When to Test Your Testosterone: Signs, Symptoms, and Age Factors

Posted by Amrytt Media
6
Oct 10, 2024
27 Views

Are you feeling sluggish, experiencing unexplained weight gain, or noticing a decrease in muscle mass? These could be signs of low testosterone levels. While it's normal for testosterone to decline with age, certain symptoms may indicate a more significant issue that requires attention.

Understanding when to test your testosterone levels can be crucial for maintaining your overall health and well-being. Whether you're experiencing changes in your mood, energy levels, or sexual function, a simple blood test can provide valuable insights into your hormonal balance and help you take control of your health.

Understanding Testosterone and Its Importance

Testosterone, often dubbed the "male hormone," plays a crucial role in both men's and women's bodies. It's not just about bulging muscles and deep voices; testosterone impacts various aspects of your health and well-being.

In men, testosterone is the primary sex hormone responsible for developing male characteristics during puberty. It regulates muscle mass, bone density, fat distribution, and red blood cell production. Testosterone also influences mood, energy levels, and libido.

Women produce testosterone too, albeit in smaller amounts. It contributes to bone strength, muscle mass, and sexual function. Balanced testosterone levels in women are essential for overall health and vitality.


As you age, testosterone levels naturally decline. This decrease starts around age 30 and continues gradually throughout life. While this is a normal part of aging, sometimes testosterone levels can drop too low, leading to various health issues.

Low testosterone, or "low T," can affect your quality of life significantly. You might experience fatigue, decreased muscle mass, increased body fat, mood changes, and reduced sex drive. These symptoms can sneak up on you, often mistaken for signs of aging or stress.

On the flip side, high testosterone levels can also cause problems, especially in women. Excessive testosterone in women may lead to acne, hair loss, irregular periods, and even infertility.


Understanding your testosterone levels gives you valuable insights into your overall health. It's not just about addressing current symptoms; it's about taking proactive steps to maintain hormonal balance and prevent potential health issues down the road.

Remember, testosterone doesn't work in isolation. It's part of a complex hormonal system that keeps your body functioning optimally. That's why monitoring your testosterone levels can provide a window into your overall endocrine health.


Whether you're a man experiencing unexplained fatigue or a woman dealing with irregular periods, knowing your testosterone levels can be the first step towards better health. It's about empowering yourself with knowledge and taking control of your well-being.

Signs You May Need a Testosterone Test

Recognizing the signs of potential testosterone imbalance is crucial for maintaining optimal health. Certain symptoms and age-related changes may indicate the need for a testosterone test.

Symptoms in Males

Low testosterone in men often manifests through physical and emotional changes. You might notice decreased muscle mass and strength, accompanied by increased body fat, particularly around the midsection. Sexual function can be affected, with reduced libido, erectile dysfunction, and fewer spontaneous erections. Mood changes, including irritability, depression, and difficulty concentrating, are common. Sleep disturbances, such as insomnia or excessive daytime sleepiness, may occur. Some men experience hot flashes, decreased body hair growth, or gynecomastia (enlarged breast tissue).

Symptoms in Females

Women with low testosterone levels may experience symptoms that overlap with those of men but are often subtler. You might notice a decrease in libido or sexual satisfaction. Fatigue, reduced energy levels, and difficulty concentrating are common complaints. Muscle weakness and decreased bone density can lead to an increased risk of osteoporosis. Some women report mood changes, including depression or anxiety. Irregular menstrual cycles or fertility issues may also be linked to testosterone imbalances in females.

Age-Related Changes

Testosterone levels naturally decline with age in both men and women. For men, this process typically begins around age 30, with a gradual decrease of about 1% per year. By age 70, testosterone levels may be 30% lower than in younger adulthood. Women experience a more rapid decline during menopause, with testosterone levels dropping by up to 50%. These age-related changes can lead to symptoms that mimic those of low testosterone, making it important to consider testing if you're experiencing unexplained changes in energy, mood, or physical function as you age.

Types of Testosterone Tests

Testosterone testing involves several methods to measure hormone levels in your body. Each type of test provides unique insights into your testosterone status, helping healthcare providers make accurate diagnoses and treatment decisions.

