TestoFuel Review (2024) Potent Testosterone Booster?

James Cunningham, BSc, CPT
Published by James Cunningham, BSc, CPT | Staff Writer & Senior Coach
Last updated: July 17, 2024
FACT CHECKED by Dr. Kristy Dayanan, BS, MD
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Testosterone supplements increase muscle mass, decrease body fat, and improve physical performance, among other benefits.

That’s why they’re always part of my bodybuilding recommendations. Lately, TestoFuel has become the product I most often recommend.

I’ve spent many months researching and reading through hundreds of TestoFuel reviews, as well as testing it on myself and several of my clients.

Read my full honest review on TestFuel to find out its benefits, ingredients, and how to use it.


Rated 4.7/5


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Who is it for?

Who is it for?

  • Athletes and bodybuilders
  • Those with low testosterone wanting quick results

Who is it not for?

  • Only available through the official website, limiting purchasing options

Final Verdict

TestoFuel provides excellent value with scientifically backed ingredients and is great for those needing a reliable testosterone boost.

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What Is TestoFuel?

Product image for Testofuel

TestoFuel is an all-natural testosterone booster and muscle-building supplement made by Roar Ambition.

It uses scientifically proven and all-natural ingredients to increase testosterone production.

The male sex hormone is vital to your overall health and well-being, and if your levels drop too low, you can suffer some quite severe health issues in the long run.

From a sports and fitness perspective, TestoFuel aims to increase testosterone levels to help athletes perform better during physical activity, boost the creation of muscle mass, and reduce body fat.

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How Does TestoFuel Work and Is It Effective?

TestoFuel is effective and works by naturally improving testosterone levels. According to a study published on the PubMed website, increased testosterone accelerates muscle growth and supplies the body with the missing elements it needs to make more of the hormone [1].

Based on our six months of research and testing, interaction with users online, progress monitoring with my clients who use it, and taking it myself regularly, I can say that TestoFuel is effective.

Within weeks of using it for this TestoFuel review, I noticed a boost in my sex drive.

After over a month, my workout performance and muscle building improved. I finally saw some developments in my midsection, arms, and chest appearance.

If you have been struggling with muscle building and muscle growth despite working hard at the gym and eating well, it could be down to the low testosterone levels, which can be medically and naturally rectified.


TestoFuel Ingredients

CTA of TestoFuel Supplement Facts

We'll get to the details of the TestoFuel ingredients shortly, but I can give away at this stage that my dietician has confirmed that everything in this product is natural.

Let's move on to the list of all the ingredients.

D-Aspartic Acid (2000 mg)

According to another study published on PubMed, this critical amino acid plays an indirect role by triggering a part of your brain to regulate certain hormones that send a signal to your family jewels to increase natural testosterone production [2].

Several users were convinced to try out TestoFuel at first because of the studies they've seen about DAA. Indeed, many users have a massive increase in their free testosterone levels, improving their libido and overall mood.

Vitamin D3 (4000 IU)

Referred to as the "sunshine vitamin," vitamin D has many critical health benefits.

But one area that is often understated is that scientific studies have shown that it helps increase total and free testosterone levels [3].

The most recommended form of vitamin D supplementation is cholecalciferol or vitamin D3 since the body quickly absorbs it.

And it's one of the common ingredients I see in the leading T-boosters available today.

Oyster Extract (100 mg)

As one of the best natural sources of zinc, the oyster extract has been linked to improved reproductive function in both men and women [4].

My dietician also mentioned that it contains vitamin D and magnesium, which can help boost testosterone production and enhance endurance during workouts.

Zinc (10 mg)

Speaking of zinc, TestoFuel contains an added dose of it as there have been countless studies that prove its effectiveness in increasing the production of the three building blocks of free testosterone: Follicle-Stimulating Hormone (FSH), Luteinizing Hormone (LH), and Human Growth Hormone (HGH) [5].

Our research indicates that Zinc, DAA, and vitamin D3 are widely studied ingredients proven to increase testosterone levels.

It explains the positive results many users got, from faster lean muscle mass growth to increased motivation to hit the gym.

