Nitric Oxide Test Strips Designed for simple at-home use, these test strips provide quick visual feedback to help you stay informed about nitric oxide-related indicators as part of a personal wellness routine. Features 20 Count Box – Includes a full set of test strips for repeated use. Fast Results – Results appear in approximately 10 seconds. Why You’ll Find Them Useful Quick feedback allows you to observe changes over time in response to dietary choices, supplements, or lifestyle habits. Designed to complement a proactive, educational approach to personal wellness. How It Works For general comparison, you may choose to test before and after a nitrate-rich meal, smoothie, or supplement. Avoid eating or drinking for at least 15 minutes prior to testing. Place the “saliva here” end of the strip on your tongue for 5 seconds. Fold the strip and press the pads together for 15 seconds. Compare the resulting color change to the reference scale provided to observe the result.