TestoGen Side Effects – Read This Before You Buy This Supplement!

Honestly, it wouldn’t be far-fetched to say that most people assume that anything with “testosterone” in its name is bound to be illegal and dangerous. Maybe that’s why the TestoGen Triple-Action testosterone booster could be mistaken for an anabolic steroid (also check my TestoGen review). What about the TestoGen side effects… does it have any?

As with any supplement out there, some of the herbs and extracts in TestoGen can potentially lead to certain side effects.

However, those are largely dose-dependent and none of the ingredients of this product is dosed so highly dosed to cause any concern.

So unless you’re allergic to any of the ingredients in this supplement you should be fine.

Personally, the only side effect of taking this product that I experienced was some excess aggression at times.

Regardless, each body is unique and some people might respond differently!

Firstly, let’s take a look at the ingredient profile of this product.

This way you’ll know if there’s something that you’re allergic to.

As you can see, there are no illegal or banned substances here so chill!

What Does TestoGen Contain?

It contains a total of 11 different ingredients, derived from natural sources.

TestoGen side effects, ingredient profile

Here’s the complete list with the amount of each:

  • Magnesium – 200 mg

  • Vitamin B6 – 20 mg

  • Zinc – 10 mg

  • Vitamin D3 – 50 mcg

  • Vitamin K1 – 10 mcg

  • D-Aspartic Acid – 2352 mg

  • Nettle leaf – 40 mg

  • Red Ginseng – 40 mg

  • Fenugreek – 40 mg

  • Boron – 8mg

  • Bioperine – 5 mg

It’s quite obvious that there are only natural extracts, herbs and compounds in this formula.

And if you want a more in-depth take on these ingredients, make sure to check my scientific breakdown of the TestoGen ingredients.

TestoGen side effects, TestoGen special offer

What Are The Potential Side Effects Of The Ingredients In TestoGen?

Potentially and generally speaking you might experience things like increased nervousness, headaches, irritability, acne and even aggression.

However, it’s highly unlikely that you’ll experience ANY of these adverse reactions!

That’s because the ingredients in this supplement are dosed correctly and some are even underdosed.

Still, let’s take a look at some of the ingredients that have higher doses:

  • Vitamin B6 (Pyridoxine) – 20 mg (1428% of normal daily values)

The fact that TestoGen uses a dose that’s 1428% greater than the nutrient reference values (i.e. daily values) for Vit B6 might seem frightening, sure.

But it shouldn’t be! Relevant research shows that the safe upper limit for Vitamin B6 supplementation is 100 mg (1).

This is FIVE times more than what’s inside TestoGen so stop worrying.

Vitamin B6 can cause neuropathy at doses of 1000 mg daily – now compare that to the mere 20 mg dose here!

The same study also points out that occasional toxicity might occur at doses between 100 and 300 mg per day.

In this regard, this supplement is as safe as they get, as you’ll be well within the safe range for this vitamin.

Nonetheless, here’s what you might expect if you take too much Vit B6 (over 100 mg or more likely over 1000):

  • Diarrhea

  • Nausea

  • Stomach

  • Cramps

  • Vomiting

  • Headaches

  • Sleepiness

Anyhow, B vitamins are water-soluble, meaning they dissolve in water and as a result, your body doesn’t store them.

  • Vitamin D3 (Cholecalciferol) – 50 mcg (1000% of normal daily values)

Again, don’t let the three-digit numbers here freak you out.

It’s widely accepted that Vitamin D doses of around 4000 UI (100 mcg) are safe.

In fact, studies show that doses of up to 10000 UI (250 mcg) didn’t show any toxicity in healthy individuals (2).

This means that you need well over 50 mcg of this vitamin to even remotely experience any side effects.

And such side effects are the direct result of calcium buildup in the bloodstream, due to massive amounts of Vitamin D in the body.