Asian Red Panax Ginseng (100 mg)

In Asia, ginseng has been used as a love life enhancer for thousands of years.

This natural herb also helps with overall hormonal balances that improve your overall mood and testosterone levels [6].

While it was historically used as an aphrodisiac and libido enhancer, scientific studies have shown that it has a positive impact on the processes involved in releasing more testosterone.

Our results also confirm this with a blood test showing that our team saw a boost of up to 35% in free testosterone.

Fenugreek Seed Extract (50 mg)

This herb called fenugreek originates in Greece, and studies published on PubMed have shown that it can block 5-alpha-reductase and aromatase, two enzymes that use testosterone to produce other hormones [7,8].

Fenugreek is a great testosterone booster and is an ingredient I see in many T-boosters. Our testing team experienced improvements in sexual performance, energy levels, and overall mood.

Magnesium (70 mg)

You probably know that this is important for muscle contraction and relaxation during heavy and intense training periods [9].

The makers claim it’s added for the ability to increase testosterone levels.

Within the first few days of taking it for this TestoFuel review, l noticed some positive changes in terms of muscle recovery, which may have helped increase my strength during intense workout sessions.

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Vitamin K2 (18 mcg)

You probably won’t hear much fanfare about vitamin K2 due to its subtle effects. However, it plays a role in overall testosterone release, essential for TestoFuel's impact on muscle mass growth.

It may also lower triglyceride levels with vitamin D, resulting in better and more efficient muscle building and growth [10].

Check our recommended vitamin K2 and vitamin D3 supplements.

Maca Root Extract (180 mg)

Some of you might be familiar with this herbal extract under the name Peruvian Ginseng, and it has a similar effect to Asian Ginseng mentioned above.

This is mainly due to the fact that the active compounds of maca are chemically very similar. According to a study published in the National Library of Medicine, men who were given 300 mg of maca root powder daily for three months saw significant improvements in their sex drive and erectile function [11].

My personal experience with this ingredient in other supplements is very positive. And our testing team found that it seems to have helped them boost free T-levels.

Based on my dietitian’s feedback, the dosage also seems to be good as it’s in range of what she generally recommends for her clients.

Boron (8 mg)

This is a trace mineral that many people haven’t heard of, and when it comes to testosterone, it seems to have a unique benefit. It’s not directly tied to boosting testosterone production but instead blocks other processes.

Another study found that boron supplementation can preserve a decrease in testosterone induced by a boron-deficient diet in postmenopausal women [12].

Some testosterone is converted into estrogen through natural processes. In some men, those processes may accelerate with age.

What boron may help with is suppressing those processes to ensure that any new testosterone release doesn't suddenly disappear again.

8 Benefits From Consuming TestoFuel

Benefits image

We’ve clarified the natural ingredients, so it’s now time to look at what all this extra testosterone will do for you from an athletic point of view.

These are the main benefits claimed by the makers, and I conducted a few experiments and interviewed people at my gym to see if I could confirm them [13].

1. No Testosterone, No Muscle Growth

Many athletes focus solely on muscle-building supplements to increase growth hormone production. But when it comes to muscle building and muscle mass, the two work side by side.

I often ask clients who struggle to trigger any significant muscle growth to have their free testosterone levels checked. If they haven't been lying about their diet, then 9 times out of 10, this is one of the reasons they are struggling with low testosterone levels.

Many of my clients who tried TestoFuel for the first time saw visible muscle gains on their chest and arms within just a few weeks of using the product.

2. Feel More Energized

Testofuel Product Image

Muscle building is a direct effect of healthy testosterone levels. But it also results from the extra energy.

Increased strength and endurance are certainly known effects of testosterone; otherwise, some athletes wouldn’t be resorting to illegal drugs that aim to achieve the same.

After months of reading reviews and comments online, many users comment on the energy and power boost within a few minutes after taking TestoFuel. I had the same experience during the time I used it.

3. Speed Up Recovery Times

While amino acids are vital, your body needs some extra signals to maximize muscle repair, and a healthy dose of testosterone on a high-intensity day will go a long way.

