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NOW Foods L-Arginine Review: What to Expect From This Supplement

Find out if NOW Foods L-Arginine, a supplement designed to enhance blood flow and circulation, is the right choice for your health goals in this review.

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In This Review

Overview

L-arginine is an important amino acid but many people simply don’t get enough of it in their diet. So NOW Foods L-Arginine seeks to solve that problem by making this amino acid easier to consume.

The makers of NOW Foods L-Arginine state that their arginine supplement is special because it uses pharmaceutical-grade arginine and is therefore more effective than other arginine supplements.

Now Foods is a popular manufacturer of supplements and there is a lot of interest in this supplement as of late. But is it really worth it for you? Find out in the following NOW Foods L-Arginine review.

What is NOW Foods L-Arginine?

NOW Foods L-Arginine is a dietary supplement that comes in capsule form. Because it comes in capsule form, it may represent a simple and convenient way for you to get your daily dose of L-arginine.

The manufacturers of this supplement state that it will help dilate the blood vessels and improve circulation. They also claim that NOW Foods L-Arginine will aid in protein production.

Most people take NOW Foods L-Arginine to help them maintain a healthy blood pressure and to improve blood flow to the extremities of their bodies.

How Does NOW L-Arginine Rate?

Overall Rating: 3.5
NOW Foods L-ArginineNOW Foods L-Arginine

ingredient

3.3/5Ingredients
Value for Cost

3.3/5Value for Cost
Manufacturer

3.5/5Manufacturer
Safety

3.5/5Safety

Brand Highlights

  • Well-established company
  • They claim to use pharmaceutical-grade ingredients
  • Family-owned brand

Key Ingredients

  • L-Arginine

Pros

  • The limited ingredient list may lower the overall risk of side effects
  • NOW Foods L-Arginine is a non-gmo product
  • There is no gelatin in the capsules so it may be suitable for vegetarians

Cons

  • This particular version only contains 700mg of l-arginine
  • There is only one active ingredient in the formula
  • The overall health benefits may be limited
  • There are no customer reviews for this product
  • It may not be safe for pregnant or nursing women

Who is the Manufacturer of NOW Foods L-Arginine?

The brand behind this product is called simple NOW Foods. The company states on their official website that their mission is to empower people to lead healthier lives through quality supplement products.

The company also claims that they have been producing quality supplements for over 50 years and that they are dedicated to sustainable sourcing of ingredients. They make a wide array of health supplements and vitamins.

How Does NOW L-Arginine Work?

Consumers should be aware that the only active ingredient in this product is l-arginine. So the overall health benefits may be limited as a result. Still, l-arginine supplementation may have some health benefits.

For instance, sometimes people use l-arginine as a treatment for erectile dysfunction since l-arginine has been known to dilate the blood vessels so that they can move more freely throughout the body.

As an amino acid, l-arginine may also be essential for the production of bodily proteins. This is why it is sometimes used as a workout supplement. However, the muscle-building effects may be moderate for most users.

NOW L-Arginine Ingredients – Are they Safe & Effective?

As we have mentioned earlier, there is only one active ingredient in the formula. It’s still important for consumers to know as much as possible about any supplement they are considering though so please take a look at the following analysis of the sole active ingredient in NOW Foods L-Arginine:

L-Arginine –

One of the claims the manufacturers of this product make is that l-arginine is important for the production of protein. While scientific studies have essentially confirmed that this is the case, the visible results may be limited.

There have also been studies that suggest that the protein-building effect of l-arginine may depend greatly on genomic stability and cardiac status of the individual user. So the results regarding protein production are likely to vary from user to user.*

Still, l-arginine supplementation has been proven to be generally beneficial for other areas of health. For instance, one National Institutes of Health study seems to suggest that it can help lower blood pressure as we read in the following quote:

In a study on 29 healthy individuals who were given L-arginine for one week, systolic blood pressure was reduced in 62% of participants.

There are also claims made about this supplement that it will help increase nitric oxide levels in the blood. Some studies suggest that l-arginine does indeed act as a substrate for nitric oxide as the Pubmed staff states:

L-arginine (Arg) serves not only as a building block of protein but also as an essential substrate for the synthesis of nitric oxide.

Benefits of NOW Foods L-Arginine

Improved Blood Pressure – For the right kind of user, NOW Foods L-Arginine may be a supplement that’s helpful for maintaining healthy blood pressure as arginine may help lower systolic blood pressure.

Helps Prevent Arginine Deficiency – Many people don’t get enough of this amino acid in their diet. So taking NOW Foods L-Arginine may be a convenient way to avoid arginine deficiency.

Better Blood Flow – There is evidence to suggest that l-arginine supplementation can increase nitric oxide levels in the blood which may result in better blood flow to the extremities.

