What Is In a Testosterone Booster – Steroids Maybe?

No artificial substances were used in the making of this post!

Open supplement bottle with capsules spilled out

Ever since the ancient Mayans, an intriguing question filled with mystery has been left unanswered: what is in a testosterone booster? We’re going to be changing history itself with this post. (seriously though, Mayans were probably using T boosters in their days, don’t you think?).

I’ll do my best to bring that sought-after information on the table so that you can pat yourself on the back after you finish reading this post and say with a loud voice “I finally KNOW what’s in those fancy supplements!”. And just a reminder, don’t forget that I’ve also written an in-depth article regarding what a testosterone booster is!

For a start, I would like to point out that our beloved boosters are natural products formulated with safe ingredients. That means zero nasty anabolic steroids and other similar banned compounds. So don’t sweat it guys, you absolutely shouldn’t worry about WADA (world anti-doping agency) knocking on your door, demanding explanations.

What’s Inside Testosterone Boosters If No Steroids Are Involved?

A big pile of question marksTestosterone boosters contain only natural and/or chemical compounds that have been approved by the FDA – there are no banned substances or anything illegal here.

In a nutshell, natural testosterone increasing supplements, for the most part, consist of the following (or a combination of them) things:

  • Plant extracts
  • Vitamins and minerals
  • Amino acids

And no, T boosting supplements don’t contain Kryptonite, moondust, preserved sweat from Arnold’s face during the infamous “get to da Choppa!” scene in Predator or a ‘best of a compilation’ of Justin Bieber’s love songs.

Basically, certain ingredients are proven to up our primary male hormone values. For example, Vitamin D is our best friend here, and the more upmarket testosterone boosters DO include this awesome vitamin in their formulations.

Which brings me to another subject…

What Are The Most Frequently Used Ingredients For Male Hormonal Support?

Here are 4 key ingredients that are part of many top-rated T-boosting supplements:

  • D-Aspartic Acid (D-AA)

    Nutricost D-Aspartic Acid Capsules (180 Capsules) (3000mg Serving)

It’s an acid (oh, really?), an alpha acid – in fact, it’s an alpha amino acid. Our bodies are producing D-AA on their own, and this is why it falls under the “nonessential” amino acids category. Also, It can be primarily found in the testes.

Don’t let words like “nonessential” discourage you though. This has to be a favorite of mine when it comes down to test boosters because It still has a major role In the synthesis of T in men.

The trick behind this acid is that It acts as a neurotransmitter which catches the signals from your pituitary gland and gives them a fast ride all the way to the Leydig cells located in your grapes which lead to the conversion of cholesterol into big old’ testosterone.

There’s a handy study done by some Italian folks, the conclusion being that D-AA did increase T levels of both pro athletes and guys with lower testosterone (1). It should also be noted that the first group used It short term for more optimal results, while the low T men were on D-Aspartic Acid for much longer.

I’ve taken quite a few supplements containing this type of amino acid, and I must say that I’m a total sucker for it! Some of the proven T boosters with clinically-backed doses of DAA are TestoFuel (also check my TestoFuel review as I did a complete 30-day cycle with it) and my current favorite – TestoGen (don’t forget about my honest and super detailed TestoGen review)

  • ZMA

    NOW Sports ZMA,90 Capsules

Another strong player with a lot of experience in the field of testosterone supporting abilities. This beauty of a supplement contains a smart combo of Magnesium, B6 vitamin and last but not least Zinc. There’s clinical support to the supposed effectiveness of ZMA regarding its anabolic properties, apart from It often is referred to as being a sleep enhancer (2).

We all know that a positive impact on our sleep Is crucial for a lot of bodily functions, which vary from repairing muscle tissue from vigorous training (if you’re into that, and you better are) to increasing GH (growth hormone) when It’s levels are at the highest point – during night time.

Also, these days It’s not too hard to experience a deficiency of two minerals mentioned in the text above – for examples, classic white bread and refined sugars can have an adverse impact on the values of Zinc and Magnesium in the organism.

That leaves little doubt as to why ZMA has been a staple in mоst guys’ T-boosting stack these days and what most manufacturers include in their formulas.

  • Vitamin D

High Potency Vitamin D3 (5000iu) enhanced with Coconut Oil for Better Absorption ~ Bone, Joint and Immune system support ~ Non-GMO & Gluten Free, 360 Mini Liquid Softgels, Made in USAWe all love the beautiful sensation of the sun elegantly touching our skin, don’t we? Argh, I’m sure that reading the last sentence completely shattered your testosterone production and all androgenic activities in your body came to a halt.