Most of my clients complain about DOMS lasting for days after an intense session. And this is one of the areas TestoFuel helps a lot. After a few weeks of using TestoFuel, they noticed that their recovery times were cut short because they have more testosterone levels, allowing them to train every day.

4. Improved Motivation

People often think that a high testosterone level makes men aggressive.

And while in very large doses, that can be the case, a proper balance won't make you aggressive.

Drawing from our personal experience, muscle gains, and body fat loss will happen much more efficiently when you're more energetic and motivated during workouts.

5. Increased Libido

If you do decide to try out TestoFuel, you can look forward to some increased libido. After using the product, many of our team members reported a more exciting and enjoyable sex life.

Sexual excitement is caused in part by a rise in testosterone, though other factors contribute. Testosterone levels rise and fall throughout the day. Some men notice they are more excitable when testosterone is high, which is usually in the mornings.

- Alan Carter, Clinical Pharmacist

6. Increased Metabolism

When T-levels drop, your body’s ability to regulate your metabolism decreases.

Taking TestoFuel will help increase your testosterone levels and boost your metabolism, keeping fat at bay and improving your body composition.

7. Improved Bone Density

During our testing phase, we had one of our clients do a DEXA scan before taking TestoFuel and then again after three months. The reason we chose him is that he had some bone density issues before.

The results from these tests showed a significant improvement in bone density that seems to have continued to improve in the months since then.

He still takes it now and has found it to be one of the best supplements he has for improving multiple issues related to general health and muscle mass.

8. The Psychological and Cognitive Benefits

Testosterone is known to influence neurotransmitters that contribute to feelings of well-being and happiness. Users of TestoFuel may experience an uplifted mood, reduced feelings of depression, and a general sense of well-being.

This mood enhancement was particularly beneficial for my clients dealing with the mental fatigue and stress associated with intense physical training and the natural aging process.

Furthermore, testosterone plays a vital role in cognitive health. Optimal testosterone levels are linked to improved memory, sharper focus, and better problem-solving abilities.

My clients who used TestoFuel experienced enhanced mental clarity, and an increased ability to concentrate on tasks. This cognitive boost was a game-changer not only in the gym but also in professional and personal life, where mental agility and focus are essential.

Why Testosterone is Important

One of the main issues that men encounter when it comes to T-levels is that from about age 30, natural testosterone production slows down.

It seems to be a completely natural thing, but the problem is that men are living longer than ever before.

And the longer you live with low testosterone, the more certain body functions could also slow down.

As you can see with the above benefits, there are many areas, from improved bone density to energy levels and mental health, that testosterone has a role in.

And that’s why you shouldn’t ignore it.

Testofuel Pros and Cons

  • Increases energy and stamina
  • Rich in ingredients such as D-aspartic acid, vitamin D, and zinc
  • It helps stimulate the formulation of HGH
  • It also contains the anti-inflammatory fenugreek
  • Only available on its website
  • It contains oyster which is an allergen

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Any Side Effects?

A person with stomachache

No, TestoFuel doesn’t have side effects as long as you don’t have any allergies or intolerances to the ingredients listed above.

One of the most important ones to remember is the oyster extract. If you have a problem with shellfish, this is probably one product to avoid any allergic reactions or side effects.

However, after going through hundreds of TestoFuel reviews, I could only find isolated references to some stomach upset. Usually, those were down to people taking the total daily dose in one go without food [14].

So, overall, there are minimal TestoFuel side effects that you would encounter. It's possible because TestoFuel is a natural testosterone booster.

And I was right to believe that because my clients and I haven’t experienced any nasty side effects during months of using the product.

Other T-boosters Reviews:

How to Take TestoFuel?

testofuel 2

Take 4 capsules of TestoFuel per day to gain more testosterone levels, spread out over your meals and snacks, as the manufacturer recommends [15].

The capsules are easy to swallow, but based on my firsthand experience, I suggest taking them with food, especially when you’re just starting.

It’s more likely that you will have stomach upset if you take them after fasting.

Customer Reviews

I found a mix of comments on Testofuel in online forums, but here are a few I found that were consistent with its claimed benefits.

