That means you never had enough in your system to make you stoned or high but just enough to come back positive on the screening test.
Hi, Your question is: Can birth control pills give you a false negative? No. Birth control pills can not give you a false negative or a false positive.
Chinese herb pills will throw a positive for benzodiazepines--but it's not a false positive, as there are benzodiazepines in Chinese herb pills.
No, they can not do this. These types of pills don't have the hormones necessary to make a positive mark. You are probably pregnant.
Yes, some pills can boost your metabolism. I would recommend Folic Acid.
Nitroglycerin will not show up on a standard drug screen.
Metiformin
No. since amphetamines are stimulants it would be almost impossible.
There is no known way to speed up your metabolism. Many of the pills available will increase your heart rate, but this will not help you lose weight.
Yes
Any amphetamine has the potential to show a false positive result for methamphetamine. Cocaine, any medications for ADHD, and also prescription diet pills like, phentermine and didrex.
No, pills don't do that.
You need to eat healthy and exercise. Diet pills will only mess up your metabolism.