How to Use NOW L-Arginine?

The instructions for NOW Foods L-Arginine are to take one capsule per day in between meals with at least 8 ounces of water.

Side Effects

There have not been any side effects reported in association with NOW Foods L-Arginine. However, it should also be noted that there are no customer reviews for NOW Foods L-Arginine at the 700 mg dosage.

Arginine supplementation may cause minor side effects like headache or trouble sleeping.

Safety

While l-arginine is considered to be generally safe by most medical authorities, there are some people who simply shouldn’t take it. People who are on nitrates or blood thinners are likely to encounter contraindications if they take NOW Foods L-Arginine.

It is extremely important that you talk to your healthcare practitioner before you start taking NOW Foods L-Arginine or any other kind of l-arginine supplement.

How Much Does the Now L-Arginine Supplement Cost?

On the official NOW Foods website, a single container of NOW Foods L-Arginine (180 capsule count) costs $27.99.

NOW L-Arginine Review – FAQs

Q: What is the return policy for NOW Foods L-Arginine?

A: Only new and unused items can be returned for a refund. If your package of NOW Foods L-Arginine is in new condition, you will have 30 days to return it for a refund.

Q: How should you take NOW Foods L-Arginine?

A: NOW Foods L-Arginine should only be taken orally as a dietary supplement. Users are advised to take 1 capsule a day with water.

Q: Is NOW Foods L-Arginine worth it?

A: NOW Foods L-Arginine may only be worth it for people who have poor circulation and don’t want to take nitrates or blood thinners.

Q: Where can I buy NOW Foods L-Arginine?

A: You can get NOW Foods L-Arginine on the official Now Foods website as well as popular 3rd party retail sites where the prices are likely to vary.

What Do the NOW Foods L-Arginine Reviews Say?

Unfortunately, there were no NOW Foods L-Arginine reviews to cite at the time of this writing. Now Foods may choose to publish reviews in the near future so be sure to check back with us for updates.

NOW L-Arginine Reviews – Conclusion

NOW Foods L-Arginine may be a good supplement for certain people. For instance, if your doctor tells you that you are low on l-arginine and that you could benefit from having more, this may be a convenient way to incorporate more l-arginine into your diet.

NOW Foods L-Arginine could also possibly help improve your circulation and have a moderate effect on protein synthesis. However, the effects are likely to be limited and there are no customer reviews for this product.

So it would be a good idea for anyone interested in this product to check out other l-arginine supplements before making a final decision.

Below you'll find some of the most effective l-arginine supplements on the market today, in our opinion.

Rating
Our Top Rated L-Arginine Supplements

Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned l-arginine supplements based on the available research:

WOWMD L-Arginine Plus
Seal
Supports Cardiovascular Wellness*Gold Star Evidence
Promotes Overall Vitality And Energy*Gold Star Evidence
Supports Immune Health*Gold Star Evidence
Helps Reduce Muscle Fatigue*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.9
L-Arginine HCl Powder
Maintain Energy Levels*Gold Star Evidence
Boost Body's Nitric Oxide Levels*Strong Evidence
Maintain Healthy Blood Pressure*Gold Star Evidence
Enhance Physical Performance*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8
L-Arginine Pro
Improves Workout Performance*Gold Star Evidence
Enhances Cardiovascular Health*Gold Star Evidence
Boosts Physical Energy*Strong Evidence
Supports Healthy Blood Flow*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Consumer Health Digest. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer. *All individuals are unique. Your results can and will vary.

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Customer Reviews for NOW L-Arginine

NOW Foods L-Arginine Review: What to Expect From This Supplement

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PRODUCT NAME
NOW L-Arginine
PRODUCT BRAND
NOW Foods
PRICE (in USD)
$29.99
ITEM FORM
Supplement
UNIT COUNT
120 Tablets
INGREDIENTS
L-Arginine

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    4 Sources

    We review published medical research in respected scientific journals to arrive at our conclusions about a product or health topic. This ensures the highest standard of scientific accuracy.

    [1] The Potential Role of Arginine Supplements on Erectile Dysfunction: A Systemic Review and Meta-Analysis:https://pubmed.ncbi.nlm.nih.gov/30770070/
    [2] Resistance training and L-arginine supplementation are determinant in genomic stability, cardiac contractility and muscle mass development in rats: https://pmc.ncbi.nlm.nih.gov/articles/PMC6160175/
    [3] The Effects of L-Arginine in Hypertensive Patients: A Literature Review:https://pmc.ncbi.nlm.nih.gov/articles/PMC8761475/
    [4] Role of L-Arginine in Nitric Oxide Synthesis and Health in Humans: https://pubmed.ncbi.nlm.nih.gov/34251644/
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