Even though high-strength CBD oils are more expensive than lower concentrates, they work out to be more cost-effective and longer-lasting because you’ll need fewer drops to obtain the same effect. For example, a single drop of Love Hemp’s 40% CBD oil contains 20mg of CBD, that is 4 times more than a 10% tincture, which provides just 5mg per drop. If you’re looking to take a high dose, stronger concentrates will also make it easier to achieve your desired dose (fewer drops to count!).
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.
The NCBI study does mention some potential side effects for cannabidiol, such as the inhibition of hepatic drug metabolism and decreased activity of p-glycoprotein. CBD can indeed interact with a series of pharmaceuticals, as it inhibits the activity of some liver enzymes called cytochrome P450. This family of enzymes metabolizes most of the pharmaceutical drugs used to treat humans.
Transparency: cbdMD seems to be going through a transition with their third-party testing practices. Until recently, they only released a lab report for the CBD concentrate they use for all their products, but would not show potency testing for individual products. That seems to be changing. Currently, the only lab report on the website is for their concentrate (and it’s over a year old). But if you contact customer service, they’ll send you a lab report for any product. 
PharmaHemp is a true all-rounder because it can do all sorts of products extremely well: CBD extracts, pastes, natural balms and innovative formulas like this customers’ favourites: the Premium Black full-spectrum e-liquids, the lip balm and the CBD drops with turmeric and black pepper. The latter is a very popular formula that sees the action of the turmeric synergise with the black pepper and CBD, increasing its bioavailability. It can be used topically, via sublingual application, or ingested. Third-party testing demonstrates the purity and integrity of PharmaHemp’s products.
Transparency: Fab’s website features third-party lab results for most products. They only have a lab test for one of their tinctures though (which shows results for cannabinoid potency, as well as contaminants like pesticides). Customer service pointed out that the same CBD oil is used for all their products, but since potencies do vary, we appreciate companies that show potency testing for all products.

This highly concentrated, high-quality CBD cream features the cooling sensation of menthol combined with naturally-sourced CBD (just like all Diamond products) for the most effective pain relief formula ever devised. Similar to the Hemp Bombs pain freeze, just rub this cream into sore muscles and joints and feel immediate relief. Great for use just before or after exercising to enhance performance.
Top brands that create CBD products and offer sales, grow these plants and then extract the goodness of these plants, using different techniques to produce capsules, liquids, sprays or other CBD products. There are a few different ways to extract the “goodness” from the Cannabis plants, but the method most used by all the top brands is called CO2 extraction.
The NCBI study does mention some potential side effects for cannabidiol, such as the inhibition of hepatic drug metabolism and decreased activity of p-glycoprotein. CBD can indeed interact with a series of pharmaceuticals, as it inhibits the activity of some liver enzymes called cytochrome P450. This family of enzymes metabolizes most of the pharmaceutical drugs used to treat humans.
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