UPDATED 05/09/2016

L-Arginine Review
L-Arginine Review

PUBLISHED: 10/23/2013 by BR Technical
Editor's Review: 3.6/5.0
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L-Arginine is a dietary supplement based on a single ingredient with the same name: Arginine. This product was developed by Carlson Labs, which has an experience of over 45 years in the industry of dietary supplements. Although the product range is vast and includes various products, the company focuses on several clear product categories including herbals, vitamins and minerals, fish oils, enzymes, amino-acids, and antioxidants.

L-Arginine is a non-essential amino-acid, and it is known for its contribution to enhancing the immune system. It also increases the size and function of the thymus gland, which is responsible for generating lymphocytes, T-cells, which have an important role for the good functioning of the immune system. This product was created to support overall health for people who want to increase their resistance to diseases and to improve other aspects of their metabolism and organism. This compound is gaining more and more popularity as a non-prescription treatment for high cholesterol, since clinical studies in the domain, most of them made on animals, suggest that it may improve coronary blood flow and lower cholesterol levels. The formula is based on only one amino-acid and it is natural color, Starch-free, Salt-free, Sugar-free, Wheat-free, Yeast-free, Corn-free, Milk-free, Soy-free, Gluten-free, and Preservative-free.

L-Arginine Ingredients

L-Arginine contains the following ingredients: L-Arginine and excipients.

Product Features

The only ingredient found in this nutrient is L-Arginine, a non-essential amino acid that includes protamines and histones, which are proteins associated with nucleic acids. L-Arginine was first discovered and isolated in 1895 from animal horn. This element may be found in seminal fluid, being used in the treatment of male sexual health and sterility. This amino acid is essential especially for newborns since it is known that they produce it too low. Since it has an important role in enhancing the immune system, L-Arginine may be a great support for people who suffer from AIDS and other malignant diseases which repress the immune system. It may be used for releasing insulin and it may be a part of pituitary gland, as it stimulates the hormone growth. For this reason, it is commonly used in sexual stimulants.

L-Arginine may also be important for the liver health and it helps neutralizing ammonia. Moreover, this nutrient is important for healing of tissue and structure of collagen and building of new bone and tendons. The side-effects of L-Arginine are rare, but there may appear symptoms of hair loss and damage the insulin production. In the case of excessive intake, there is a risk of skin thickening and coarsening, weakness, diarrhea, and nausea. It also may stimulate the activity of some viruses, such as herpes.

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  • There are no shipping charges.
  • The company has a very long experience in the industry.
  • The price is very low.


  • There is very few information about the product on the company’s website.
  • L-Arginine has several unpleasant side-effects.


L-Arginine is an ingredient which, initself has been approved by the FDA, but the company doesn’t make any claims about any clinical studies for the product. However, considering the fact that it does not seem to contain anything else, it may be just as valuable as any product based on this amino-acid. The supplement comes in the form of gelatin capsules, the serving size being one to four capsules per day. One bottle contains 90 capsules, which is enough for a long time for the common consumer. As it is the case of the majority of supplements, you should consult a healthcare professional prior to consumption.

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L-Arginine ReviewBR Technical3.52016-05-09 12:09:31
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