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Home > Supplements > Other Supplements > L-Arginine

L-Arginine Supplements

L-Arginine is a vital amino acid that plays a role in a number of physiological functions in the body, but is best known for its cardiovascular benefits. In the body, L-Arginine is converted to nitric oxide, which relaxes the blood vessels and regulates blood vessel tone and flexibility.

L-Arginine Benefits

Arginine, which is also known as L-Arginine, has various functions in the human body that include:
  • maintaining healthy immune system
  • improved circulation
  • helps to relax blood vessels, thereby lowering blood pressure
  • reduced stress on heart
  • proper wound healing
  • helping kidneys eliminate waste products
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Vaxa Protec Amino Acid Supplement
Vaxa Pro-Tec (Essential Amino Acid Supplement)
List Price: $29.79
EarthTurns: $26.90

Natural Amino Acid Supplement. Essential Amino Acids.
Metagenics Arginine Plus ActiFolate
Metagenics - Arginine Plus - with ActiFolate - 120 Tablets
List Price: $35.95
EarthTurns: $35.95

Metagenics Arginine Plus with ActiFolate helps support normal homocysteine levels
Metagenics ArginCor
Metagenics - ArginCor - Powder
List Price: $53.95
EarthTurns: $53.95

Medical Food for Peripheral Artery Disease
L Arginine 500
Douglas Laboratories - L-Arginine 500 mg - 60 Capsules
List Price: $10.60
EarthTurns: $10.60

Contains 500 mg pure, crystalline L-arginine
L Arginine
Douglas Laboratories - L-Arginine - 100 Capsules
List Price: $19.70
EarthTurns: $19.70

Contains 700 mg pure, crystalline L-arginine
Pure Encapsulations L-Arginine,L-Arginine
Pure Encapsulations - L-Arginine - 180 Capsules
List Price: $35.10
EarthTurns: $35.10

Supports Improved circulation.
Pure Encapsulations L-Arginine 90 Capsules
Pure Encapsulations - L-Arginine - 90 Capsules
List Price: $19.90
EarthTurns: $19.90

Supports Improved circulation.
L Arginine Supplement
DC Labs - L-Arginine 1000 mg - 90 Tablets
List Price: $40.00
EarthTurns: $26.40

L-Arginine Supplement
Natural Arginine Capsules
DC Labs - Arginine 500 - 90 Capsules
List Price: $21.00
EarthTurns: $13.97

Natural L-Arginine Capsules
DC Labs Arginine Ornithine Lysine Tri Amino
DC Labs - Tri-Amino Acid (Arginine Ornithine Lysine) - 120 Tablets
List Price: $30.00
EarthTurns: $19.80

Amino Acid Support


L-Arginine, an important amino acid has numerous physiological functions but as mentioned, the most important is what it does for the heart. By converting to nitric oxide, L-Arginine relaxes the blood vessels which helps keep blood pressure under control and improve circulation. This also helps to improve their flexibility and tone.

L-Arginine is a natural dietary supplement that may also improve blood flow to the heart which can reduce clogged arteries and decrease angina (chest pain).

Since L-Arginine can relax arteries and improve the flow of blood, some researchers postulate that it may also be beneficial for individuals with ED, or erectile dysfunction.

Is L-Arginine Safe?

Clinical trials has shown that L-Arginine is safe and only had some minor side effects such as diarrhea, gout and bloating. It may also make breathing more difficult for those with asthma. L-Arginine may also react with various heart medications or other drugs like Viagra. Because of this, you should speak to your doctor about taking L-Arginine if you are on heart medication or take a medication for erectile dysfunction.
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