Home Fitness TestoPrime vs. TestoFuel (I Tried Both): Who Wins In 2024?
TestoPrime vs. TestoFuel (I Tried Both): Who Wins In 2024?

TestoPrime vs. TestoFuel (I Tried Both): Who Wins In 2024?


There are a few excellent natural testosterone boosters with similar formulations and comparable prices that have been effective for me, and TestoPrime and TestoFuel are among them. Both have delivered positive results and given me more energy and better gym results.

The formulations are slightly different, and the best advice I can give is to test which is more effective for your body specifically. I personally enjoyed both and recommend them.

Third-Party TestingDraw
Clinical ResearchDraw
Side EffectsDraw
User ReviewsTestoPrime


What Is TestoPrime?

TestoPrime Review

TestoPrime is a natural testosterone-boosting supplement that helps men maintain optimum testosterone levels. It focuses on achieving this goal through the use of clinically proven components.

The company that developed TestoPrime believes it can help enhance different elements of male health.

This includes increased energy, higher physical performance, and better attitudes. The objective is to provide a natural and effective technique to boost testosterone without using synthetic hormones.

You can read my in-depth breakdown in my TestoPrime review.

What is TestoFuel

TestoFuel is for men who need to boost their natural testosterone levels. It promotes muscle growth, increases vitality, and improves mood.

TestoFuel contains vitamins, minerals, and herbs that stimulate the body’s natural testosterone production. It appeals to health-conscious individuals who choose supplements free of synthetic chemicals.

TestoFuel is a practical answer for everyone who is weary of feeling sluggish or hitting a plateau throughout their activities. By increasing natural testosterone production, the product can help with mood, metabolism, and muscular recovery.

You can read my in-depth breakdown in my TestoFuel review.

TestoPrime vs. TestoFuel Main Differences


Both supplements are designed to improve the body’s natural testosterone production. Testosterone is the most important hormone for men since it influences their mood, mentality, energy levels, and sexual function.

High testosterone levels ensure muscle growth and strength, a strong libido, proper sexual function, stable mood and attention, and energy. So, without exaggeration, increasing your testosterone benefits every element of your life.

Modern medications and steroids can quickly increase testosterone, but they always carry a high risk of unwanted consequences, some of which are irreversible.

TestoPrime and TestoFuel are natural treatments that promise to stimulate testosterone production without the risks associated with synthetic testosterone boosters.

TestoPrime ships free worldwide, which is a significant benefit, while TestoFuel delivery is free for residents of the USA and UK.

TestoPrime also stands out with a lifetime money-back guarantee, which I’ve seen in very few supplements and clearly indicates the brand’s supreme confidence in the product.


TestoPrime and TestoFuel have transparent ingredient lists that don’t hide anything, and we know each ingredient’s dosage.

 Many of the components overlap, and the two products are very similar. Let’s examine each component and its benefits.

D-aspartic acid is a natural amino acid the body requires to produce testosterone. Supplementing with it has several benefits, including better sperm quality, sperm production, sexual health, muscle growth, physical performance, and energy levels, as well as the capacity to treat erectile dysfunction [1].

The DAA doses also match, and both products have an efficacious 2000 mg dosage.

Another common component is Panax Ginseng extract, which is frequently added in testosterone boosters because metabolic research shows it can raise testosterone levels, male sexual functioning, and libido [2].

Testogen has 50 mg, while Tesotfuel has 100 mg of 10:1 extract.

Fenugreek is a natural herb rich in furostanolic saponins. Studies have demonstrated positive effects in terms of testosterone production and libido. After 12 weeks of consumption, research demonstrated enhanced testosterone, mood, vitality, and libido [3][4].

Both products also contain vitamin D, which does not directly stimulate testosterone production, but its deficiency has been known to cause reduced testosterone [5]. TestoFuel has 100 mcg, while TestoPrime contains 26 mcg.

Zinc is a crucial element for testosterone production and is found in the two supplements, but TestoPrime has the higher doses with 40 mg, while TestoFuel has only 10 mg.

Maca root extract and oyster extract are two components found only in TestoFuel worth mentioning.

Maca can improve testosterone production and sexual health, boost drive and function, promote emotional balance, and regulate estrogen and testosterone levels [6].

Oyster extract promotes testosterone production and avoids testosterone deficiency [7].

TestoFuel also has boron and magnesium, which are vital minerals for men.

TestoPrime stands out with the inclusion of garlic extract and Ashwagandha. Garlic has long been recognized as a natural testosterone booster, and studies on rats show multiple benefits, such as increased testicular testosterone, increased serum testosterone levels, and improved hormone production [8][9].

Ashwagandha is an adaptogen that aids the body in managing stress, which can have a harmful impact on testosterone levels.

TestoPrime contains Ashwagandha, which may help lower cortisol (the stress hormone) and maintain healthy testosterone synthesis [10].


TestoPrime and TestoFuel are great products, and both have helped me tremendously in various aspects of my health. I usually test products for one month before a review, but I was so happy with how I felt on Testprime that I extended my test to a few months.

Throughout the entire time, I experienced increased energy levels, more stamina and strength, a better mood, and a lot more sexual desire, all of which positively impacted my personal life. 

My trial of TestoFuel was similar. The first week was not something to write home about, but once a couple of weeks passed and the product kicked in, my energy levels went through the roof, and my sense of well-being and confidence was better than it had been in years.

I’ve even managed to increase my bench press weights by roughly 50 pounds, which is an insane gain for someone with so many years of experience.

Clinical Research

All of the substances in these two testosterone boosters have been scientifically verified, and their benefits are extensively documented. The suggested dosages are likewise set, and both products generally follow them.

