What Testosterone Does in Men

• Supports muscle mass and strength
• Maintains bone density
• Regulates libido and erectile function
• Influences mood, energy, and motivation
• Plays a role in red blood cell production
• Supports cognitive functions like focus and spatial ability

Why Testosterone Declines

Levels naturally fall with age, usually starting in the late 20s to early 30s. Other contributors include:

• Chronic stress
• Poor sleep
• Obesity or metabolic syndrome
• Certain medications
• Excess alcohol
• Untreated sleep apnoea
• Chronic illness

Symptoms of Low Testosterone (Hypogonadism)

These symptoms can overlap with other conditions, so they’re not diagnostic on their own:

• Reduced libido
• Erectile difficulties
• Low energy or fatigue
• Loss of muscle mass
• Increased body fat
• Low mood or irritability
• Poor concentration
• Reduced shaving frequency
• Decreased morning erections

How Testosterone Is Tested

• Blood tests are usually taken in the morning
• Total testosterone, Free testosterone, SHBG are measured first
• LH, FSH, and prolactin may be added to understand the cause We would also add a PSA test.
• Repeat testing is often required

Treatment Options

Treatment decisions will be made by Dr Charlson . Options may include:

• Testosterone replacement therapy (gels, injections, patches)
• Addressing underlying causes (weight loss, sleep apnoea treatment, medication review)
• Lifestyle optimisation

Important Safety Notes

• Testosterone therapy isn’t suitable for everyone
• Requires medical supervision and regular monitoring
• Not advised for men trying to conceive (it can reduce sperm production)