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How to Shop for CBD: Reading a CBD Label and Scouting a Quality Product

Medically reviewed by Felecia Dawson, MD — Written by Jennifer Chesak, MSJ — Updated on October 1, 2025

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Takeaway

The Fast Facts

The FDA does not approve CBD products, so it’s up to consumers to sort out good from bad as they shop for CBD.
Many CBD products are not accurately labeled, so it’s important to choose a product that comes with third-party testing reports.
Choosing a quality CBD product also requires looking at the ingredients and deciphering the label.

Shopping for CBD can feel overwhelming — especially because the Food and Drug Administration (FDA) hasn’t approved any nonprescription CBD products.

Instead, it’s up to you, the consumer, to do your research or rely on third-party testing to determine the quality and contents of a particular CBD product.

We’re here to help you shop. Our team has vetted more than a thousand CBD products over the past several years for quality and transparency markers, and we continue to monitor and test products that pass our standards.

We created this 101 guide to CBD labeling and ingredients, so you too can spot a legitimate product.

Determine the ingredient source

Here’s a rundown on the headliner ingredients a CBD product can contain and where they come from.

CBD vs. THC

CBD is a cannabinoid found in the cannabis plant. The more well-known cannabinoid, tetrahydrocannabinol (THC), is also found in the cannabis plant.

These two cannabinoids — CBD and THC — are very different. THC is intoxicating and is associated with the “high” from cannabis use. CBD can be psychoactive and affect your mood, but it isn’t intoxicating.

Some CBD products will contain only CBD. Others contain a small amount of THC within legal limits. This may intensify the effects and thg”h”e experience. It’s important to keep in mind that CBD and THC are known to work better together than they do alone. This is known as the entourage effect.

Much like the supplement label on a vitamin or the nutrition label on your food, a CBD label will tell you how many milligrams are in each serving. Some people prefer a strong CBD product, while others find comfort in a mild CBD product.

»Our PicksTHC-Free CBD Oils

Hemp vs. marijuana

Both hemp and marijuana are cannabis plants. The difference is that hemp plants have no more than 0.3 percent THC, and marijuana plants have higher levels of THC.

CBD is either hemp-derived or marijuana-derived.

Depending on where you live and the laws in your state or country, you may be able to buy both marijuana-derived and hemp-derived CBD products. You may have access to hemp-derived CBD products only — or no access to CBD products at all.

Knowing the difference between marijuana and hemp is important because marijuana-derived CBD products may cause some psychoactive effects, and the THC included in these products can show up on a drug test.

Hemp-derived CBD contains only trace amounts of THC — generally not enough to cause a high or register on a drug test, though it’s possible.

Identify the type of CBD

Your choice of CBD isolate, full-spectrum CBD, or broad-spectrum CBD will determine what you get in your product, along with the actual CBD.

Full-spectrum CBD contains all of the naturally available compounds of the cannabis plant, including THC. However, in hemp-derived full-spectrum CBD, the THC will be no more than 0.3 percent at the dry weight. THC levels rise when the flowers are extracted into oil.
Broad-spectrum CBD contains all of the naturally occurring compounds except THC. A very tiny amount of THC can be present, but it’s typically removed.
CBD isolate is the purest form of CBD, isolated from the other compounds of the hemp plant. CBD isolate should have no THC.

So, which should you choose? Some people prefer full-spectrum because they want the whole kit-and-caboodle of the cannabis plant’s benefits — with all the cannabinoids and other compounds working in synergy.

Others choose broad-spectrum because they want all the terpenes and flavonoids but no THC. Some people prefer CBD isolate because it’s tasteless and odorless, and they don’t want any other compounds included.

Cannabinoids, terpenes, and flavonoids

Now, about those compounds. What are they exactly? In addition to CBD and THC, the cannabis plant contains more than 100 cannabinoids, plus a whole bunch of other compounds called terpenes and flavonoids.

Cannabinoids go to work on your body’s endocannabinoid system. The endocannabinoid system helps keep the nervous system and immune function on an even keel.

Like cannabinoids, terpenes are another plant compound reported to have therapeutic and health-boosting benefits. Flavonoids, also found in green tea and certain fruits, have been shown to protect against disease.

How to know what you’re getting or if you’re wasting your cash

Once you’ve made a decision about the type of product you’re looking for, you’ll want to inspect the ingredient label of the product in question.

Make sure the product actually has CBD or cannabidiol in it so that you’re not wasting your money. Keep in mind that some products will list CBD as hemp extract, which is a result of the ever-changing laws and regulations, but is still CBD.

However, don’t be fooled by products that have no mention of cannabidiol or hemp extract and only list hemp seeds, hempseed oil, or Cannabis sativa seed oil. These ingredients aren’t the same as CBD.

Look at the ingredient list closely to make sure you aren’t allergic to anything.

For example, if you’re buying a CBD oil, the product will likely include a carrier oil to stabilize and preserve the CBD and help your body absorb it. One of the main ingredients may be MCT oil derived from coconut, grapeseed oil, olive oil, or even cold-pressed hempseed oil.

A CBD oil or gummy might also contain a natural or artificial flavoring or coloring.

If you’re buying a full-spectrum product, check the THC percentage to be sure it meets your needs.

