Ultimate Nutrition Arginine Power Review

Editors' rating:





It appears that the manufacturer has at least done some research to determine that L-arginine is one of the most important ingredients for improving nitric oxide levels in the body

Ultimate Nutrition Arginine Power Review

Ultimate Nutrition Arginine Power is a supplement that is designed to increase levels of nitric oxide in the body. Nitric oxide causes blood vessels to open wider so that blood flow can improve to the heart and muscles, especially during a workout. We evaluate these claims and the effectiveness on this product based on the ingredients included and we determine how trustworthy this manufacturer is based on their customer service.


This is supplement contains 800 g of pure L-arginine. Arginine is the amino acid that gets converted into nitric oxide by the cells that line the blood vessels called the endothelial cells. Nitric oxide causes the muscles that lie below the endothelial cells to relax and widen the blood vessel to improve blood flow both during and after a workout.

Although arginine is one of the most important ingredients in a nitric oxide supplement, there are some others which should be included to support its action. For example other amino acids like L-ornithine and L-citrulline should be present because they are converted to arginine when supplies of it run out. Other ingredients which are lacking from this product include plant extracts which may contain antioxidants to protect the endothelial cells and compounds which accelerate the production of nitric oxide synthesis. Examples of these plant extracts are beetroot, pine bark and quercetin.

It also wouldn’t be a bad idea for the manufacturer to have included some plant extracts which regulate testosterone levels, simply because this hormone plays a big part in muscle building.


One to two capsules should be taken each day between meals. Despite the fact that this is a pure arginine supplement, it offers a lower dose of arginine and some of the other manufacturers of similar products. We’ve observed products with at least double the dose of arginine and then compared to this one.


One hundred capsules of Arginine Power can be purchased online for $28.95. This price does not include shipping or taxes. There are also no discounts for buying multiple bottles at once or any subscription services that could save a customer money.


We could not find any evidence that this manufacturer offers any form of guarantee on a product. This concerns us because it means that there is no manufacturer confidence in the product which means that the effectiveness can’t be certain.

Ultimate Nutrition Arginine Power Review – Conclusion

It appears that the manufacturer has at least done some research to determine that L-arginine is one of the most important ingredients for improving nitric oxide levels in the body, but there are some other considerations that the manufacturer just didn’t take into account.

The supplement is offered at a fairly reasonable price but because there is no guarantee, customers still stand a high chance of wasting their money on a product which may not work for them, especially considering that this supplement lacks a few key ingredients. We highly recommend that customers also look at nitric oxide supplements that contain more ingredients and that are protected by a satisfaction guarantee.

Concise, honest reporting from Authority Reports.


Albert holds a PhD in Chemistry from the Ben-Gurion University of the Negev. He is currently working in a Biochemistry laboratory at Columbia University in NYC. In addition to contributing to many online publications, Albert spends his time away from the laboratory with his partner of many years, and their dog, Helium.

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