Total Testosterone Test

The total testosterone test measures both bound and unbound testosterone in your blood. It's the most common initial screening for testosterone-related issues. This test provides an overall picture of testosterone production but doesn't differentiate between active and inactive forms. Results are typically reported in nanograms per deciliter (ng/dL) for men and nanograms per liter (ng/L) for women.

Free Testosterone Test

Free testosterone tests measure the unbound, biologically active form of the hormone. This test is crucial because it reveals the amount of testosterone available for use by your body's tissues. Free testosterone makes up only about 2% of total testosterone but is responsible for many of its effects. It's particularly useful in diagnosing conditions where total testosterone levels appear normal, but symptoms persist.

Bioavailable Testosterone Test

Bioavailable testosterone tests measure both free testosterone and testosterone bound to albumin, which can be easily used by your body. This test provides a more comprehensive view of the testosterone your tissues can access. It's especially valuable in assessing testosterone status in older adults or those with conditions affecting protein levels in the blood. Bioavailable testosterone typically accounts for about 35% of total testosterone.

When to Consider Getting Tested

Testosterone levels fluctuate throughout the day and can be influenced by various factors. Understanding when to test your testosterone levels is crucial for maintaining optimal health and addressing potential hormonal imbalances.

Medical Conditions

Certain medical conditions often warrant testosterone testing:

  • Hypogonadism symptoms: Low sex drive, erectile dysfunction, infertility, enlarged breasts, lack of facial or body hair, unexplained anemia, and muscle mass loss

  • Hyperandrogenism signs in women: Abnormal hair growth, male-pattern baldness, voice deepening, irregular menstrual cycles, and acne

  • Chronic diseases: Liver or kidney disease, thyroid disorders, pituitary gland issues, benign tumors, testicular injuries, and genetic conditions like Klinefelter syndrome

Healthcare providers may recommend testosterone testing if you're experiencing these symptoms or have been diagnosed with any of these conditions.

Lifestyle Factors

Your lifestyle can significantly impact testosterone levels:

  • Obesity: Excess body fat can lead to lower testosterone production

  • Extreme dieting: Severe calorie restriction may decrease testosterone levels

  • Overtraining: Excessive exercise without proper recovery can temporarily reduce testosterone

  • Chronic stress: High cortisol levels from prolonged stress can suppress testosterone production

  • Sleep deprivation: Inadequate sleep often results in lower testosterone levels

If you've experienced significant changes in these lifestyle factors, it's worth considering a testosterone test to assess their impact on your hormonal balance.


Remember, testosterone levels naturally decline with age. If you're over 40 and experiencing symptoms of low testosterone, it's a good idea to discuss testing with your healthcare provider. They'll help determine if your symptoms warrant a test and guide you through the process.

Preparing for a Testosterone Test

Proper preparation is crucial for accurate testosterone test results. Here's what you need to know to ensure your test provides reliable information about your hormone levels.

Timing Considerations

Schedule your testosterone test in the morning, ideally between 7 and 10 AM. Testosterone levels naturally fluctuate throughout the day, peaking in the early morning and declining as the day progresses. This timing allows for the most consistent and accurate measurements.


If you're on testosterone replacement therapy, consult your healthcare provider about the best time to schedule your test. They might recommend testing at specific intervals after your last dose to get the most meaningful results.

For women, the timing of your menstrual cycle can affect testosterone levels. Your doctor may suggest testing during a particular phase of your cycle for the most accurate assessment.

Fasting Requirements

Most testosterone tests don't require fasting. However, your doctor might recommend avoiding food and drinks (except water) for 8-12 hours before the test, especially if they're checking other blood markers alongside testosterone.


Certain foods and supplements can influence hormone levels. Avoid consuming biotin supplements for at least 72 hours before your test, as they can interfere with the accuracy of some hormone assays.


If you're a smoker, abstain from smoking for at least one hour before the test. Nicotine can temporarily affect testosterone levels, potentially skewing your results.


Remember to inform your healthcare provider about any medications you're taking, including over-the-counter drugs and supplements. Some medications can impact testosterone levels or interfere with test accuracy.