Good, this is where our dear buddy called vitamin D comes to the rescue! Excluding the jokes but exposing yourself to direct sunlight (direct, not through your double glass windows) stimulates the production of this awesome vitamin. To be more precise what proves to be most vital is the UVB (ultraviolet) concerning your body deciding to stack on some more Vit D.

Enough with general info as we move onto the good news for those of us looking at this fat-soluble vitamin as an additional weapon in our testosterone boosting arsenal. When something is backed by research, it has the edge over other not-so-proven compounds.

Some German folks found out that after prolonged use of this vitamin, men who supplemented with a specific amount (3332 UIs) every single day for a total of 365 days managed to raise their T by more than 25% than the controlled (placebo) group (3).

Also, other researchers came up to the conclusion that older fellows who take vitamin D have the advantage over their not-supplementing-with-this-vitamin counterparts when it comes down to the likeliness of falling victim to low T levels (4).

That’s more than enough proof for me. Vitamin D is a keeper in my book!

  • Fenugreek

    Pure Naturals Fenugreek Seed, 610 Mg, 180 Count

Don’t make associations with the name. It’s a plant that’s mainly produced in the far east, most notably in India. That has got to be the new bad boy in the scene when It comes to raising your testosterone levels naturally – that’s why I decided to leave It last because I wanted to give It the much-deserved attention!

Now, even If people In India are mostly using this as a way to spice up their meals and also for preparing curry, for example, Fenugreek has not only taken the bodybuilding world by storm but pretty much anyone out there interested In male hormone optimization.

Inhibiting aromatase, reductase… this Is what It does, and It’s good at it too! I should probably note that enzymes mentioned above act as the bad guys, who happen to destroy (or should I say breakdown) T in our bodies. A research done on the subject has concluded that the extract of this plant, does indeed elevate testosterone values (5).

And not only that, but all of this comes with the added bonus of a decrease in body fat, connected with the upgrade in androgenic action due to the supplementation with… yes, Fenugreek!

Speaking of body fat and body composition, there’s also a study exploring the possibilities of this great plant affecting muscle mass, strength and body fat (6). Guess what? The conclusion was a positive one, pointing out that the test subjects experienced an increase in muscle strength and an overall improvement in body composition.

For me personally, that’s more than enough to highlight the powers of Fenugreek and its testosterone boosting capabilities! Hooray for these fenugreeks (or whatever)!

Lots of white pills on white background


What About The Popular Tribulus Terrestris Ingredient Though?

Even though Tribulus is widely used in an awful lot of test boosters, as unfortunate as it is – it’s most definitely not a very effective (if at all) ingredient for optimizing your natural T production.

That’s why touching the Tribulus subject is like walking on the thin ice simply because there are way too many contradicting opinions on its testosterone enhancing properties.

If you are interested in a more in-depth approach to this ambivalent herb, then you can check my article titled is Tribulus Terrestris a T booster?!

It should be noted (again) that I personally DO NOT believe that Tribulus is an actual testosterone-boosting supplement!


Right, this was my intake on this tricky topic. Optimistically my attempt to educate you in a sense when it comes down to what exactly is inside of a testosterone booster was not in vain. Also, do keep in mind that like I already said around 024835678 times, these supplements are not banned or illegal, so they are safe to take.

If you still have doubts, I’ve got a pretty neat article lined up for you – it’s entirely dedicated to one thing – are testosterone boosters safe? After reading it, I’m positive that you’ll have new friends (not literal ones, unfortunately) to help you with your testosterone goals.

So you can now immediately go and do around ten weighted pull-ups combined with around 50 burpees to congratulate yourself on being able to assimilate all of the valuable information provided here.

If someone actually attempts this and even succeeds, I would like to know about in the comment section!







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Founder and author of Testosterone Nerd. A man with addiction, testosterone addiction. From captivating metaphors, humoristic approaches and scientifically-backed research, there's something for every man seeking optimal male hormone levels. Now give me five and rev up that T of yours!


  1. Hello and thanks for sharing, many men are having problems in this area and one of the major problem in some men is that their sex drive is effected by this. And so these booster have been made to help men in this area of getting their sex driver back. Thanks for sharing this post and what men can take to boost their testosterone . All the best to you and have a good day.

  2. You Have a pretty sweet site here! I love how you are willing to challenge history. It make complete sense that the Mayans were using test boosters. That would explain their obsession with scarifies. The more testosterone flowing the more dominate you want to be. The male hormonal support supplements you mentioned sound like some good thing to try. Thanks for the cool info. Do you use testosterone boosters?

    • Welcome and thanks for the kind words mate!

