These diagnostic tools offer a rapid, accessible means of assessing levels of a key signaling molecule in the body. Employing a colorimetric reaction, these devices provide a semi-quantitative estimate based on the intensity of color change observed after contact with a biological sample, such as saliva or urine. This allows for a non-invasive and relatively simple assessment of physiological processes linked to the presence of this molecule.
The measurement provided by these tools is significant due to the molecule’s wide-ranging roles in vascular health, immune function, and neurotransmission. An understanding of its concentration can provide insights into potential cardiovascular risks, inflammatory conditions, and even athletic performance. Historically, more complex laboratory techniques were required for such measurements, highlighting the value of this readily available alternative.