What is a Normal Testosterone Level For Your Age?

• August 22, 2024
• Dr Luke Wee

Last updated on October 14, 2024

Testosterone is a vital hormone that plays a crucial role in both men’s and women’s health. It influences muscle mass, bone density, mood and sexual function. Understanding what constitutes a normal testosterone level for your age is essential for maintaining overall health and wellbeing. This blog aims to shed light on normal testosterone levels by age, the importance of these levels and how to address any imbalances.

Understanding Testosterone

Testosterone is a hormone primarily produced in the testes in men and the ovaries in women, with smaller amounts produced by the adrenal glands. It is responsible for the development of male characteristics and reproductive functions. In women, testosterone helps maintain bone density and muscle mass and supports libido.

Normal Testosterone Levels by Age

Children and Adolescents

Before puberty, testosterone levels are relatively low in both boys and girls. During puberty, boys experience a significant increase in testosterone levels, leading to the development of secondary sexual characteristics such as facial hair and a deeper voice. Girls also experience a rise in testosterone but to a lesser extent.

Young Adults (20s and 30s)

In young adulthood, testosterone levels peak. The average testosterone levels for men in their 20s and 30s typically range from 10.4 to 34.7 nmol/L (nanomoles per litre). Maintaining normal testosterone levels during this period is crucial for overall health and reproductive function.

Middle Age (40s and 50s)

As individuals reach their 40s and 50s, testosterone levels naturally begin to decline. The average testosterone level for men in this age group is around 10.4 to 27.8 nmol/L. This decrease can lead to symptoms such as reduced muscle mass, lower libido and fatigue.

Older Adults (60s and Beyond)

In older adults, testosterone levels continue to decline. Men in their 60s and beyond may experience levels as low as 6.9 nmol/L. Common symptoms of low testosterone in older adults include decreased bone density, reduced muscle mass and increased body fat.

Testosterone levels by age chart: This chart shows how testosterone levels decrease as we age.

Factors Affecting Testosterone Levels

Several factors can influence testosterone levels including:

• Genetics
• Lifestyle Choices
• Medical Conditions
• Medications
• Chronic Stress
• Alcohol and Substance Use
• Age

Symptoms of Abnormal Testosterone Levels

Low testosterone can manifest in various symptoms such as fatigue, reduced libido, erectile dysfunction and loss of muscle mass. Conversely, too much testosterone can lead to aggression, acne and other health issues. Recognising these symptoms and seeking medical advice is essential for addressing hormone imbalances.

Managing and Optimising Testosterone Levels

To maintain healthy testosterone levels, lifestyle changes such as a balanced diet, regular exercise and stress management are recommended. For those with significantly low testosterone, testosterone replacement therapy (TRT) or hormone replacement therapy (HRT) may be considered. These treatments can help restore normal testosterone levels and alleviate symptoms associated with testosterone deficiency.

Testosterone and Vasectomy

A common concern among men considering a vasectomy is whether the procedure will affect their testosterone levels. Research show that vasectomy does not impact testosterone production or levels.

The no-scalpel vasectomy is a minimally invasive procedure that involves making a small puncture in the scrotum rather than using a traditional scalpel. This technique allows the vas deferens to be gently lifted out, cut, and sealed, effectively preventing sperm from entering the semen.

Importantly, this procedure does not interfere with the testes’ ability to produce testosterone. Therefore, normal testosterone levels are maintained post-vasectomy, ensuring that hormone-related functions such as muscle mass, libido, and overall health remain unaffected.

Conclusion

Maintaining a normal testosterone level is vital for overall health and wellbeing. If you experience symptoms of low or high testosterone, it’s important to consult with a healthcare professional and consider getting a blood test to measure your testosterone levels. Understanding and managing testosterone levels can significantly impact your quality of life.

How to book a vasectomy appointment

• Fill out our online booking form
• Call us: 0800 884 408
• Email us: info@thecooperclinic.co.nz

FAQs

What are the symptoms of low testosterone?

Low testosterone can cause fatigue, reduced libido, erectile dysfunction and loss of muscle mass. If you experience these symptoms, it is advisable to seek medical advice.

What is free testosterone?

Free testosterone is the testosterone not bound to proteins like sex hormone-binding globulin, making it readily available for use by the body. It plays a crucial role in many bodily functions, including muscle development and mood regulation.

What is considered a normal range for testosterone levels?

The normal range for total testosterone is typically 10.4 to 34.7 nmol/L, while free testosterone ranges from 0.3 to 1.0 nmol/L. These ranges can vary slightly based on the testing laboratory’s standards.

Why do testosterone levels decline with age?

Testosterone levels decrease naturally with age, particularly after the age of 30, leading to a gradual testosterone levels drop. This decline can affect energy levels, muscle mass and overall vitality.

How is testosterone measured?

Testosterone is measured in nmol/L (nanomoles per litre) for precise evaluation of total testosterone levels. Regular monitoring can help detect any significant changes in your hormone levels.