I've been trying them for a while. They just never work. That doesn't mean the theory behind the ingredients doesn't work. It will work, but in these IMO it's just not enough. I could never get my strips to read bright purple. For some reason I've been bombarded with ads for NEO40 and Beet Powder lately. Honestly, people in the videos are naive and don't know how to read instructions. The strips clearly say not to put it on your tongue and these maniacs chew NEO40 and then put it on their tongue. My goodness. I wonder what will happen? lol The pills contain nitrates so the strips will give a positive result if you test them in close proximity. What you want to recognize is the nitrates in your BODY. I was finally able to get my NO and test the bright purple color by buying beetroot powder in bulk. 2 tsp twice a day. I also bought BULK Citrulline (an amino acid) and am taking 1500 mg twice a day. THAT is what gave me the bright red color on the test strips. I believe that NEO 40 contains these two ingredients, but in my case they just aren't enough. I'll tell you right now. I may have a NOS-SNP mutation that makes me less able to produce nitric oxide and therefore they just aren't strong enough. . Or maybe you are. Don't try them for convenience in my opinion, and if you test them well AFTER a few hours of chewing, then fine. If not, use powder.
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