Does CBD Show Up on a Drug Test?

Smoking or vaping CBD flower is one of the best ways to enjoy hemp-derived CBD. Many people who are new to CBD products, however, wonder about how these cannabis-related substance figures into drug testing. Rest assured that drug tests are not calibrated for CBD, and Secret Nature products contain less than 0.3% THC. In this guide, we'll cover all your CBD drug testing questions, and we'll finish by telling you what to expect from CBD drug screening in the near future.

Can you fail a drug test for CBD?

There are a couple of important elements of this question we'll need to pick apart as we continue:

Is there a drug test for CBD?

No, drug screenings do not test for CBD. At present, we know of no drug tests designed specifically to test for the presence of CBD. The only cannabis-related drug tests check for the presence of THC, not CBD.

Can using CBD make you fail a drug test?

Potentially. Why? Because all CBD products contain trace amounts of THC. Whether it's full-spectrum CBD with up to 0.3% THC or purified CBD isolate with just a few THC molecules kicking around, all hemp products contain some amount of THC.

From there, it's all a matter of math. Say you have an isolate CBD product with <0.0001% THC. If you consume kilograms upon kilograms of this product, you might test positive for marijuana. With a theoretical CBD product containing just below 0.3% THC, it would still be necessary to consume an extraordinary quantity, just considerably less.

We aren't going to lie to you and say that it's impossible to fail a drug test from using Secret Nature products. We're proud of how natural and organic our CBD flower products are, and some of these strains contain close to the legal limit of 0.3% THC.

If you were to consume an unreasonable amount of our products, three ounces of hemp flower per day for two weeks for argument's sake, it's possible enough THC would accumulate in your system to make you fail a drug test. If you feel yourself capable of such a feat, we encourage you to get your lighter or vaporizer ready and place the biggest order has ever seen. The point is that using enough Secret Nature hemp flower to fail a THC drug test would be so hard as to be almost laughably impossible.

How much CBD will make me fail a drug test?

No amount of CBD will cause you to test positive on a drug test since there are no tests for pure CBD. Most types of CBD products, however, contain trace amounts of other cannabinoids, terpenes, and flavonoids, which means that there's more than just pure CBD to work with.

Does CBD show up on a drug test? Never. Is it possible for marijuana drug testing to note the presence of CBD products? Under certain circumstances, yes, which is why third-party lab testing is so important.

Due to the rising popularity of the CBD craze, veteran Seattle news channel KING 5 recently tested 12 of the most popular CBD products on shelves today. Half of the products contained less CBD than was listed, which makes you wonder about the potential of THC contamination.

Contrary to popular opinion, it's actually no easy feat to make sure that the THC levels of your CBD products stay under 0.3%. For companies short on time, resources, or both, it's all too tempting to cut corners and put their customers in danger. Secret Nature takes the high ground by offering verifiable, third-party lab tests for every product batch we produce. Marijuana testing at work shouldn't make it harder for you to use CBD.

How long is CBD detectable in urine?

Like all cannabis compounds, CBD is an oil, which means that it is fat-soluble. Many substances we ingest are either fat-soluble or water-soluble, and water-soluble substances pass through your body quickly. Fat-soluble substances, however, absorb into your fatty tissues, and organs like the liver and kidneys process them out slowly.

Let's remember that drug screenings do not test for CBD oil. If they did, however, it's likely that they would be able to detect the presence of CBD in your system for around 30 days. That's how long THC stays in your system as well, and approximately 30 days is the standard excretion time for fat-soluble substances.

Employers mostly check test results for the presence of hard drugs, and some tests are able to determine varying thresholds of THC use. If testing positive for THC could lose you your job, however, it's actually possible to calculate how much of a CBD product you can use before you reach that point. Here's what you'll need:

  • The exact percentages of CBD and THC in the product
  • The THC detection threshold of the test
  • An appreciation that cannabis compounds have around a 30-day "half-life" in the body
  • A calculator and a notepad

You might prefer to have a college math degree before you get started, but the shortlist above proves that there's nothing mystical or mysterious about understanding how CBD might affect a drug test. The whole system is very precise and scientific, and in general, there are only two rules you should keep in mind if you're worried about failing your drug test due to CBD:

  1. Cannabinoids only last about 30 days in the body,
  2. CBD products that are verified to have less than 0.3% THC by an independent lab can only make you fail your drug test when you consume them in unreasonably high quantities.

Can CBD lotion make you fail a drug test?

Just as with other categories of CBD products, the potential to fail your drug test from a hemp topical is certainly there. To explain the difference between how topical and oral CBD might affect drug testing, however, it's important to examine how widely different the oral and transdermal routes are in the first place.

What is transdermal administration?

When you ingest a substance orally, it passes through your stomach and your liver before entering your bloodstream. While this administration method provides a full-body effect, bioavailability is limited by natural liver filtration mechanisms, and pinpointing exact problem areas is hard.

Topical administration, however, addresses specific areas without providing a notable system-wide effect. CBD can be formulated into both water-based and oil-based topical products, which has resulted in an extremely diverse cannabidiol topical industry.

Generally, cannabinoids that you apply topically stay in the area they are applied to. Some of these cannabinoids, however, pass throughout your bloodstream, and they're filtered by your organs. It's hard to say exactly how many cannabinoids topical administration introduces into your bloodstream, but what's certain is that topical administration deposits far fewer cannabinoids throughout your body than oral ingestion.

The hemp topical "loophole"

There's a catch, however. Since topical products aren't ingested orally, some CBD manufacturers don't care as much about keeping THC levels low. While products with more than 0.3% THC are technically marijuana, the CBD topical industry is notoriously unregulated. There's an off chance that a hemp topical you try might have more than the legal limit of THC, putting you in a potentially sticky situation.

About Secret Nature lab results

The only way to make sure your hemp product won't make you fail your drug test is by getting your hands on independent, verified lab reports. At Secret Nature, we're proud to work with SC Laboratories, one of the nation's most respected cannabis labs. We have no conflict of interest with SC Laboratories, and they provide professional, independent work.

In addition to testing for each of the major cannabinoids, we also pay extra to test the terpene profile of each of our products. Why? Because terpenes are almost as important as cannabinoids, and you deserve to know exactly how much myrcene, caryophyllene, and limonene are in your vape cartridge or 1/8th of Secret Nature top-shelf hemp flower.

The future of CBD drug testing

While employers will remain able to fire workers for cannabis use for the foreseeable, state and federal marijuana laws are changing. Already, testing for marijuana is less of a priority for many employers, and workplace drug tests are focusing more on truly dangerous substances. Given the way that cannabis law is shifting, you'll never have to worry about "testing positive" for CBD, and even marijuana is becoming less of an issue in many workplace drug tests.

It's true that even CBD isolate contains tiny amounts of THC. As we've covered, however, you need to consume incredibly high concentrations of Secret Nature products to accumulate any THC buildup, and our independent, third-party lab results confirm our THC levels are under 0.3%. 


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"Everyone has the right to choose what they consume. We believe in creating the most premium cannabis products that will enhance anyones chosen lifestyle."

Tyler William, Founder and Ceo