      The ancient mayan part was more of a humorous approach to the whole subject. To be perfectly honest with you, I have 0% idea if they actually used test boosters lol. But your logic makes sense – more T flowing in your system translates into you being more dominant.

      Do I use testosterone boosting supplements? Of course I do! I’m currently on Testo Fuel so you can definitely expect a tasty review of it when I finish my bottle!

      Simon | Author of Testosterone Nerd

  3. Thanks for sharing a good stuff.

    It is a good thing to know that there exists Testosterone Booster with natural supplements.

    I am not a fan of artificial food supplements. I always do my best to get nutrients from natural food.

    In your personal used, how long does it take to see the results?

    • Hey and welcome.

      Glad you share my view on artificial substances, especially synthetic T.

      As for your question – that’s a tough one but I’ll give you my (insert random number here) cents!

      It can take you anywhere from days to weeks to feel anything related to an increase in the activity of your primary male hormone.

      However, personally if I don’t feel ANY benefit by the end of the bottle, I call it bluff.

      Hope this helps you bro!

      Simon | Author of Testosterone Nerd

  4. Great explanation of testosterone boosters.

    I think a lot of people are mislead and think about steroids when they think of testosterone in general.

    I have tried ZMA before in college when I went though a workout phase. I didn’t do any blood work so I do not the results. However, I’m glad to see that vitamin D plays a role, I need to get some more sun!

    • Hello, hello.

      Yeah, when the general public hears the two words ‘testosterone’ and ‘supplements’ combined, they go like “oh noes, steroids!!!”. I’m trying to help everyone understand that I’m talking about natural stuff here.

      As for ZMA – it’s efficient but it would not be realistic to expect the same results as something containing D-Aspartic Acid and/or Fenugreek.

      And yeah, go get that sunshine! Just be careful not to overdo it.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  5. Hi, super interesting post, I had no idea that these supplements were natural and safe to take.

    Now that I know what’s in a testosterone booster I understand that the ingredients are commonly used to improve the health of anyone regardless of whether it’s woman or man, right?

    Do you recommend that a woman take one of these supplements advertised as “testosterone boosters” to improve her energy levels?

    • Howdy Gopika,

      Every single time I see a comment by a female I get excited (not in that way, you naughty people). Wonder why? Because it is and always will be interesting to read what the ladies think about testosterone in general.

      Not to burst your bubble, but keep in mind that these are mainly stuff. It DOES matter if it’s a man or a woman taking a testosterone boosting supplement. To put it simply – I DO NOT advocate women taking such products.

      Men should be manly, women should be feminine. Let’s not interfere, alright?

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  6. Raising your testosterone level seems to be a fairly advanced issue with many different factors to consider.
    I could use a boost of testosterone.

    At the age of 45 I do feel tired sometimes and recovery time between workouts (or ANY physical activity) is getting longer.

    Where should I start if I want increase my testosterone levels. With diet, with booster? or both?
    Cheers and thanks for a good article.

    • Hello there Jojo.

      Generally, from what I see as a sort of a pattern, your age is pretty much ideal for using a testosterone boosting supplement. Although there are men with certain problems that start much, much earlier on… or they simply want to make the most of their natural T production (myself including)!

      If you want to up your manhood, start by adjusting EACH and EVERY aspect connected to it. From food to supplements to training to lifestyle etc. As you mentioned diet, I’m covering nutrition in detail and I have an article solely focused on top T boosting foods of for us gents, that you can check.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  7. Interesting article. While I’ve started to exercise more, maybe I should consider taking a testosterone booster. I actually didn’t even realize Vitamin D play a part in testosterone production. As we get older, our body naturally producing testosterone goes down, so this is definitely something to keep in mind for the aging man. Thanks for the information!

    • Yo Jeremy!

      Working out is a beautiful, natural T-booster by itself. Adding a supplement to up your male mojo, even more, would only be of benefit to you. Just make sure you don’t neglect other factors such as nutrition, lifestyle etc.

      And you hit the bullseye – testosterone DOES decrease although at a slow pace generally. It’s around 1% per year after you hit 30. Testosterone enhancing supplements work even better for older gents, that’s for sure!

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  8. I normally wouldn’t comment on a post like this, but I think ladies should. Who doesn’t want their men to have normal levels of testosterone.
    My hubby has a low count. I appreciate that you have written a post on how to raise levels using natural herbs and supplements. All the Dr. said was to take zinc and ginseng. That was over a year ago.
    Will you be writing a post about how to increase libido? Does low levels of testosterone affect libido?

    • Hi and welcome!

      Don’t be shy, I never meant to forbid ladies from visiting my website or commenting. This website is not under sharia law so no worries (sorry ISIS).

