L-시트룰린 750mg | 혈액순환 및 산화질소 생성 지원 | 120 V캡슐

L-citrulline is a non-essential amino acid that serves as a precursor to L-arginine and nitric oxide in the body. It was first isolated from watermelon (Citrullus vulgaris) in 1930 one of the richest natural food sources of L-citrulline. L-citrulline is absorbed intact from the gastrointestinal tract and converted to L-arginine in the kidneys, supporting sustained L-arginine availability and nitric oxide production. Nitric oxide is a potent vasodilator that relaxes vascular smooth muscle, supporting healthy blood vessel tone and circulation

L-arginine is the direct substrate for nitric oxide synthase (NOS) the enzyme that produces nitric oxide. However, oral L-arginine supplementation is limited by significant first pass metabolism in the intestinal wall and liver, where the enzyme arginase rapidly degrades L-arginine before it reaches systemic circulation. L-citrulline bypasses this limitation entirely because it is not a substrate for arginase. It is absorbed intact and converted to L-arginine in the kidneys, where it enters systemic circulation. Research consistently shows that oral L-citrulline produces greater and more sustained increases in plasma L-arginine levels than equivalent doses of oral L-arginine itself making L-citrulline the preferred form for nitric oxide and circulation support.

L-citrulline supports circulation through the L-citrulline → L-arginine → nitric oxide pathway. Nitric oxide (NO) is produced by nitric oxide synthase (NOS) from L-arginine and acts as a potent vasodilator it relaxes vascular smooth muscle in blood vessel walls, causing them to widen and reducing resistance to blood flow. This mechanism supports healthy blood vessel tone, healthy endothelial function, and healthy circulation throughout the cardiovascular system. L-citrulline supplementation increases plasma L-arginine availability, supporting sustained nitric oxide production and healthy vascular function.

L-citrulline supports exercise performance through two complementary mechanisms. First, by supporting nitric oxide production and vasodilation, L-citrulline improves oxygen and nutrient delivery to working muscles during exercise supporting stamina and endurance. Second, L-citrulline is a key intermediate in the urea cycle the metabolic pathway that clears ammonia from the body. Ammonia accumulation in muscle tissue is a primary contributor to exercise-induced fatigue. By supporting urea cycle function and ammonia clearance, L-citrulline helps reduce the buildup of fatigue-inducing metabolites during high-intensity exercise.

L-citrulline is generally well tolerated in healthy adults at supplemental doses. Ask a healthcare practitioner before use if you are taking medication for cardiovascular diseases, erectile dysfunction, or blood thinners L-citrulline supports nitric oxide production and vasodilation, which may interact with medications that affect blood pressure or vascular tone. Ask a healthcare practitioner before use if you have a cardiovascular disease and are attempting an increase in physical activity. Ask a healthcare practitioner before use if you are pregnant or breastfeeding. Keep out of reach of children.