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Benefits of Testosterone for Men

Updated on December 19, 2012
An impossible act with testosterone!
An impossible act with testosterone! | Source

When Should I Worry About Testosterone Levels?

  • On average, a man's testosterone starts to decrease by 1% a year after he becomes 30 years old.
  • There are other diseases that result in lowered testosterone levels however and you should be aware of this. If you feel like you are lacking something that testosterone is meant to bring you - it is advised that you go to your GP and check that you are not suffering from hypogonadism.

Below are all of the important functions that testosterone plays a key role in. Whilst reading about the role of testosterone, keep in mind that just because you feel you are lacking in something e.g. energy, it doesn't necessarily mean you are lacking in testosterone. It is possible you are lacking something else which is having the same effect as low testosterone levels e.g. not having enough REM sleep.

Testosterone and Sleep

A lack of testosterone can result in:

  • Insomnia.
  • Sleep disruptions.

Therefore, as well as all of the other dangers of lacking testosterone, there are also all of those that come with not having enough quality sleep!

Testosterone and Sexual Function.

A lack of testosterone will result in:

  • Reduced libido (sexual desire)
  • Infertility
  • Erectile dysfunction
  • Fewer spontaneous erections (including the ones associated with sleep)

Thus, an increase in testosterone will result in:

  • Increased sex drive
  • Stronger erections
  • More spontaneous erections

Some Science:

  • Testosterone inhibits uptake of triglycerides and since fats are composed of trigylcerides: fat production is reduced.
  • Testosterone also increases lipid (which are also a part of fat molecules) mobilisation from adipose tissue (body fat) - lipids also make up fats an
  • University of Rochester School of Medicine and Dentistry [1989]: increasing testosterone increases protein synthesis in muscles. Proteins are what give muscles their strength and size and so this explains why increased testosterone results in increase muscle mass.
  • Southern Cross University, Australia [1999]: male weight-training subjects showed increases in arm girth and body weight and decreased body fat following a 12-week cycle of testosterone enanthate.

Physical changes

Reducing your testosterone levels will likely result in:

  • Increased body fat
  • Reduced muscle bulk and strength
  • Decreased bone density
  • Swollen or tender breasts (gynecomastia)
  • Hair loss
  • Hot flashes
  • Less energy than you used to have
  • Breast enlargement
  • Lower red blood cell production

Increasing your testosterone levels will likely result in:

  • Gains in lean muscle mass
  • Reduced body fat
  • Increased bone density
  • Higher red blood cell production
  • More energy

A Study by the Association of American Family Physicians

Has shown that when men with hypogonadism (a disease in which the testicles produce too little testosterone) are treated with testosterone they see an improvement in the following cognitive functions:

  • Verbal memory
  • Spatial memory
  • Spatial cognition

Emotional changes.

Low testosterone levels may result in:

  • Decreased motivation
  • Decreased self-confidence (partly due to the physical effects)
  • Sadness/depression
  • Fatigue
  • Difficulty in concentrating
  • Difficulty in remembering
  • Worse brain function (see right)

Therefore, increasing your testosterone levels will likely result in:

  • More motivation
  • Reduced negative feelings
  • Reduced fatigue
  • Increased self-esteem
  • Increased cognitive function

The Dangers of Too Much Testosterone

Too much of most things will make you sick. Unfortunately, testosterone is one of these things:

  • Subjects given a very high dosage of testosterone often found that they become a lot more aggressive, adopting a more volatile personality in general.

Conclusion on Testosterone

As you can see for yourselves, testosterone provides a man with many of the key characteristics he typically needs in life: energy, motivation, mental functions, sex drive and muscle mass.

With these benefits comes the danger of becoming overly aggressive however and hurting those around you - it is important therefore, to keep conscious of your behaviour and try and identify its sources.

Luckily, there are ways to both increase and decrease your testosterone levels naturally - without having to take supplements (although some claim that this is an efficient way).


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    • Philanthropy2012 profile image

      DK 4 years ago from London

      Thank you both! :)

    • shara63 profile image

      Farhat 4 years ago from Delhi

      amazing piece of information..worth voting up!! shud be aware of these facts so that they can help themselves to sort out their problems.. bodily as well as emotional way..and definitely this adds to maintain thier persona/family/social status!

    • eHealer profile image

      Deborah 4 years ago from Las Vegas

      Good article Phil, it's important for men to be aware of their health and be able to express how they are feeling about their bodies. It was a real problem in the past, most men had the John Wayne syndrome and wouldn't let anyone help them. Voted up, pinned and FB'd!!