argininy

Argininy, in Polish usage, refers to arginine, specifically the amino acid L-arginine. It is one of the 20 standard amino acids used to build proteins and is characterized by a side chain containing a guanidino group, which gives it a positive charge at physiological pH.

Biologically, arginine plays several key roles. It is a precursor in the synthesis of nitric oxide, a signaling molecule that helps regulate blood vessel dilation and blood flow. It is also involved in the urea cycle, helping to remove excess nitrogen from the body by forming urea. Additionally, arginine serves as a precursor for polyamines important in cell growth, as well as for the synthesis of creatine, proline, and other metabolites. It contributes to wound healing and immune function and supports various hormonal processes.

Sources and metabolism vary with life stage and health. The body can produce arginine endogenously, but in some situations—such as infancy, trauma, or certain illnesses—it is considered conditionally essential, meaning dietary intake becomes more important. Dietary arginine comes from protein-rich foods such as meat, fish, dairy, eggs, nuts, seeds, legumes, and whole grains. Plant-based diets can provide ample arginine, though intake from a varied diet is generally sufficient for healthy adults.

Supplementation and medical use should be approached with caution. Arginine has been studied for conditions such as erectile function, cardiovascular health, and wound healing, but results are mixed and not universally recommended. High doses can cause gastrointestinal discomfort and may interact with certain medications or conditions; medical advice is advised before starting supplements.