Quality is a particular concern, because cannabis plants easily soak up heavy metals from pesticides and other contaminants, Marcu says. If you are buying online, look for a company that documents how it tests its products. (If the website doesn’t indicate this, call and ask.) “Buying from a reputable manufacturer is crucial, because it matters how the plant is cultivated and processed,” Dr. Maroon says. One clue that a company is cutting corners: too low a cost. Good CBD is pricey—a bottle of high-quality capsules is sold in Cohen’s office for $140. But for many, it’s worth the money. Roth spent $60 on her tiny bottle. But when her energy returned the day she started taking CBD, she decided that was a small price to pay.
Do the right thing for your body and ensure that you only purchase high-quality products from trusted sellers. Once you’ve decided between full spectrum vs regular CBD, you now need to make the choice of picking the right seller. Choose someone with a great reputation and independent lab testing results available on the site for all to see. You certainly want to make sure you get what you pay for! 
Full spectrum CBD also contains a variety of essential vitamins, minerals, fatty acids, protein, chlorophyll, terpenes, flavonoids, and fiber. When referring to CBD in the hemp plant, it’s important to understand that hemp contains a large number of cannabinoids (in trace amounts), but the main compound is cannabidiolic acid (CBDa). As CBDa is more abundant in the hemp plant, firms must decarboxylate the oil. This process heats the oil and changes CBDa into CBD.
We have all seen the recent news articles showcasing CBD oil and many of us would like to get involved... but where do you start?  In the event you didn’t already know, there are two sources for CBD oil and other CBD/Cannabidiol products: 1.)  Hemp CBD products made from industrial hemp and 2.) Medical marijuana CBD products derived from medical marijuana.  One is available widely online from sites like DiscoverCBD.com and the other is available at medical marijuana dispensaries across the US in states where medical marijuana is legal.
Zuardi, A. W., Crippa, J. A., Hallak, J. E., Bhattacharyya, S., Atakan, Z., Martin-Santos, R., … & Guimarães, F. S. (2012). A critical review of the antipsychotic effects of cannabidiol: 30 years of a translational investigation [Abstract]. Current Pharmaceutical Design, 18(32), 5,131–5,140. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/22716160
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