The scientific name for this condition is hypercalcemia (3) and it can potentially lead to certain unpleasant reactions such as:

  • Vomiting

  • Nausea

  • Weakness

  • Diarrhea

  • Constipation

Still, the dose presented in TestoGen is far from being excessive so you should be fine.

TestoGen side effects, 3 bottles of TestoGen

  • Zinc – 10 mg (100% of normal daily values)

Okay, okay I know that this is the optimal Zinc dosage per day according to the nutrient reference values (NRV).

Regardless, I still wanted to tackle Zinc as some folks might be afraid of not overdosing with it.

I’m here to tell you that 10 mg of Zinc won’t kill you, especially since the upper intake level or UL for this mineral is 40 mg/day.

Anyway, if you ever decide to go overboard with Zinc supplementation (e.g. doses over 150 or even 100 mg), here’s what you might encounter:

  • Vomiting

  • Metallic taste

  • Nausea

  • Diarrhea

On a side note, one particular study found that 150 mg Zinc per day over 6 weeks may cause vomiting (4).

In fact, more than half of the test subjects in this research experienced vomiting with this dose.

But 150 mg is like 15 times more than the amount of Zinc found in TestoGen, so you’ll be well and alive.

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Is TestoGen Safe?

Yes, it’s totally safe to use. It’s made of only natural ingredients as there’s nothing banned or illegal inside.

I’ve tried it myself and didn’t experience any health-related issues.

The only thing that I noticed as a sort of adverse reaction was increased aggression levels. But it wasn’t anything too crazy and it was totally within my control.

And as I already mentioned, even the ingredients like Vitamin B6 and D3 that have more than the recommended daily values won’t cause any harm.

Just make sure that you’re not allergic to anything on the ingredient list. Thus, read the product label carefully, always!

TestoGen side effects, muscular pose

Yes, one of the ideas of taking a testosterone booster i.e. TestoGen is to look bigger and more shredded – like this guy.

What Is TestoGen Used For?

As stated on TestoGen’s official website, this is a natural testosterone boosting supplement designed to increase your testosterone levels.

It does that by naturally stimulating your own system to produce more of our primary male hormone.

Thus, you get to benefit from all the things associated with higher testosterone levels, including:

  • Improved libido and erections

  • Boosted stamina and energy

  • Increased strength and muscle mass

  • More sex drive

  • Better sleep

  • Less body fat

But that doesn’t mean that you have to neglect your diet or training regime.

Eating healthy and working out are still quite important.

So, take your TestoGen but don’t forget to eat and train right if you want to have higher testosterone levels!

Is TestoGen A Steroid?

No, it has absolutely NOTHING to do with steroids.

TestoGen is a natural product i.e. a supplement and it doesn’t contain anything illegal or banned.

Sure, it may not be as effective as anabolic steroids, but it won’t cause your own T production to shut down.

It will increase your testosterone by stimulating your body to produce more of it, unlike steroids.

You see, anabolic steroids i.e. synthetic testosterone simply replace your natural T with some synthetic crap.

And by receiving x10 times the testosterone of a normal male your body simply stops producing this hormone altogether.

So not only will your balls shrink, but you’ll also have the “privilege” to potentially experience the wide array of side effects related to using steroids.

I’ll pass, thanks.


Finally, I’d like to repeat myself once more – TestoGen is 100% safe to use.

Still, before taking it to make sure to read the product label and check all the ingredients.

TestoGen side effects, rare offer

If you have certain allergies and/or are allergic to any of the ingredients, then you have two options. 1) ask your doctor or 2) simply don’t take it. I’d advise the latter.

I’d now like to know if YOU have personally experienced any side effects using TestoGen.

And if yes, what kind of adverse reactions did you notice?

Leave your answer in the comment section below!


I've been fascinated by natural male hormone optimization since 2016. And ever since I've been going through boatloads of different meta-analyses and scientific data associated with increasing testosterone levels naturally. Thus, in my collective work on this site you'll find helpful tricks, natural remedies, detailed product reviews (including stuff I've personally tried) and more!

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