Super-Sensitive 100 ng test -Be Sure - 5-Pack

I bought two different kinds of test and I actually like these the best! Very easy to use and to read the results. I stopped smoking 11 days ago and I started to see a faint test line on Day 8. Today’s line was much stronger and I feel confident that my results are negative for nicotine and cotinine!

These test strips were great! Wait time is only 5 minutes and they are accurate.

very sensitive. got me

They detect nicotine several days since use.

This test kept coming up positive when I had a cotinine lab value of 23 ng/mL. It was only supposed to show positive if cotinine was 100 ng/mL or higher. This was a huge waste of my time and money!

I was having plastic surgery and my doctor tested for nicotine levels also, so I was very nervous as the first test light up immediately, and it was decreasing with time, in my case, it took 6 days to show negative. I was a one pack per day of menthol (which is more difficult to get rid of) and day 6 NEGATIVE.

Accurate testing. Quick ship. Good deal.

I’m writing this review for all the others out there who are very nervous about taking the test. A positive result can have very serious consequences! I smoked my last cigarette on Wed. night. First test was Saturday evening. I expected it to be positive, but I wanted a benchmark test. Sunday’s results looked like it was leaning toward negative possibly, but Monday was definitely positive for nicotine/cotinine. So was Tuesday. This was taking longer than I thought. Wednesday a.m., it came out clearly negative. I took a second test about a half hour later, and negative again. Within the hour, I had taken the test at the lab. It came out Negative. Whew! Six full days of not smoking. I do smoke like a fiend, so it maybe took longer for me than it might for others. I definitely trust this test. I bought two batches for a total of ten tests and used six. You will definitely know when it’s negative because the line will color up immediately.