L-Arginine 500mg Capsules


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L-Arginine is a naturally occurring non-essential amino acid, which means that it is something that is produced by the human body, specifically in one's own blood vessels, and it assists in keeping blood vessels open. The process of keeping blood vessels open, this way, is what is known as being...
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Gluten freeGM FreeEthically sourcedScientifically testedPremium grade ingredientsMade in the UK

L-Arginine is a naturally occurring non-essential amino acid, which means that it is something that is produced by the human body, specifically in one's own blood vessels, and it assists in keeping blood vessels open. The process of keeping blood vessels open, this way, is what is known as being vasodilatation.

In addition to creation in your body, it can also be found in certain types of foods such as red meat, fish, poultry, nuts, seeds, grains, wheat germ, and also dairy products.

What are the benefits of L-Arginine?

L-Arginine is something that is shown to play a very important role with many key functions of the human body. Some of these functions include,

  • Supports healthy blood pressure
  • Supports healthy cholesterol levels
  • Increases energy
  • Promotes healthy circulation
  • Provides immune system support
  • Regulates hormones
  • Regulates proper kidney function
  • Helps with muscle development

What is L-Arginine?

L-arginine is part of a group known as amino acids. These are obtained from your diet and are vital for the body in the their production of proteins. You can find l-arginine in red meat, fish, dairy products and poultry. It can also be created in a lab and used in medications.

What is L-Arginine used for?

L-Arginine is used for various functions of the human body, It can be used for wound healing. It dilates and relaxes the arteries. This supplement helps the kidneys to take away any existing waste products from the blood and maintains immune and hormone function.

There is some evidence that does show that L-Arginine helps to improve blood flow within the arteries of the heart.

How does L-Arginine work? 

L-Arginine works in various ways. It aids in a wide range of bodily functions. Within the body, L-Arginine is converted into nitric acid, and acts as a very powerful form of neurotransmitter.

Once in the body, l-arginine is converted into the chemical known as nitric oxide. This improves the flow of blood around the body by widening the blood vessels. L-arginine also helps in the stimulation of the release of insulin, growth hormones and several other substances required by the body for good health.

Who should use L-Arginine?

L-Arginine supplements are specifically designed to support modern and active lifestyles. Although L-Arginine is particularly popular with male customers, this essential amino acid can be beneficial for both men and women.

L-arginine can be beneficial in treating congestive heart failure, improving your recovery following surgery, the chest pain associated with angina, preventing the loss of nitroglycerin that is associated with angina sufferers, erectile dysfunction, improving the performance of the kidneys in transplant patients, inflammation of the bladder, preventing digestive tract inflammation in premature babies and weakness and cramping in legs associated with blocked arteries. 

How to take L-Arginine? 

Take one-three capsules daily with food.

The standard pre-workout dose for L-arginine is 3-6g.

To maintain elevated arginine levels throughout the day, arginine can be taken up to three times a day, with a combined dose total of 15-18g. Note: L-Citrulline supplementation is more effective at maintaining elevated arginine levels for long periods of time.

Taking more than 10g of arginine at once can result in gastrointestinal distress and diarrhoea.

Thought to be safe for most when taken orally in the correct dosage in the short term. Possible side effects include bloating, abdominal pain, blood abnormalities, gout, diarrhoea, airway inflammation, allergies, low blood pressure and the worsening of asthma.

L-arginine can cause a severe allergic reaction in those with asthma and other allergies. It can cause the airways to swell and should be used with caution if you suffer from either of these.

Those with herpes should be careful as recent research suggests that l-arginine helps the virus to multiply.

If you suffer from low blood pressure l-arginine can make it drop further.

If you have recently suffered a heart attack then you should be aware that l-arginine could possibly increase the risk of death especially in older people. Do not take l-arginine if you have suffered a heart attack recently.

As l-arginine can effect blood pressure you should not take it if you have scheduled surgery as it can make the blood pressure difficult to control during the surgery. Stop taking this supplement at least 2 weeks before you surgery.

L-Arginine Ingredients

  • L-Arginine HCL 605mg providing L-Arginine 500mg, 
  • Magnesium Stearate, 
  • Gelatin, 
  • Titanium Dioxide

  • What studies have been conducted on L-Arginine?

    In some clinical trials, L-Arginine  was able to used safely, and with minimal side effects on test subjects. These clinical trials would run for three months and the side effects that were minimal.


    Safety And Quality

    • Manufactured to GMP protocols
    • Uses pharmaceutical grade ingredients
    • Manufactured in the UK
    • EFSA compliance (European Food Safety Authority)
    • Manufactured in an Informed Sport registered facility

    Good manufacturing practice

    Returns Policy

    You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

    You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

    If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


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