      You’ve got my respect for wanting your man to be the MAN. Especially if he’s low on T! Spread the word and if he decides to take action – let me know.

      Zinc and Ginseng are a brilliant recommendation by your doc, kudos to him! As for me writing about libido – this is next on my bucket list, so hold your breath!

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  9. I am doing some research on ways to possibly help my boyfriend build muscle. Lets be clear, I personally do not want him to build too much but he is a man and he has his desires and he is convinced that the only way to build muscle is through steroids and so I am looking to see if maybe there’s a different way to go. The way that you make it sound the test booster seems like a bit of a healthier way to go unless I completely misunderstood and it is pretty much a steroid LOL. Sorry I’m a little new at looking at things like this especially since it is not really for me

    • Hi, Adriana and welcome aboard!

      Yeah, hooray for having the desire to help your partner and make him a better (manlier) man. We need more women like you! And don’t worry, he’ll never become Dwayne Johnson-like unless he starts to abuse synthetic testosterone a.k.a. anabolic steroids.

      Testosterone boosters (supplements in general) are NOT steroids – I was just playing around with the wording. I wanted to break that myth because it’s a common misconception amongst many people.

      Don’t be sorry for not knowing too much about the primary male hormone and the related topics – you’re a lady, after all, you should be focusing on your feminine side! Oh and don’t forget to inform me about your BF’s fitness endeavors.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

    • Hi, Adriana and welcome aboard!

      Yeah, hooray for having the desire to help your partner and make him a better (manlier) man. We need more women like you! And don’t worry, he’ll never become Dwayne Johnson-like unless he starts to abuse synthetic testosterone a.k.a. anabolic steroids.

      Testosterone boosters (supplements in general) are NOT steroids – I was just playing around with the wording. I wanted to break that myth because it’s a common misconception amongst many people.

      Don’t be sorry for not knowing too much about the primary male hormone and the related topics – you’re a lady, after all, you should be focusing on your feminine side! Oh and don’t forget to inform me about your BF’s fitness endeavors.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  10. Thanks for the endorsement and education of testosterone booster products. You are very knowledgeable about the subject and I enjoyed reading your post. I have to say I’m really enlightened by your take on what is in real testosterone enhancing products and what’s a suspect. It deserves a bookmark for future use. Thank you

    • Hello there.

      Cheers for the overall enlightenment lol! It’s a fact that there are loads of misunderstandings when dealing with the subject of T enhancing supplements – natural ones, of course, and what they constitute of.

      You’re already familiar with the fact that there’s not a bloody reason for confusion. Testosterone boosters are just that – supplements that boost your natural T production. Therefore, they contain different herbs and amino acids (for example) which means you won’t be putting harmful substances into your system, such as anabolic steroids.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd

  11. Thank you for the information provided on this post is very interesting.
    I never know that it really only takes 5 different supplements to get the testosterone flowing again.
    Do you know if there is a specific age range that testosterone in men start to decrease?
    Because my husband last year was starting to think that he had low testosterone levels because he was having memory problems, tired all the time, and weakness on one side along with having problems losing weight.

    He tried a testosterone booster and said he felt a bit better but one bottle costs $55 and I was leery about it. But he was driving truck at that time also so I don’t think the stress was helping him.

    I am very happy to hear that there are some basic supplements out there that can be taken to help low levels!

  12. Wow, lovely post about test boosters! 

    I’ve heard so many negative stories about steroids though.

    Are you educated in this kinda stuff? I have plans to take for a physique contest, but however, my main concern is the side effect of shrinkage in the testicles due to decreased production in T level after the cycle.

    I’ve also heard about post cycle therapy. It helps to bring your body back to produce hormone level naturally.

    Perhaps you can share with me more on steriods, base on your experience if you have any. Bodybuilders like Flex Lewis, as you can see obviously the huge amount he took, and still managed to have a daughter.

    • Hey there, Melvin.

      If you’re an aspiring bodybuilder, I don’t think it makes sense for me to even start the “juice” (a.k.a. steroids) debate. You know they’re harmful, you know they’re banned. It’s your own life and career – I’ll just give you a friendly advice… keep it natural!

      Synthetic T or other anabolic steroids would not necessarily make you impotent, but it’ll shut down your own testosterone production. Period.

      As for PCT, once again – it’s your choice whether you’ll need that or not in the first place. Most testosterone boosters would certainly help post-cycle but that’s not something that I want to go any further into. Sick of listening (reading) about steroids, blah.

      Cheers and God bless,
      Simon | Author of Testosterone Nerd


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