Mars Men Review
Written by: Stuart Roberts. Last updated: January 28th 2026
Normalised testosterone levels – measuring in at somewhere in the region of 12-35 nmol/L – are essential for male health. They will mean improved metabolic health, improved body composition, higher energy levels, sexual health, and psychological wellbeing [1-4]. In an athletic context, low testosterone will also mean slower recovery, reduced power output, muscle loss, persistent fatigue, and stubborn body fat [1,2,5].
Unfortunately, it’s common enough to see testosterone levels decline with age – broadly speaking, year on year after the age of about 30. It’s often accelerated by (and in turn will accelerate) poor sleep, chronic stress, inactivity, obesity, and inadequate micronutrient intake [1-4,6,7].
Don’t despair, though. There is a lot you can do to halt this decline and bolster your natural testosterone output. Lifestyle interventions like resistance training, sufficient sleep, adequate dietary protein and fats, and stress management can go a long way towards naturally amplifying your natural testosterone output. Well-formulated natural testosterone boosters can also help to support hormonal health, especially at the margins [23,24].
This is where we come to Mars Men, a natural testosterone booster that claims to work wonders. It advertises its high-dose herbal extracts, solid mineral support, and full clinical backing for its formula. However, while this all looks decent at first glance, a closer look muddies the water a bit. The illusion of competence the manufacturers try to paint falters when you see the note the number of poor online reviews from dissatisfied customers, reporting weak results and inconsistent effects; it fades, too, when you ignore the hype and actually look into the science backing up Mars Men’s formula [23,25].
A question looms, then. Does Mars Men actually deliver meaningful testosterone support, and how does it compare to market leading supplements like Testogen?
Mars Men
Overall Rating
Overall Verdict
Testogen
Overall Rating
Quick Decision Guide: Mars Men vs Our Top-Rated Testosterone Booster (Testogen)
Criteria | Mars Men | Testogen |
|---|---|---|
Overall Rating | 54%
Fill Counter
| 90%
Fill Counter
|
Main Benefits | Mild libido boost, basic support | Supports increases in T-levels. Notable increase in energy, increased drive, libido, supports muscle growth. |
Scientific Backing | Overall limited, but good for some ingredients/dosages | Strong |
Formula Complexity | Simple, key ingredients underdosed | High, scientifically proven approach |
Brand Reputation Concerns | Some concerns over marketing claims and practices | None, praised for efficacy |
Commitment Time For Results | Weeks to months, modest results | Weeks, consistent use recommended for best results |
User Reviews | Mixed, high volume of negative reviews | Predominantly positive reviews |
Formula Complexity | Simple, some ingredients underdosed, many test boosting ingredients omitted | Clear information on dosages (transparent label information) |
Potential Side Effects | Low risk due to overall low dosages | None, well-tolerated |
Customer Support & Returns Policy | Standard return options available | Excellent, with 60 day money-back guarantee |
Product Availability | Online only | Available through the official site only |
Additional Benefits | None | Clean ingredient profile |
Cost | Mid-range | Mid-range |
Serving Size | 5 capsules | 4 capsules |
Servings Per Container | 30 | 30 |
Price |
What Is Mars Men?
At first glance, Mars Men looks like any other high-end, potent testosterone booster – aimed at men looking to boost their natural testosterone output, bolster their libido a little, support fertility, and enhance muscle growth, among other benefits. Its branding leans heavily into this. They are, if nothing else, a pretty shouty bunch, the people who make Mars Men. They make sure to underline the high doses on offer (a fair point) whilst also making some pretty bold claims, especially around the likes of Tongkat Ali, shilajit, and fenugreek (far more questionable). You see these herbs a fair amount when you look into the testosterone and male vitality support space – they are popular and, honestly, pretty well regarded.
Tongkat Ali (1,000 mg) and shilajit (400 mg) have shown some potential in supporting testosterone levels, libido, and male vitality. Then there is a dash of vitamin support, made up of Vitamin D (4,000 IU), alongside vitamins K1 and K2 (100 mcg). These are all important for hormone regulation, overall metabolic function, and even bone health. These micronutrients are backed up by the minerals zinc (30 mg) and boron (4 mg), which have both been linked to testosterone metabolism (though only really in the presence of a pre-existing deficiency).
The picture is far from complete, however, because next up are couple of slightly odder inclusions. You get 675 mg of taurine, which is a little strange. It’s been shown to potentially support cellular health and circulation, though hasn’t really been linked to testosterone in any meaningful way. Fenugreek (also 675 mg) shows up in plenty of testosterone boosters for its ability to support libido, strength, and perceived energy levels. However, given you only get eight ingredients in Mars Men, it’s odd to see two of them being so underwhelming – taurine has no place here, and fenugreek is at best auxiliary and is only usually included in much more comprehensive ingredients lists. It’s nothing I would want to see a formula built around.
