The L-form of arginine is one of the 20 amino acids that are commonly found in nature. It is classified as a conditionally essential amino acid, meaning that the human body can’t manufacture sufficient quantities under certain conditions and developmental stages. For example, preterm infants and adults with poor nutrition may require l-arginine as a nutritional supplement. The Swiss chemist Ernst Schultze first isolated l-arginine in 1886 from an extract of lupin seedlings.
L-arginine is readily available from many dietary sources. Common animal sources of l-arginine include meats such as beef, poultry and wild game, especially birds. Dairy products like milk, whey protein and yogurt are also significant sources of l-arginine. Fish like halibut, salmon and tuna contain l-arginine, as do shellfish such as shrimp. Plant sources of l-arginine include wheat flour and wheat germ. Nuts such as almonds, cashews, pecans and walnuts also contain high concentrations of l-arginine. Additional plant sources include seeds like pumpkin, sunflower and sesame.
L-arginine is critical for supporting the body’s natural ability to heal itself. It also has many other important roles such as supporting cell division and maintaining immune health and healthy hormone levels. Other physiological functions performed by l-arginine include the transportation of ammonia from the body.
The relief of muscle discomfort is one of the most common reasons for taking l-arginine supplements. It also used to help reduce the recovery time after exercise. Some people also take l-arginine to support healthy circulation.
L-arginine can help to support healthy heart function and circulation. Additional conditions that may be benefited by l-arginine include discomfort in the chest.
L-arginine may also help reduce the recovery from exercise. This use of l-arginine is often combined with eicosapentaenoic acid (EPA) and ribonucleic acid (RNA).
L-arginine may also increase your tolerance for exercise, especially if you frequently experience chest discomfort.
L-arginine is often taken to help relieve muscle discomfort. This regimen typically lasts for at least eight weeks.
The body normally maintains an adequate supply of l-arginine, although some conditions can deplete this supply. L-arginine is a common supplement for bodybuilders, since it may help reduce fat storage and increase exercise endurance. It promotes the metabolism of protein by supporting nitrogen balance, so it may also be useful for people who wish to support a healthy weight.
Arginine, l arginine, L-Arginine HCL
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