Can Supplements Cost You A Job By A False Positive


Most of the times, drug testing is a vital part of the hiring process. This is especially in the aviation industry, where applicants are required to be in excellent physical health. Aviation professionals conduct some of the most drug testing requirements. It's not only for pilots but also for flight attendants, cabin crew, and anyone working on the aircraft.

Pre-employment drug testing is done to ensure the applicant can perform his/her job without impairment. That's why you must show a clean drug test results.

However, drug testing laws vary from state to state. Some states have limits as to how and when the testing can get conducted.

Surprisingly, false-positive results on drug tests do happen, and this can cost you your job. The fact is, various over-the-counter medications, prescriptions, food, and vitamin supplements can yield a false positive. Some of the weight loss supplements are also known to cause a false positive.

Vitamin B Supplements Can Cause False Positive

Getting the required amount of vitamins in your daily diet is essential. But you may fail to get all the recommended vitamins from natural foods. Supplementing your food intake with vitamin B will boost your metabolism and overall well-being.

However, some herbs are infused with vitamin B-complex supplements that may lead to false-positive results. This is because the majority of vitamin B2 supplements are synthetic. These products might be products of hempseed oil. This will result in a false positive for marijuana.

Therefore, avoid taking your vitamin B pills before taking your pre-employment drug test.

Other Elements that Can Lead to a False Positive

There are other harmless items and foods that contain substances confused for illegal substances. If you don't want to be caught in a stressful and crazy life drama, avoid the following items.

Cold Remedies

Most of the flu and over-the-counter remedies are formulated to narrow blood vessels to relieve congestion. Pseudoephedrine is a synthetic amphetamine capable of narrowing the blood vessels. When it gets consumed in large quantities, it can test positive for amphetamines.

Tonic Water

Well, it might sound weird, but it's not! Tonic water, or better known as quinine water can lead to false-positive for opiates. A study published in Addictive Behavior's journal indicates that drinking tonic water or gin a night before a drug test can fail you.

Hemp Seeds

Hemp seed oil, hemp seeds or hemp milk might be your favorite products, but if you consume them often, it will lead to a false positive for THC. Hemp seeds offer a plethora of health benefits and are legal. However, it can be hard for drug tests to differentiate between hemp seed eaters and marijuana users.

Hemp seeds also contains microscopic traces of THC. THC is stored in the body fat, meaning it will cause a false positive within 30 days post eating them.

What to Do to Avoid a False-Positive

If you're anticipating to get a job, you better keep safe to avoid the world of frustrations. If you're a fan of hemp seeds, you can take almonds or almond milk until you land your job. More so, avoid Vitamin B supplements and some of the over-the-counter medications.

In case you're to attend an interview soonest, be open about any product you have been using to avoid false judgment.


A growing number of organizations are conducting drug screening and dismiss applicants with positive results. It can be frustrating to test positive when you've not used any drugs and lose your dream job. Follow the above guide to avoid false judgment.

Back to Learning Center