Open Question: Does L-Theanine show up on a drug test?

I want to start taking L-Theanine to help with my anxiety. I am starting a new job and have to take a drug test. I was wondering if it would show a false positive? The supplements are made of Theanine, vitamin B6, and have magnesium in it.

Tagged as: Anxiety, Drug Test, False Positive, L Theanine, Open Question, Starting A New Job, Supplements, Vitamin B6