A Certificate of Analysis (CoA) is also known as a lab test for CBD products. It is what differentiates high quality products from scams and low quality products. But, you still have to understand how to read lab tests otherwise,

Lab tests. If you understand how to read a lab test, you can pick out good quality products from the scams and low quality products.

It's easy when you know what you're looking for. You can learn to read them in a few short steps by confirming the product being tested, understanding what the panels are looking for and finally by learning the terminology. We'll