L-Arginine : All you need to know about this wonder amino acid


M.Sc. Nutrition & Dietetics

Navneet Kaur


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L-Arginine is a conditionally or semi-essential amino acid that our body can produce. This amino acid constitutes approx. 7–5% of the total amino acids in our regular diet and absorbed in the small intestine 

What is L-Arginine? 

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L-Arginine foods 

Meat, fish, nuts, eggs, poultry, and dairy products are L-arginine-rich foods. It has numerous potential benefits when taken as a supplement.  

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L-Arginine has the potential to improve blood flow and increase the supply of oxygen and nutrients to the muscles. Hence, it may help increase stamina and endurance during training or workouts.  

1.  Boost Exercise Performance. 

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L-Arginine may promote healthy blood pressure levels by acting as a vasodilator and increasing the nitric oxide activity in the body. 

2.  Healthy Blood Pressure Levels. 

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Studies suggest that L-arginine may improve the symptoms of chest pain and coronary heart disease and reduce heart attack risk by preventing blood from clotting. 

3. Promote Heart Health. 

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Arginine can benefit people with diabetes by enhancing the function of cells that secrete insulin, allowing our body to use blood sugar more efficiently. 

4. Anti-Diabetic.  

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Oral supplementation of L-arginine may speed up recovery, wound healing, and build immunity when taken under doctor's supervision. 

5. Manage Critical Illness. 

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Fitness lovers usually prefer between 1-3 grams before a workout to promote muscle pumping. However, the dosage may vary depending on the reason it is used. 

How much L-Arginine per day is good?