A new study conducted by researchers at the National Institute of Standards and Technology (NIST) found that over 90% of smokable hemp strains they tested contained more than the legal amount of delta-9 THC. Because of these elevated delta-9 levels, these hemp strains are classified as “marijuana,” and are therefore federally illegal. Not only can an undisclosed amount of delta-9 THC produce unwanted side effects, most notably a psychoactive “high,” but it can also potentially land customers in hot water if they live in a state where marijuana is not legal. That’s why it’s important to verify what exactly is in a hemp product before you purchase it- but more on that later.

How Much THC Can Hemp Products Legally Contain?

According to the 2018 Farm Bill, hemp products may legally contain up to 0.3% delta-9 THC. While the Farm Bill is up for renewal later this year, that limit doesn’t seem likely to change. Cannabis products which contain more than 0.3% THC are federally prohibited as a Schedule 1 controlled substance. 

Researchers at NIST tested 53 smokable hemp strains from five different manufacturers for this study. The manufacturers and products were not named, but they were all marketed and sold as legal hemp. About half of the samples were actually found to contain over a 50% difference in THC levels, compared to their label claims. The study states that possible causes for such a large discrepancy could be different testing methods, inconsistencies across product batches, or even, “product labels or online documentation that are not representative of actual products.” Regardless of the cause, the results of this study highlight the importance of third-party lab testing in the hemp industry.

How Can You Confirm the Amount of THC in a Hemp Strain?

It’s an unfortunate fact that you can’t trust the information on every hemp product’s label. Furthermore, this study has shown that you may not even be able to trust the test results that a hemp company lists on their website. The solution to this lack of transparency is third-party lab testing. By examining a product’s third-party lab test results, you can see exactly what cannabinoids are present and in what amounts. You can also verify that a product is safe by checking to see if it contains any harmful solvents or pesticides.

Find Legal Hemp Products with Real Tested CBD!

At Real Tested CBD, we have compiled third-party lab test results for dozens of hemp products. Whether you’re looking for full-spectrum CBD, delta-8 gummies, CBD sleep aids, or anything in between, you’ll find all the unbiased reviews and COAs (Certificates of Authentication) you need to make an informed purchase. You can also visit our blog to find answers to common questions and to keep up with the latest hemp news. If you’re looking for hemp products you can trust, check out Real Tested CBD! We’re dedicated to bringing transparency to the hemp industry.

Dr. Igor Bussel, M.D., M.S., M.H.A
Dr. Igor Bussel, M.D., M.S., M.H.A Dr. Igor Bussel, M.D., M.S., M.H.A is a clinician-scientist and ophthalmic surgeon. Before attending Chicago Medical School, he worked as a Research Scientist in a Healthspan Pharmacology Laboratory at University of California, Irvine focused on investigating the impact of botanical extracts and dietary supplements that can slow the aging process and add healthy years to human life.

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