Several of these ingredients aren’t too daft. They may in theory support testosterone production or male health. However, the evidence consistently shows that ingredients like zinc and boron rarely lead to testosterone gains unless they are plugging existing deficiencies, or in the presence of specific clinical contexts. And, honestly, it’s just a weak and actually quite stingy formula [8-13,23,24].
Mars Men also has something of a reputational issue going on. Just a cursory look online will show a pattern of poor user reviews reporting minimal benefits and claiming that it’s a waste of money. This makes a fair amount of sense – plenty of lower-level testosterone boosters seem to be all about impressive labels and claims, whilst offering weak actual, real-world outcomes. Mars Men is potentially just one more underperforming, overpriced test booster [23,25].
Mars Men Claims and My Assessment
Obviously, Mars Men’s main claim is that it can help you to boost your natural testosterone output. If it can’t do this, it isn’t worth your time or money… and, unfortunately, all evidence suggests that it can’t really affect your testosterone output in anything like a meaningful way.
Ingredients like zinc and vitamin D are highly important for endocrine health. However, they will only boost testosterone output when correcting a pre-existing deficiency[8-11]. After a certain point, they will not be helpful – their effect plateaus [10,11]. Boron may offer modest benefits for free testosterone increases by increasing SHBG, but effects can be small and variable [21,22].
Tongkat ali and shilajit show some promise, especially in potentially helping stressed, infertile, or aging populations. However, results become far more muted (and less consistent) in healthy, active men [16-19]. Fenugreek is an interesting one: it may boost libido and improve DHT metabolism. This is great as a side concern. However, any changes to actual testosterone levels will typically be modest at best [20,24].
Mars Men omits key ingredients like D-aspartic acid, one of the better non-hormonal compounds for increasing luteinising hormone and testosterone synthesis [14,15], and magnesium, which plays a role in androgen status and metabolic regulation [12,13].
All told, then, there really isn’t that much in Mars Men’s formulation to inspire confidence as a testosterone booster – it’s just all a little weak, all a little flat.
However, testosterone boosters typically offer added benefits, benefits linked to testosterone, aimed at overcoming some of the side effects of low testosterone – improvements to libido, athletic performance, energy levels, stress relief, and so on.
How does Mars Men do here?
Well, again, not so good, though it is at least a more mixed bag.
Taurine isn’t a bad choice if you’re looking at improved athleticism. It may help with hydration and oxidative stress. However, it’s undercut by the fact that, it has no impact on testosterone levels [24]; any perceived benefits are indirect, with little to do with anabolic or hormonal change [5,23].
Mars Men’s most plausible claim comes in its ability to improve libido and, potentially, fertility. This is where Tongkat Ali, fenugreek, and shilajit all shine: they have all been linked in some way with libido and fertility markers. Effects are modest, however, pretty inconsistent, and highly individual [16–20,24].
And this is it. You get eight ingredients, which is very stingy, and most of these will give you scant benefit. None of them, realistically, will do much, if anything, for your testosterone production – a bit of a cop out for a testosterone booster.
All told, then, it’s not much of a mystery why there is such widespread dissatisfaction with Mars Men. It’s poorly thought out, has a very narrow scope, and largely fails to hit the target even within that limited purview.
In a market replete with some really good options – including the best performing t-booster in our testing, Testogen – there really is no reason to opt for what Mars Men currently offers.
My Experience with Mars Men
Of course, my research into the formula is simply theory (though pretty robust theory, it should be noted). I can pull a supplement apart all day long, but maybe there’s more to it than what you see on the bottle – maybe that stingy ingredients list is actually focused and tight.
We live in hope. However, those hopes are pretty soon dashed when you begin using Mars Men. Or, at least, they were for me. It didn’t do much of anything, under-delivering in pretty much every area you might care to look at.
There was perhaps a slight, short lived increase in perceived libido early in, over the first couple of weeks. I’m not sure, but it may have been there, and it’s easily attributed more to expectancy and novelty effects rather than any objective change. There were no meaningful improvements in energy, recovery, mood, training output, or body composition, beyond what I would usually expect given my lifestyle and medical history.
In a similar vein, my strength levels remained pretty much the same, with only slight increases commensurate with the training plan and diet I was on at the time; recovery, mood, training output, and body composition all remained pretty much static; day-to-day motivation was unchanged, and post-training fatigue followed the same patterns as they always have.
Sleep quality is often a good early indicator of hormonal or nervous-system shifts – you can use it almost analogously. Here, too, nothing much changed – I didn’t see any improvements.
All this to say, basically, that Mars Men did next to nothing. It didn’t help me in any tangible way, had no results on my actual testosterone output (as measured with regular blood tests), and, in essence, represented both a huge opportunity cost (as I could have been taking something better) and a waste of money.
