drops. The CBD content is the same, but BioBloom says that this equivalence comes with an added benefit: you get more of the full-spectrum cannabinoid profile. In other words, by taking more of the oil, you take in more cannabinoids, thus enhancing the effect of the main active ingredient.  

But because all these products are illegal according to the federal government, cannabis advocates are cautious. “By and large, the federal government is looking the other way,” says Paul Armentano, deputy director of the Washington, DC–based National Organization for the Reform of Marijuana Laws (NORML), but until federal laws are changed, “this administration or a future one could crack down on people who produce, manufacture, or use CBD, and the law would be on its side.”
I am impressed with the company CV Sciences that makes Plus CBDoil. I have just used the gold, so I cannot comment on the green version. I take the gold soft gels for sleep. I think they are amazing. I need a cup of coffee in the AM, but that is it. So far, I find that the most effective, convenient and economical purchase of CBD. JUST MY OPINION BASED ON MY EXPERIENCE. OTHERS MAY DIFFER.
It’s also important to select CBD oil products based on your concentration preferences. Some forms of CBD oil – such as vapors and tinctures – normally have higher-than-average concentrations, whereas sprays and topicals tend to have lower concentrations. Remember: higher concentration means more pronounced effects, but not necessarily mean higher quality.
I’m 87. Have lived with Trigeminal Neuralgia for 17 years. At first Tegretol helped a little but disease worsened and Tegretol damages liver. Went to legal Dronabinol(THC) with doc’s prescription. Insurance paid. CVS provided 2.5mg pill. THC Stopped pain, and no side effects.  Also have tried CBD oil with 1200mgs per ounce. 2 drops sublingual. Not a good taste but I am without pain using CBD at 1200mgs per ounce.  It also means I now have only a negligible amt of THC in my body.
Stephanie, generally, I have patients take 20 to 150mg a day for sleep +/- anxiety. Start low and go slow. Know the dosages of your product. Usually 2/3 to 3/4 of the daily dose is 1-2 hours before bedtime, and the other portion is upon waking (to improve wakefulness during the day). Other factors such as stress, hormone replacement, other meds & medical conditions, etc. play a role along with individual differences. I own a compounding pharmacy, so we see a lot of unique needs. I can’t give more specific advice in this forum, but there is help!

To answer the question of which CBD oil is best, we have to understand the difference between the products: cannabis CBD oil is of course made from Cannabis (marijuana), and it contains high levels of CBD and THC. In fact, the THC can be anywhere from 0.3% all the way up to 30% and beyond. Cannabis oils are normally created to combat different debilitating medical conditions (such as cancer or Multiple Sclerosis), but they are also used for maintaining general wellness.
CBD is readily obtainable in most parts of the United States, though its exact legal status is in flux. All 50 states have laws legalizing CBD with varying degrees of restriction, and while the federal government still considers CBD in the same class as marijuana, it doesn’t habitually enforce against it. In December 2015, the FDA eased the regulatory requirements to allow researchers to conduct CBD trials. Currently, many people obtain CBD online without a medical cannabis license. The government’s position on CBD is confusing, and depends in part on whether the CBD comes from hemp or marijuana. The legality of CBD is expected to change, as there is currently bipartisan consensus in Congress to make the hemp crop legal which would, for all intents and purposes, make CBD difficult to prohibit.
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