Understanding the CBD Certificate of Analysis (CoA)

In recent years, CBD has experienced explosive popularity with thousands of brands surfacing over the internet. However, from a customer’s point of view, you’re probably wondering what brand to choose from the bunch, right? Well, no matter how cool the packaging looks or how many benefits the brand claims to have, it all finally comes down to authenticity. And that’s where the Certificate of Analysis (CoA) enters the picture!

What is a Certificate of Analysis (CoA)?

A Certificate of Analysis is a document that proves the authenticity of a CBD brand. This certificate shows that a product from the said brand has gone through third-party lab testing, and displays the exact composition of the product. This will give you a comprehensive list of, mainly, cannabinoids, THC, terpenes, microbes, pesticides, etc., and their respective concentrations/percentages.

How is a Certificate of Analysis (CoA) used?

A CoA is mainly used by a brand to prove that their product is legit. Nowadays, you shouldn’t just rely on the ingredients printed on the product label. Many brands out there may use this as an opportunity to deceive you. So, never buy a product online without knowing what’s actually in there!

But if an authentic CBD brand really does want to gain the customer’s trust, they’ll surely have this certificate. Therefore, a Certificate of Analysis is extremely necessary for a CBD company that wants to provide the best to its customers and abide by the law at the same time. Check out our Certificate of Analysis for the CBD Tincture Fruit Punch 500mg right here!

How to read a Certificate of Analysis (CoA)?

It might seem like the CoA has a language of its own, but have no fear! We’re here to make it extremely easy for you. Look out for the following things when you start reading a CoA:

Who analyzed the product?

Make sure that the product was analyzed by a third-party lab. Only then can you be sure that it is absolutely accurate. If the certificate was provided by a company or a manufacturer, then there will be some chances of truth manipulation. In our case, we’ve got our amazing CBD Fruit Punch Tincture tested and analyzed from Agriculture LabWorks LLC, reviewed by Nisrin Samsum (Head Chemist).

Figure 4: What’s in the product

Check the specifics

In order to confirm that the test was actually requested by the company you’re purchasing from, check for the “Customer Name” or “Requested by” area. You can also find the date the test was requested and carried out too. Under the “Sample Type” heading, you will get to know whether the test was carried out on the hemp extract or the final product itself.

Figure 3: Look at the measurement units

Look at the measurement units

The first thing you’ll notice in a CoA is a table (or multiple tables) consisting of values in:

  • mg/unit – Milligrams of compound per unit of the product (the value of unit is specified in the CoA)
  • mg/ml – Milligrams of compound per milliliter of the product (liquids)
  • mg/g –  Milligrams of compound per gram of the product
  • mg/whole product – Milligrams of compound per whole product

Some certificates might express these values in the form of percentages, while others might just use the units mentioned above directly. Apart from that, you’ll also observe terms such as:

  • LoD (Limit of Detection) – Lowest concentration where the detection of the compound is possible
  • LoB (Limit of Blank) – Highest concentration of the compound that can be detected in a blank sample
  • LoQ (Limit of Quantitation) – Lowest concentration where the compound cannot be detected with confidence

These values will often be present as headings of columns containing concentrations.

What’s in the product

Now, let’s finally look at the compounds possibly mentioned in the test result.

Figure 4: What’s in the product


This is the most important part of a CBD CoA, the “Cannabinoid Profile”. You’ll find a long list of cannabinoids such as CBD, THC, CBN, CBG, etc., and their respective concentrations. Here, you have to keep a lookout for the CBD and THC concentrations in particular.

Make sure that the amount of CBD in the product mentioned here corresponds to the amount mentioned on the product label after a little math. As for the total THC, keep in mind that it should not be greater than 0.3%. If it is greater than that, then the product may be considered illegal. In our case, our tincture is THC-free! Your health and safety is our priority.

Plus, to keep it easier for our customers to read the certificate, we’ve used a very neat and user-friendly chart for the compounds!

Figure 5: Cannabinoids profile chart


Some certificates might also have a column called “Terpenes”. These are biological compounds, present in the hemp plant, that are responsible for the aroma and taste of the plant. If the product has terpenes in it, then that’s a plus point. Terpenes are actually proven to be quite beneficial for the body.


Considering that the hemp extract (the major part of the product that’s being checked) was once part of a plant, it will surely contain some microbes. However, if you’re going to use a product, you might not want it to contain a bunch of microbes that might harm you. Some microbes are considered safe in a small quantity though, like yeast.


If the certificate features other columns besides the “Cannabinoid Profile”, then keep a lookout for pesticides and harmful chemicals that might have been used when the plant was alive. These can be quite harmful to you if you allow them to enter your body.

The product might also contain other residual solvents and heavy metals. Some of these compounds, in minute quantities, are alright for the body but you would want to avoid metals such as mercury, lead, and methyl.

Wrapping up

Always make sure to check the Certificate of Analysis (CoA) of a product before purchasing it. You never know what’s out there in the market, so be sure to put your health first. Hustle Her Hemp cares about your wellbeing, therefore we get our products properly analyzed in third-party labs for your Quality Assurance!

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