Hormone evaluation for men: what gets tested, and why

The common set is fatigue that sleep does not resolve, reduced motivation and drive, difficulty holding muscle despite training, increased central fat, low mood or irritability, and reduced libido or erectile difficulty.

That list is real and worth investigating. It is also entirely non-specific. Every symptom on it is produced by several conditions that have nothing to do with testosterone, and some of those conditions are more common and more consequential.

Sleep apnoea is the one most often missed, and it causes this exact picture. So does depression. So does thyroid disease, poorly controlled blood sugar, iron deficiency, excessive alcohol, chronic under-recovery from training, and a number of common medications.

An evaluation that goes straight from this symptom list to a prescription is not an evaluation. It is a sale, and it can leave a treatable and sometimes serious condition undiagnosed.

Where the diagnosis is genuine and confirmed, testosterone therapy can meaningfully improve symptoms in appropriate candidates. Specialty guidance supports treating men with consistently low levels and consistent symptoms, rather than treating a number in isolation or a symptom list in isolation.

Therapy is ongoing rather than a course. It requires monitoring: symptoms, testosterone level, red blood cell count, which can rise on therapy, and prostate considerations appropriate to age. Monitoring is not an administrative add-on. It is the part that keeps treatment sensible.

The effects on fertility deserve repeating because they are frequently glossed over. Testosterone therapy suppresses the body's own production and reduces sperm output, sometimes durably. For men who may want children, that conversation comes first, and different approaches exist.

We will also say where therapy is not indicated. A borderline level with a clear alternative explanation for the symptoms is not a reason to start lifelong treatment, and treating it that way can mean an undiagnosed sleep disorder or depression goes unaddressed for years.

Sleep is the largest modifiable factor, and untreated sleep apnoea in particular suppresses testosterone. Diagnosing and treating it changes both the level and the symptoms, and it addresses a genuine cardiovascular risk at the same time.

Excess weight, especially central fat, lowers testosterone through a mechanism that then makes weight harder to shift. Weight management can improve the picture on its own, which is one of the reasons the weight programme and the hormone assessment often run together.

Alcohol, chronic under-recovery, and certain medications all contribute. None of that is exciting, and telling a man that his sleep and his alcohol intake matter more than a prescription is not the popular answer. It is frequently the correct one.