Support Healthy Nitric Oxide & Circulation NOS Defend by Compounded Nutrients is designed to support your body's healthy production and use of nitric oxide (NO) — a key molecule for healthy circulation, blood flow, and vascular function. Supporting nitric oxide helps deliver oxygen and nutrients throughout the body to fuel performance and everyday vitality. Why You'll Love It Nitric oxide support — supports your body's healthy use of nitric oxide Circulation — supports healthy blood flow and vascular function Performance & vitality — supports oxygen and nutrient delivery for everyday energy Cardiovascular wellness — part of a foundation for heart and circulatory health How to Use Take as directed on the product label, or as recommended by your healthcare practitioner. Because nitric oxide support can affect blood pressure and circulation, consult your healthcare practitioner before use if you take blood-pressure medication, nitrates, or erectile-dysfunction medication. If pregnant or nursing, taking other medications, or you have a medical condition, consult your healthcare practitioner before use. NOS Defend pairs well with NOS Support for comprehensive nitric oxide support. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.