Side Effects

The natural substances in the two products are generally well tolerated, with most people experiencing no negative effects. However, you may experience digestive difficulties or allergies if you are intolerant to some substances.

D-aspartic acid, ginseng, and fenugreek extract are components known to produce minor side effects, and they are contained in both products, so my problems while taking Testogen could have been caused or exacerbated by something else.

Furthermore, substances like Ashwagandha and fenugreek can interact with certain medications like blood thinners and thyroid medications, so if you take these, consult a physician before starting a testosterone booster.

User Reviews

TestoFuel’s websites provide lengthy customer reviews backed by before-and-after photos demonstrating outstanding results.

I like this approach because, with the images, each review feels genuine, and you can spend a lot of time reading about the positive changes so many men have experienced in their lives.

However, you can only see positive reviews, which is not exactly the most realistic product overview, regardless of how good it is.  

TestoPrime’s website shows only a few handpicked reviews. Searching on Trustpilot shows a lot more reviews, most of which are favorable, but a few customers complain they haven’t gotten any results and then face problems taking advantage of the money-back guarantee, so keep this in mind.


Testosterone Booster1 Bottle2 / 3 Bottles4 / 5 Bottles
TestoPrime$64.99 / $2.16 per serving$129.99 / $1.44 per serving$194.99 / $1.29 per serving
TestoFuel$59.99 / $2.00 per serving$119.98 ($2.00 per serving)$179.96 / $1.50 per serving

My Experience With TestoPrime And TestoFuel

As I shared in this comparison’s effectiveness section, I had a highly positive experience with TestoPrime and TestoFuel. They effectively delivered on their promise to enhance my energy, mood, libido, and gym performance.

As someone in my thirties who is in good physical condition and trains a lot, I do not typically experience low testosterone levels. But I cannot pretend I have the same energy levels as in my 20s, and when a testosterone booster works, the effects are noticeable and most welcome.

I also experienced no negative side effects from either product, which is always a big plus.

Should You Choose TestoPrime Or TestoFuel?

There are a few testosterone boosters I’ve used and loved, and TestoPrime and TestoFuel fall into that category. With the same key components and almost equal prices, choosing between the two is mostly a matter of personal preference.

There are some differences in the formulations, and each has ingredients with higher doses than the other. This means the best solution is to try both for 2 or 3 months and figure out which unique mix works better for your physiology.




An effective and potent testosterone booster for optimizing hormonal function.


Runner Up

TestoFuel Testosterone Booster Supplement


A natural testosterone booster with science-backed ingredients to squash vitamin and mineral deficiencies related to low testosterone.



  1. Roshanzamir, F., & Safavi, S. M. (2017). The putative effects of D-Aspartic acid on blood testosterone levels: A systematic review. International journal of reproductive biomedicine15(1), 1.
  2. Smith, S. J., Lopresti, A. L., Teo, S. Y., & Fairchild, T. J. (2021). Examining the effects of herbs on testosterone concentrations in men: A systematic review. Advances in nutrition12(3), 744-765.
  3. Maheshwari, A., Verma, N., Swaroop, A., Bagchi, M., Preuss, H. G., Tiwari, K., & Bagchi, D. (2017). Efficacy of FurosapTM, a novel Trigonella foenum-graecum seed extract, in enhancing testosterone level and improving sperm profile in male volunteers. International journal of medical sciences, 14(1), 58.
  4. Rao, A., Steels, E., Inder, W. J., Abraham, S., & Vitetta, L. (2016). Testofen, a specialised Trigonella foenum-graecum seed extract reduces age-related symptoms of androgen decrease, increases testosterone levels and improves sexual function in healthy aging males in a double-blind randomised clinical study. The Aging Male, 19(2), 134-142.
  5. Roshanzamir, F., & Safavi, S. M. (2017). The putative effects of D-Aspartic acid on blood testosterone levels: A systematic review. International journal of reproductive biomedicine15(1), 1.
  6. Ohta, Y., Yoshida, K., Kamiya, S., Kawate, N., Takahashi, M., Inaba, T., … & Tamada, H. (2016). Feeding hydroalcoholic extract powder of Lepidium meyenii (maca) increases serum testosterone concentration and enhances steroidogenic ability of Leydig cells in male rats. Andrologia48(3), 347-354.
  7. Astuti, P., Airin, C. M., Sarmin, S., Nururrozi, A., & Harimurti, S. (2019). Effect of shell as natural testosterone boosters in Sprague Dawley rats. Veterinary world12(10), 1677.
  8. Bhattacharya, S. K., Kumar, A., & Ghosal, S. (1995). Effects of glycowithanolides from Withania somnifera on an animal model of Alzheimer’s disease and perturbed central cholinergic markers of cognition in rats. Phytotherapy research, 9(2), 110-113.
  9. Raut, A. A., Rege, N. N., Tadvi, F. M., Solanki, P. V., Kene, K. R., Shirolkar, S. G., … & Vaidya, A. B. (2012). Exploratory study to evaluate tolerability, safety, and activity of Ashwagandha (Withania somnifera) in healthy volunteers. Journal of Ayurveda and integrative medicine, 3(3), 111.
  10. Naidu, P. S., Singh, A., & Kulkarni, S. K. (2006). Effect of Withania somnifera root extract on reserpine?induced orofacial dyskinesia and cognitive dysfunction. Phytotherapy Research: An International Journal Devoted to Pharmacological and Toxicological Evaluation of Natural Product Derivatives, 20(2), 140-146.

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James de Lacey James is a professional strength & conditioning coach that works with professional and international level teams and athletes. He owns Sweet Science of Fighting, is a published scientific researcher and has completed his Masters in Sport & Exercise Science. He's combined my knowledge of research and experience to bring you the most practical bites to be applied to your combat training.