If you’re buying a broad- or full-spectrum product, it may also list the cannabinoids and terpenes included, though these are often included in the certificate of analysis (COA), which we’ll tell you more about in the next section.

Understanding third-party testing of CBD products

A reputable CBD product will come with a COA. That means it’s been third-party tested by an outside laboratory that doesn’t have a stake in the product.

You may be able to access the COA while you shop by scanning the QR code on the product with your smartphone.

Many product websites or retailers also have the COA available. If it’s not, email the company and ask to see the COA. It might look like a bunch of gobbledygook at first, but you’re looking for a few key factors:

Labeling accuracy

First, double-check that the CBD and THC concentrations on the COA match what’s stated on the product label. Labeling inaccuracies are a common issue with CBD products.

One study revealed that only about 31 percent of products are accurately labeled. After analyzing 84 CBD products sold online, researchers found that with respect to CBD, about 43 percent have a higher concentration than stated, and about 26 percent have less than claimed.

Cannabinoid profile

If your product is full- or broad-spectrum, look for a list of cannabinoids and other compounds. Cannabinoids like cannabidiolic acid (CBDA), cannabinol (CBN), cannabigerol (CBG), and cannabichromene (CBC) should be on the list.

Additional lab charts

Look for heavy-metal and pesticide analyses, as well. You can determine if a certain contaminant is detected at all, and, if so, if it’s within a safe limit for ingestion. Check the status column of these charts and make sure it says “pass.”

How to determine CBD concentration and what’s in a serving

A lot of confusion can come into play when you’re trying to determine the amount of CBD in a product and how much you’re getting with a serving.

A number that’s often in larger print typically lists the amount of CBD in milligrams for the entire product, not the serving size or dose.

On CBD oil labels, look for the milligrams per milliliter (mg/mL) instead. That’s what determines the product’s concentration of CBD.

For example, if you have a bottle of 2,000 milligram (mg) CBD oil that’s 40 mg/mL, you’ll be able to measure out a milliliter, or a fraction of it if you prefer, using the included dropper.

Or you might have a package of CBD gummies that says 300 mg in big lettering. But if there are 30 gummies in the package, you’re getting just 10 mg per gummy.

Where to buy CBD products

If you’re wondering where to buy reputable CBD products, you have several options.

You can find oils, topicals, and edibles online, direct from many retailers.

Amazon, however, doesn’t allow sales of CBD. A search there will result in a list of hemp seed products that likely don’t include CBD.

If you live in a CBD-friendly state that has cannabis dispensaries, you may want to take advantage of recommendations from knowledgeable staff.

If you have a trusted compounding pharmacy that stocks CBD, that’s also a smart place to get a suggestion for a product suited to your needs. Your physician may even have a recommendation.

Takeaway

Now that you’re armed with the tools to decipher CBD labeling, you can shop for products with confidence and find one that’s right for you.

Remember, if a CBD retailer makes bold claims about what the product can do or doesn’t have third-party testing, the product probably isn’t worth buying. Always start with a small dose of a new product first to see how you respond before trying more.

Is CBD legal? The 2018 Farm Bill removed hemp from the legal definition of marijuana in the Controlled Substances Act. This made some hemp-derived CBD products with less than 0.3% THC legal at the federal level. However, CBD products containing more than 0.3% THC still fall under the legal definition of marijuana, making them illegal at the federal level. Some states have legalized CBD, so be sure to check state laws, especially when traveling. Also, keep in mind that the FDA has not approved nonprescription CBD products, and some products may be inaccurately labeled.

How we reviewed this article:

SourcesHistoryHealthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

Acharya N, et al. (2017). Endocannabinoid system acts as a regulator of immune homeostasis in the gut. DOI: https://doi.org/10.1073/pnas.1612177114
Andre CM, et al. (2016). Cannabis sativa: The plant of the thousand and one molecules. DOI:https://doi.org/10.3389/fpls.2016.00019
Bonn-Miller MO, et al. (2017). Labeling accuracy of cannabidiol extracts sold online. DOI:https://doi.org/10.1001/jama.2017.11909
Defining hemp: A fact sheet. (2019).https://fas.org/sgp/crs/misc/R44742.pdf
FDA regulation of cannabis and cannabis-derived products: Questions and answers. (2019).https://www.fda.gov/news-events/public-health-focus/fda-regulation-cannabis-and-cannabis-derived-products-questions-and-answers
Iffland K, et al. (2017). An update on safety and side effects of cannabidiol: A review of clinical data and relevant animal studies. DOI:https://doi.org/10.1089/can.2016.0034
Russo EB. (2011). Taming THC: Potential cannabis synergy and phytocannabinoid‐terpenoid entourage effects. DOI:https://doi.org/10.1111/j.1476-5381.2011.01238.x
State medical marijuana laws. (2019).http://www.ncsl.org/research/health/state-medical-marijuana-laws.aspx
Understanding over-the-counter medicines. (2018).https://www.fda.gov/drugs/buying-using-medicine-safely/understanding-over-counter-medicines

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Medically reviewed by Felecia Dawson, MD — Written by Jennifer Chesak, MSJ — Updated on October 1, 2025

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