L-Arginine

Definition

L-Arginine is an amino acid that the body uses to make proteins. It is commonly used in supplements for sports performance and circulation improvement.

Scientific / Technical Definition

L-Arginine is a semi-essential amino acid that plays a critical role in the urea cycle, helping to rid the body of ammonia. It is a precursor to nitric oxide, a compound that relaxes blood vessels, thus improving circulation.

Benefits

• Enhances athletic performance by improving blood flow.
• Supports heart health by contributing to the production of nitric oxide.
• Aids in wound healing and immune function.
• May improve sexual function by increasing blood circulation.

Examples

• Chicken
• Fish
• Dairy products
• Nuts and seeds
• Legumes

Additional Information

• Side effects: Potential side effects include gastrointestinal discomfort and changes in blood pressure.

Related Terms

• Amino Acids
• Nitric Oxide
• Urea Cycle
• Supplements
• Protein Synthesis

References

• L-Arginine in nutritional research: Current status and future perspectives.
• The Physiology of L-Arginine