According to the CEDIA a urine test can some up positive for Amphetamines if you are using weight loss or energy dietary supplements.  Since the FDA has banned Ephedrine in all supplements in the US scientists have figured that Bitter Orange has the same effects but is non addictive or habit forming.

However, there have been no real safety tests done with Bitter Orange when it comes to a stimulant. Studies have shown Bitter Orange has been linked to Angina, Strokes and other major health related concerns.

As for urine testing and the possibility of this showing up is slim to none. Although over the past few years UA has been coming up positive for Amphetamines in some body builders when they were tested. After more in depth testing was done it showed they person did not in fact have Amphetamines or Ephedrine in there system.

Also with dietary supplements for these purposes you are raising all levels in your body and urine. For example your creatine, Ph, sugar, etc. Your body is overloaded with minerals and other natural products, which cause your body to boost all natural properties. So when you submit a UA after taking one of these supplements your test will show high levels of creatine, which will raise a red flag for most labs. By causing this your are either not getting the job you want, losing the job you have, or possibly missing out on a career opportunity. The results will be

To avoid the embarrassment of this issue you can always knock the possibility out by using a detox drink to void it. Synthetic urines always guarantee passing results. Detox kits are a quick and simple way to know your going to pass.