Does Testogen Cause Any Side Effects?

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Do you often feel fatigued and agitated? Are you looking to boost your muscle mass or libido?

If yes, Testogen is the solution for you.

In our Testogen review, we see that it has an impressive combination of ingredients that enhance testosterone production.

But, how safe is Testogen?

Primarily, Testogen has no side effects on the user, but some bodies seem to react differently, especially to specific ingredients.

Therefore, despite the natural ingredients, it may pose some health risks.

Possible Side Effects

Let’s take a closer look at some of the ingredients used and their potential effects on the user.


Bioperine increases the bioavailability of other active ingredients in Testogen.

It is made from black pepper, which triggers some allergic reactions in some people.

Here are some expected side effects

  • Gastrointestinal issues
  • Bleeding (rare)
  • Diarrhea
  • Black stool
  • Respiratory problems
  • Nausea


Zinc is a popular aphrodisiac that maintains healthy sperms.

Testogen has high levels of Zinc, and some users have reported these side effects

  • Nausea
  • Flu-like symptoms
  • Stomach pains

Other possible side effects of zinc include

  • Reduced levels of ‘good’ HDL cholesterol
  • Changes in taste/metallic taste
  • Frequent infections
  • diarrhea
  • Kidney damage(rare)

Vitamin B6

Vitamin B6 helps to accelerate the natural production of testosterone in the body.

For most  people, Vitamin B6 is potentially safe, but it may cause the following in some people

  • Loss of appetite
  • Headache
  • Nausea and vomiting
  • Stomach pain
  • Tingling
  • Diarrhea

Red ginseng extract

Red ginseng extract is a popular aphrodisiac that boosts libido and protects the testes from dioxins.

The most common side effect is insomnia.

However, other users may experience

  • Irregular blood pressure
  • Mood changes
  • Dizziness
  • Loss of appetite
  • Increased heart rate


Fenugreek has a myriad of benefits ranging from boosting libido, increasing vitality and stamina as well as antioxidant properties.

Some people are allergic to fenugreek as it causes the following reactions

  • Bloating
  • Wheezing
  • Diarrhea
  • Stomach upsets
  • Facial swelling
  • Gas
  • Nasal congestion

D-Aspartic Acid

It is responsible for the production of the luteinizing hormone that stimulates testosterone production.

Some users have reported hormonal imbalances and acne on using Testogen.

Here are other potential side effects of D-Aspartic Acid

  • Headaches
  • Hair loss
  • Acne
  • Irritability
  • Nervousness

However, most individuals respond well to D-Aspartic Acid; thus it is likely safe.

Testogen is possibly  safe; side effects are mainly experienced if

  • Taking more than the recommended daily dose
  • You have an existing health condition
  • You are taking other prescribed medications/supplements
  • You are allergic to some of the Testogen ingredients
  • As a body response to something new

Bottom Line

Testogen is a safe T-booster made with natural ingredients. However, there is the possibility of unexpected side effects as seen above.

Mild side effects experienced are manageable and may go away with time, especially when the body adapts to the supplement.

However, if the side effects are persistent, stop taking the pills and seek medical advice from your physician.