Rating 4.6
1,641 reviews in total
12 Lessons
74 hours on-demand video
Anytime, Anywhere
Always accessible on any device

What you’ll learn?

Introduction to the course
1
How THC Affects Your Body
Understand how THC is absorbed, processed, and stored — and why everyone’s experience differs.
2
Detection Windows Explained
Learn how long THC can stay in your system and the factors that influence test results.
3
Different Test Types
Discover what employers actually test for — and how saliva, urine, and hair tests compare.
4
Smart Preparation Strategies
Get step-by-step guidance on what to do (and what not to do) before your test.
5
Common Myths Debunked
Separate fact from fiction — from detox drinks to “quick fixes.”
6
Realistic Recovery Timelines
See how lifestyle, frequency, and dosage impact your return to a clean result.

Course content

Introduction to Pre-Employment Drug Testing
2 min
The A to Z of Drug Testing Procedures
6 min
Factors That Affect THC Metabolism
4 min
The Importance of Home Testing
4 min
Beware of False Positives
4 min
Do’s and Don’ts for Passing Drug Tests
8 min
Cheating on Tests: Myths and Realities
2 min
What Happens If You Fail?
5 min
Q&A with Dr. Matthew Nuesse
3 min
3,578 already completed the course

More about the Lecturer

Our speaker: Dr. Matthew Nuesse, certified medical examiner

Dr. Matthew Nuesse is not just another online guru, he's a Certified Medical Examiner with nearly a decade of experience in drug testing and medical examinations. He also runs a licensed drug testing specimen collection site and owns the largest YouTube channel globally focusing on Federal DOT testing. With Matthew, you're learning from the best in the field.

Reviews

Rating 4.5 (1,642 reviews)
I’ve read a lot about THC testing online, but this course explained it in a way that finally made sense. The instructor really knows what he’s talking about — highly recommend for anyone preparing for a test.
Alex M.
I was super anxious about failing, but this guide helped me understand how everything actually works. Short lessons, clear examples, and practical advice that really boosted my confidence.
Jamie L.
You can tell this was made by someone with real lab experience. The course is factual, easy to follow, and avoids all the myths you find online. Perfect for beginners like me.
Taylor R.
3,578 already completed the course
Drug & family testing
DOT & workplace
Detox & clean living
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