Nitric Oxide

Definition

Nitric oxide is a gas that's naturally produced by your body, which helps your cells communicate with each other and plays a role in many physiological processes.

Scientific / Technical Definition

Nitric oxide (NO) is a small, gaseous signaling molecule in the body that plays a critical role in vascular regulation, neurotransmission, immune defense, and cellular respiration. It is synthesized from the amino acid L-arginine and oxygen by the enzyme nitric oxide synthase (NOS).

Benefits

• Improves blood flow and circulation
• Reduces blood pressure
• Enhances exercise performance and recovery
• Supports immune function
• Acts as a neurotransmitter in the brain

Examples

• Beets
• Spinach
• Garlic
• Meat
• Dark chocolate

Additional Information

• Importance: Nitric oxide is important for cardiovascular health by promoting relaxation and dilation of blood vessels, which improves overall blood flow.

Related Terms

• Antioxidants
• Free Radicals
• L-Arginine
• Nitric Oxide Synthase

References

• Role of nitric oxide in cardiovascular disease: Focus on the endothelium
• The emerging role of nitric oxide in exercise physiology