Since he started taking it a month ago, he felt a significant improvement in his mental focus. The product also didn’t upset his stomach or cause other side effects. - Mike S. from California

Within four days of taking Testofuel, this customer felt more energetic and awake. His sleep also seemed to be less disrupted. - Matt H. from Minnesota 

He has felt more energetic, focused, and motivated since taking Testofuel. His stamina in the bedroom also improved. - Dax P. from Illinoi

How Long Does It Take For TestoFuel To Work?

According to the company, it takes 6 to 8 weeks for TestoFuel to work and get the best results.

However, I did find online reviews that mentioned they started noticing their TestoFuel bodybuilding results by the time they got to the end of the first bottle, which is about a month.

In my experience, it took more than a month to see some changes in how my abs, arms, and chest look.

Your diet and activity levels influence testosterone production, so I always ask my clients to keep a detailed journal [16].

Where to Buy TestoFuel?

hand view of a person using card and pc

Buy TestoFuel on the official website. It's not available in stores, so if you see it on a shelf somewhere, I would be suspicious of whether it's real.

It's occasionally available on some reseller pages, but I would caution there as well.

After all, our investigation revealed some reports of outlets selling fake or expired products on the internet.

Before you buy from these platforms, look at a third party review website to check for their legitimacy.

How Much Does TestoFuel Cost?

TestoFuel costs $59 for a 1-month supply bottle of 120 capsules.

If you buy two bottles, they’ll throw in an extra bottle for $118, and if you buy 3 bottles, you’ll get two different bottles, all for only $177.

It’s competitively priced among other leading T-boosters in the market. And it gets even better.

Their latest offering is called the Ultimate 360 bundle, where you get 12 boxes of Testofuel for only $495.60.


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Shipping and Returns

Testofuel can be shipped to most countries except the ones on this list.

Unlike other companies, they do not offer a monthly subscription for their products, so you won't be charged anything unless you order on their website.

Five months in, I decided to buy the free-shipping Ultimate 360 bundle.  I was surprised by the notification that it would arrive the following day.

The manufacturers also claim that if you place your order before 2 PM EST or 1 PM GMT, it will be sent out the same day, depending on your location.

You can also return any unwanted items but make sure it's unopened to receive a refund.

About The Company and Brand Reputation

The company behind TestoFuel is called Roar Ambition Ltd., and it has a long history of creating high-quality sports and nutrition supplements.

What I personally like and have experienced with this company is that it’s not all about viral advertising and celebrity endorsements.

Instead, the aim is to come up with a great formula of proven ingredients and package it in a  convenient and affordable way.

And when you read through online reviews in forums and social media groups, you’ll find a lot of comments about the great customer service as well.

While I haven’t had a problem with any orders, I did contact them with a question about orders in general, and I got a reply in less than an hour.

Testosterone Booster Alternatives

We tested three other popular testosterone boosters, so read on to see how Testofuel compares.


Testogen is a popular testosterone booster that has gained traction in gyms, with some users reporting a noticeable difference in their overall appearance and energy levels. Other user reviews give a mediocre rating stating Testogen is ineffective.

This mixed bag of reviews rang true in our test group, as well. Many felt they had visibly improved physiques and higher testosterone levels, while others felt nothing.

Supplements aren’t one-size-fits-all, so what works for some may not work for others. For most, however, Testogen offers a good amount of D-aspartic acid, fenugreek extract, and D3 that should supplement existing testosterone and reduce its conversion to estrogen.

Like Testofuel, Testogen contains zinc, magnesium, and boron, but Testogen includes Bioprene®, a pepper abstract that can help the bioavailability of the ingredients.

Ordering directly off the Testogen website will get you free shipping and discounts for bulk orders like purchasing a 3-month supply for an additional two months free.


Aphro-D is an herbal testosterone booster Dr. Farhan designed to support men’s bodies in producing healthy testosterone levels and improving mental well-being.

Some of the guys in our test group experiencing age-related testosterone changes impacting confidence, sexual function, muscle mass, and mood noted positive changes within a few weeks of taking Aphro-D.

The label contains a short list of ingredients, just four: Tongkat ali, Schisandra berry, pearl powder, and He Shou Wu, a unique formula to boost testosterone, improve stamina, and support an overall sense of well-being.

