Low Testosterone in Your 40s
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The 40s are often when men notice the clearest symptoms of declining testosterone — changes in body composition, energy, libido, and mental sharpness that don't respond to the usual fixes.
Overview
By the time a man reaches his 40s, testosterone levels have typically declined 10–20% from peak levels. For many men, this is enough to produce noticeable symptoms, particularly in combination with other factors like increased stress, poorer sleep, and metabolic changes that commonly occur in this decade.
Signs and Symptoms
- Significant fatigue and low drive
- Reduced libido and sexual performance
- Difficulty maintaining muscle and losing fat
- Mood changes, irritability, or depression
- Reduced motivation or competitive drive
- Sleep disturbances
Common Questions
Should every man in his 40s get his testosterone checked?
It's not universal screening, but men experiencing the symptoms described above should consider getting labs. A simple blood test can provide clarity about whether low T is contributing to their symptoms.
Ready to Get Started?
Complete a brief online intake. A licensed provider will review your information and determine if treatment is appropriate for you.
Medical Disclaimer: The information on this page is provided for educational purposes only and does not constitute medical advice. OakMD is a telemedicine platform. All treatments are prescription-based, subject to provider review, and may not be appropriate for all individuals. A licensed provider will evaluate your medical history and determine eligibility. Consult a qualified healthcare professional before starting any new treatment.