Switching to Testogen
The contrast between Mars Men and Testogen is clear – it’s not even close.
This isn’t to say that Testogen provides miraculous benefits. It doesn’t; no natural testosterone boosters do, even the top tier ones. But the results are there, and they are important, which is far more than I can say about Mars Men.
Rather than leaning heavily on loosely supported herbal claims and suchlike, Testogen has a smart formula in large part aimed at directly targeting testosterone physiology. For instance, it uses D-aspartic acid to support luteinising hormone signalling for true testosterone support. Then there is the micronutrient coverage, which is excellent – vitamin D3, zinc, magnesium, and boron, all of them vital for testosterone synthesis, androgen receptor function, and free testosterone regulation [8–15,30,31]. Of course, they only really work when there are preexisting deficiencies, but such deficiencies are common and plugging them is the first priority in supplementing for improved testosterone output.
This translates into clear results (if, as always, marginal). I take Testogen a lot – it’s my go-to booster when I’m not reviewing other products. You’ll see the difference within a couple of weeks, with steadier all-day energy and sharper cognition, alongside improved training recovery. There is no brief spike followed by decline, but rather a gradual, sustained improvement that you often won’t notice until you stop taking it – then you’ll see how well it has cleared your head and kept you going.
This isn’t just subjective, either. It tracks with the established mechanistic and clinical evidence we expect to see, rather than just going along with the subjective hype in which loud-mouthed products like Mars Men specialize [14,15,23,24].
Mars Men Ingredient Review – Scientific Assessment
Vitamin D (as cholecalciferol) (100mcg), Vitamin K (as phytonadione) (100mcg), Zinc (as zinc citrate) (30mg), Tongkat Ali (Eurycoma longifolia root extract) (1,000mg), Fenugreek (Trigonella foenum-graecum seed extract) (1,000mg), L-Taurine (675mg), Shilajit (Asphaltum s. mineral extract) (400mg), Boron (as boron citrate) (4mg), Vitamin K2 (as menaquinone-7) (100mcg), Dicalcium Phosphate (amount not listed)
Other ingredients: Cellulose (capsule), Vegetable oil, Microcrystalline cellulose powder, Bamboo extract (70% silica).
As above, there isn’t much by way of scientific support backing up Mars Men’s claims, at least as far as testosterone boosting goes. Its formula leans heavily on herbal and micronutrient ingredients; Tongkat Ali is included at a high dose (1,000 mg). It may look impressive on paper, but the evidence remains population-specific and inconsistent. Benefits are only really confined to infertile, or clinically low-testosterone populations, with little reliable benefit shown in healthy, resistance-trained men [16-18]. And if you’re clinically low in testosterone, realistically you should be taking prescribed exogenous testosterone.
There is a little more supportive data for Shilajit, particularly with regards male fertility and modest testosterone increases. However, these findings come from smaller, tightly controlled studies, which don’t reliably translate to broader performance or physique outcomes [19].
Vitamin D is a sensible inclusion. As with so many similar ingredients, it only really works where there’s a deficiency – if you are low in vitamin D, you’ll almost invariably suffer with low testosterone, whilst fixing this deficiency can work wonders for your hormonal health. It won’t do much for those with decent baseline levels [10,11].
The same applies for zinc. It’s critical for androgen metabolism, and low levels can be ruinous to your health; supplement to normal levels and you will be good. Going any higher will have little to no effect. [8,9].
Fenugreek is good for libido and vitality. Subjective effects generally outpace objective hormonal changes [20,24]. Boron, meanwhile, can increase free testosterone by reducing SHBG. Again, however, we are looking at modest [21,22]. Taurine offers us a few benefits, including the likes of cellular hydration, endurance, and cardiovascular support. However, it does nothing for testosterone support [24].
Finally, vitamins K1 and K2 are good for improving bone health and calcium regulation, especially alongside vitamin D. However, they aren’t the most pressing choice in such a short list of ingredients [24].
That’s the trend, really, with Mars Men. No single ingredient is bad, but there aren’t many of them. And, with such a short list, you would think they would reserve spots for big hitters – ingredients actually likely to support testosterone production in healthy men. But they don’t. It’s a who’s who of support ingredients without anything central to really work with.
Mars Men - Pros and Cons
Cons
Main Side Effects and Issues
Mars Men
Overall Rating
Overall Verdict
Testogen
Overall Rating
Overall Recommendation
Mars Men is primarily a libido focussed herbal blend, not a genuine testosterone booster. If you want something that will really do the job, with evidence-aligned ingredients, proper dosing, and a complete hormonal framework, you will want to go with a premium testosterone booster like Testogen.
I cannot in good conscience recommend Mars Men. If you need some proper testosterone support, are healthy, active, and have a good diet, you will really benefit much more from Testogen.
References
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