Prime Male

Prime Male is another natural, vegan-friendly formula designed to boost testosterone and fight the effects of aging. Roar Ambition is confident in the ability of each ingredient within its formula, but if you aren’t satisfied, you can request a refund within 30 days for any unused/unopened product.

D-aspartic acid is the headliner in both formulas though Prime Male contains less at 1600 mg versus Testofuel’s 2300 mg.

After a few weeks of use, most users in our test group yielded positive results, particularly in energy levels. Some noted some mild digestive issues early on that cleared after a few days.



Is Testofuel Safe to Take?

Yes, TestoFuel is safe to take as long as you don’t have any allergies to the ingredients. The only instances where I saw some adverse reactions were down to taking the total dose in one go, so make sure you stick with the recommended intake.

What Is Average Testosterone Level by Age?

The average testosterone level by age is 640 ng/dL for the 25 to 45 age range, 560 ng/dL for the 45 to 65 age range, and will gradually decrease to below 400 ng/dL for men over 80. These averages are influenced by diet and exercise, and other medical conditions.

Are Testosterone Boosters Illegal?

No, products that boost testosterone levels are not Illegal, as long as they contain natural ingredients and no medically controlled substances. Most people think of the steroids that professional athletes commonly use, but natural testosterone boosters are entirely legal.

Is Testofuel Approved by the FDA?

TestoFuel is not approved by the FDA, as the agency doesn’t approve testosterone supplements and other similar products. However, it's as good as FDA-approved because it’s made in FDA and cGMP-certified facilities in the US, includes clinically-backed doses, uses only extracts and natural ingredients, and fully discloses its ingredient profile.

Is TestoFuel Vegan?

No, TestoFuel isn’t vegan. The product contains oyster extract and uses gelatin in its capsules, which are non-vegan.

Is Testofuel Safe for Women?

Yes, Testofuel is safe for women. Although the supplement is primarily designed to boost testosterone levels for men, women can also benefit from it. With optimized T-levels, women can enjoy the following: better workouts, more lean muscle, increased fat burning, weight loss, improved energy, regulated menstrual cycles, and increased sex drive.

Our Verdict on TestoFuel

After months of personal use and observing its effects on my clients, I confidently endorse TestoFuel.

This natural testosterone booster not only enhanced my workout performance but also noticeably improved my muscle definition, particularly in my arms and chest.

What sets Testofuel apart for me is its blend of natural ingredients, which effectively boosts testosterone without any adverse effects.



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  • Increases energy and stamina
  • Rich in ingredients such as D-aspartic acid, vitamin D and zinc
  • Helps stimulate the formulation of HGH
  • Also contains the anti-inflammatory fenugreek
  • Get the BEST PRICE until the end of July
  • Contains oyster which is an allergen
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About The Author

James Cunningham, BSc, CPT
Staff Writer & Senior Coach
James Cunningham, BSc, CPT holds a BSc degree in Sport & Exercise Science from University of Hertfordshire. He's a Health & Performance Coach from London that brings a unique blend of academic knowledge of health supplements and practical exercise experience to the table for his readers.
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Dr. Kristy June Dayanan, BS, MD is an author with a BS degree from University of the Philippines and an MD from University of Perpetual Help System. Her ability to simplify medical science complexities and dietary supplement jargon for the average reader makes her a valued medical fact checker and reviewer.
Learn more about our editorial policy
Dr. Harshi Dhingra, MBBS, MD is a published peer-reviewed author and renowned physician from India with over a decade of experience. With her MBBS from Bharati Vidyapeeth and an MD from Rajiv Gandhi University, she actively ensures the accuracy of online dietary supplement and medical information by reviewing and fact-checking health publications.
Learn more about our editorial policy

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3 thoughts on “TestoFuel Review (2024) Potent Testosterone Booster?

  1. Hi. I’ve bought a bottle. Just wanted to know. I struggle swallowing pills. Can I pour the contents out and mix them with a liquid or honey

  2. It does work, but be sure to take it with food to get the best results.

  3. Interesting to hear your experience with TestoFuel. Glad to see it positively impacted your body and health after two months.

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