By following these preparation guidelines, you'll help ensure your testosterone test provides the most accurate snapshot of your hormone levels, allowing for better diagnosis and treatment decisions.

The Testing Process

Testosterone testing involves a simple blood draw to measure hormone levels. The process varies depending on whether you're testing at a healthcare facility or using an at-home kit.

At the Doctor's Office

When you visit a doctor for testosterone testing, expect a thorough evaluation. Your healthcare provider will discuss your symptoms, medical history, and perform a physical exam. They'll then order a blood test, typically scheduled for early morning when testosterone levels are highest.


The blood draw is quick and relatively painless. A healthcare professional will clean the area, usually your arm, and insert a small needle to collect a blood sample. This sample is sent to a lab for analysis, with results typically available within a few days.

Your doctor may also recommend additional tests to rule out other conditions or assess related hormones. These might include luteinizing hormone (LH), follicle-stimulating hormone (FSH), or prolactin levels.

At-Home Testing Options

At-home testosterone tests offer a convenient alternative for those who prefer privacy or have difficulty visiting a doctor's office. These kits are increasingly popular, with the global home diagnostics market expected to reach $6.53 billion by 2025.

To use an at-home kit, you'll collect a small blood sample through a finger prick. The process is straightforward:

  1. Clean your finger with the provided alcohol swab.

  2. Use the lancet to prick your fingertip.

  3. Collect blood drops on the test card or in a small vial.

  4. Mail the sample to the lab using the pre-paid envelope.


Results are typically available online within a few days. While convenient, at-home tests may not be as comprehensive as those done in a clinical setting. They're best used as a starting point for discussion with your healthcare provider.


Remember, interpreting testosterone results isn't always straightforward. Levels can vary based on age, sex, and other factors. A reading of 300 ng/dL might be normal for a 70-year-old man but low for a 30-year-old. That's why it's crucial to discuss your results with a healthcare professional who can provide context and recommend appropriate next steps.


Whether you choose a doctor's office or an at-home option, regular testosterone testing can be a valuable tool in monitoring your hormonal health. It's not just about the numbers—it's about how you feel and function in your daily life.

Interpreting Test Results

Understanding your testosterone test results is crucial for assessing your hormonal health. Proper interpretation helps identify potential issues and guides treatment decisions.

Normal Ranges

Testosterone levels vary based on age, sex, and individual factors. For adult males, normal total testosterone ranges from 300 to 1,000 nanograms per deciliter (ng/dL). Women typically have lower levels, ranging from 15 to 70 ng/dL. It's important to remember that these ranges are general guidelines, and your doctor will consider your specific circumstances when interpreting your results.

Low Testosterone Levels

If your testosterone levels fall below the normal range, it might indicate hypogonadism. Low testosterone in men can cause fatigue, decreased libido, erectile dysfunction, and reduced muscle mass. Women with low testosterone may experience decreased sex drive, fatigue, and mood changes. Your doctor might recommend further testing or treatment options if your levels are consistently low.

High Testosterone Levels

Elevated testosterone levels can be just as concerning as low levels. In men, high testosterone might indicate tumors in the testicles or adrenal glands. Women with high testosterone levels may experience acne, excess body hair growth, and irregular menstrual cycles. If your test shows high testosterone, your doctor will likely order additional tests to determine the underlying cause and appropriate treatment.

Next Steps After Testing

After receiving your testosterone test results, it's crucial to take appropriate steps to understand and address your hormonal health. Here's what you should do next:

Consulting Your Doctor

Schedule an appointment with your healthcare provider to review your testosterone test results. Your doctor will interpret the numbers in the context of your overall health, symptoms, and medical history. They'll explain what your results mean and how they relate to any symptoms you're experiencing. If your levels are abnormal, your doctor may recommend additional tests to rule out underlying conditions or determine the cause of hormonal imbalance.


During this consultation, be prepared to discuss:

  • Any symptoms you've been experiencing

  • Your lifestyle habits, including diet and exercise

  • Current medications or supplements you're taking

  • Your family medical history

  • Any concerns or questions you have about your results

Your doctor will use this information to develop a comprehensive understanding of your health and guide the next steps in your treatment plan.

Comments
avatar
Please sign in to add comment.