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Introduction

Unless you’ve been boycotting television, you’ve very likely seen this product advertised at some point – the commercial makes this product seem like it could be the cure to low testosterone levels in men, but is that really true?

In this Nugenix Free Testosterone Booster review, we’re taking a look at the ins and outs of this hyped up test booster so you know exactly what to expect from it.

Readers please note that statements on this page are fair comment based on observation. This content is produced on a matter of public interest. Statements on this page are our honest opinion.

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What Is Nugenix Free Testosterone Booster?

Nugenix Free Testosterone Booster, as you probably already guessed by the name, is a herbal test boosting supplement created by a US-based nutrition company named Adaptive Health LLC (trading as Nugenix).

One bottle of Nugenix Free Testosterone Booster costs $69.99, contains 90 capsules and will last users for exactly one month, provided that they stick to the daily directions of 3 capsules per day; it is available from the official Nugenix Free Testosterone Booster website, GNC and Amazon.

Like the vast majority of the products Nugenix makes, the Free Testosterone Booster is targeted towards men who are either looking to gain muscle mass, or those who feel like they’re suffering from the negative effects of low testosterone (such as low sex drive, low energy, etc.).

The product itself is a complex of Zinc, Magnesium and Vitamin B6 with an added proprietary blend of herbal extracts and amino acids.

Nugenix state that this product’s primary function is to boost free testosterone levels (when used in conjunction with a resistance training regime). They also claim that the formula contains ingredients that help to improve libido, strength, drive, and vitality.

Does Nugenix Free Testosterone Booster Work?

When considering the effectiveness of a product, you’re essentially taking into consideration the ingredients and dosages that product contains; after looking further into the Nugenix Free Testosterone Booster, we believe that this product could prove to be somewhat useful for those looking for support gaining muscle mass and strength, however we’re not fully sold on the idea that this product can improve your sex-life or “virility” to any significant degree.

This product is primarily powered by a proprietary blend consisting of 3 active ingredients. We’ve broken it down a little bit below:

Primary ingredient #1 – L-Citrulline

This non-essential amino acid has had some significant research, and unfortunately there isn’t a single study out there that confirms it increases testosterone production. Despite this, studies have shown that L-Citrulline can help support strength and improve recovery times.

With L-Citrulline helping you to work harder in the gym, you’ve got every chance of making better gains.

Primary ingredient #2 – Fenugreek

This is another herbal extract that sadly has no studies confirming that it directly improves testosterone production, but much like L-Citrulline, it has been shown to significantly improve strength and muscle density. A study conducted in 2010 concluded that “Fenugreek extraction had a significant impact on both upper- and lower-body strength and body composition”.

Primary ingredient #3 – Tribulus Terrestris

This plant extract is one of the most commonly seen ingredients inside modern testosterone boosting supplements, and it’s the biggest dud out there. There have been countless studies conducted on Tribulus, and sadly they’re all came back with the same conclusion – the ingredient does not have androgenic effects, and it does not improve strength or athletic performance.

While it may seem pretty grim so far, the product does contain a vitamin and mineral blend of Zinc, Vitamin B6 and Vitamin B12. Zinc has been shown to help support normal testosterone levels (i.e. it can help bring your T-levels up to where they should be). Vitamins B6 and B12 have also been shown to help support normal testosterone levels too.

The bottom line: like anything, there is no quick fix and these pills aren’t going to give you the body of a greek god overnight. You’ll need to be using it for a period of 2-4 months to see any real benefits, and you’ll need to be busting a gut in the gym. In addition to ensuring you’re regularly weight training, you’re going to need to make sure your diet is on point, ensuring you’re consuming enough protein and calories to stimulate muscle growth.

The Pros & Cons Of Nugenix Free Testosterone Booster

Below we have listed everything we would personally consider either a positive or negative:

The Pros

  • Can help support muscle and strength gain.
  • Can help reduce recovery times after strenuous exercise.

The Cons

  • Not enough evidence to suggest ingredients inside the product will directly elevate testosterone levels in otherwise healthy men.
  • Users of this product will require a robust diet and training regime in order to truly see muscle gains.
  • Very expensive.
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What Are The Nugenix Free Testosterone Booster Ingredients?

We have found the following supplement facts for this product:

One Serving Contains: Vitamin B6 2mg, Vitamin B12 50mcg, Zinc 1.05mg, and Proprietary Blend 2103mg (L-Citrulline, Fenugreek Seed Extract, Tribulus).

Is Nugenix Free Testosterone Booster Safe?

This product is completely free from any banned or dangerous ingredients, therefore we believe it is very likely safe. We must advise that you stick to the daily serving amounts.

What Are The Nugenix Free Testosterone Booster Side Effects?

We’ve compiled the following potential side effects based on the ingredients inside this formula:

  • Diarrhea
  • Stomach discomfort
  • Flatulence
  • Dizziness
  • Headache
  • Insomnia
  • Constipation
  • Cramps [1][2]

Note: these side effects are possible but may not be the typical user experience.

Are There Any Nugenix Free Testosterone Booster Reviews From Customers?

We have found the following Nugenix Free Testosterone Booster review testimonials via customers on Amazon:

I am 75 and have taken this product for thirty days and it feels like I definitely have boosted my energy levels and will begin my second thirty day shortly but at this point I feel it has helped me attain new energy levels.

did not work for me had blood work before and took for3 months had blood work done again no change

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Our Final Verdict On Nugenix Free Testosterone Booster

To conclude our Nugenix Free Testosterone Booster review, there are certain things we like about the product and certain things that we aren’t too thrilled with.

Starting with the positives, we like how it can help support muscle growth, as well as strength gains. It also contains an ingredient that can hasten your recovery from exercise, meaning you’ll be back in the gym working out faster than normal.

To us, the real downside is the lack of “test boosting” ingredients – there’s just nothing with any conclusive scientific evidence to show the ingredients will have an immediate impact on the user’s hormones.

Abbey Carlson, RD
Abbey Carlson, RD
Staff Writer & Fact Checker at DietProbe
Abbey is a registered dietitian who specializes in human nutrition and obesity prevention.
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Fact Checked


This article has been reviewed and fact-checked by a certified nutritionist, and only uses information from credible academic sources.