Tired, flat and off sex? Low testosterone is possible, but it’s rarer than the adverts suggest. Here’s how to get tested properly and what actually helps.
Somewhere around 50, the algorithm works out who you are. Suddenly your phone is full of men your age with suspiciously good forearms, telling you that your tiredness, your belly and your lukewarm interest in the bedroom all come down to one thing: low T. And luckily, they sell the cure.
Testosterone is real medicine for men who genuinely lack it. But it isn’t a lifestyle upgrade, and for most tired middle-aged men it isn’t the answer. Here’s how to tell which group you’re in.
Not in the way the name suggests. NHS guidance calls “male menopause” an unhelpful and misleading term, because it implies a sudden hormonal crash like the one women go through. That doesn’t happen to men.
What does happen is a slow drift. The Men’s Health Forum points out that testosterone falls slightly with age, and some men end up with much less at 80 than they had at 20. For most men in their 40s and 50s, though, the drop is gentle and causes no symptoms.
The things that drag testosterone down hardest in midlife tend to be the ones you can do something about: carrying extra weight, especially round the middle, type 2 diabetes, poor sleep (including untreated sleep apnoea), heavy drinking, long-term stress and some medicines. Being ill can lower your levels too, and so can just being run down.
So the honest answer is that genuine testosterone deficiency exists and deserves treatment. It’s simply much less common than the marketing would have you believe.
This is where it gets awkward, because the classic symptoms are also a list of what being 52 with a stressful job and a teenager in the house feels like:
Low sex drive. Erection problems, especially fewer morning erections. Tiredness. Losing muscle and putting on fat. Low mood, irritability or poor concentration. Hot flushes and sweats are less common, but they do happen.
Every one of these has other possible causes. Depression, thyroid problems, anaemia, diabetes, heart disease and plain exhaustion can all look much the same. Erection problems in particular can be an early warning of trouble in your blood vessels, which is a good reason to see your GP about them rather than order something online.
Losing interest in sex while your erections are fine is more suggestive of a hormone problem. Erections failing while desire is still there points more towards blood flow, nerves or nerves of the other kind. It’s a rough rule, not a diagnosis.
Start with your GP. If your symptoms fit, they can arrange a blood test. The NHS says that if the results suggest a deficiency, you may be referred to an endocrinologist, a specialist in hormones, who will confirm the diagnosis before any treatment.
How the test is done matters. Testosterone is highest in the morning and varies from day to day, so a proper test is taken early, usually before about 11am, and a low result is repeated before anyone draws conclusions. A single afternoon reading from a home kit doesn’t prove much either way.
Your GP may also check things that can mimic or cause low testosterone, such as blood sugar, thyroid function, iron levels and a hormone made by the pituitary gland, which helps show whether the problem starts in the testicles or the brain.
One thing worth knowing: the free NHS Health Check offered to adults aged 40 to 74 in England checks your heart, diabetes and stroke risk, not your hormones. Scotland, Wales and Northern Ireland don’t run the same scheme, so if you live there, ask your GP practice about a check-up. Wherever you live, if you want your testosterone looked at, you’ll need to raise it yourself.
Testosterone treats a deficiency. It doesn’t treat being 50, and it was never meant to.
For men with a confirmed deficiency, yes. Treatment usually comes as a daily gel rubbed into the skin or as injections. It often improves sex drive, and can help with energy, mood, muscle and bone strength. The NHS says it should relieve symptoms once a deficiency is confirmed.
The evidence is much thinner for men whose levels are normal or borderline. Taking extra testosterone won’t turn you into a younger man if your hormones weren’t the problem in the first place.
There are trade-offs too. Testosterone can thicken the blood by raising red blood cell levels, so you’ll need regular blood tests. It affects the prostate, so your PSA will be monitored. It can make sleep apnoea worse. And it shuts down sperm production, which matters if you’re still hoping to have children.
Heart safety used to be a big worry. A large American trial in men with low testosterone and a raised heart risk was broadly reassuring on heart attacks and strokes, but it doesn’t make the treatment risk-free and doesn’t apply to men with normal levels. Gel also needs care: skin contact can pass it to a partner or children.
Private clinics are growing fast, and some advertise “optimisation” for men whose results fall in the normal range. If you go private, choose a regulated clinic that does proper baseline tests, repeats low results and monitors you over time. Testosterone is a prescription-only medicine and a controlled drug in the UK. Buying it from a gym contact or an overseas website is a bad idea in every way.
The dull answer is also the one with the best evidence.
Lose some weight if you need to. Excess body fat turns testosterone into oestrogen, and losing weight often raises testosterone levels in heavier men. You don’t need to drop from 17 stone (108kg) to a male model’s weight. Even a modest loss helps.
Lift heavy things. Resistance training two or three times a week builds the muscle that low testosterone takes away, whatever your hormone levels turn out to be.
Sleep properly. Most testosterone is made while you sleep. If you snore loudly, wake up gasping or feel exhausted however long you’ve slept, ask your GP about sleep apnoea.
Drink less. Keep to no more than 14 units a week, spread over several days, with some alcohol-free days.
As for the “testosterone booster” supplements: zinc and vitamin D help only if you’re actually short of them, and there’s little good evidence that herbal blends like fenugreek or tribulus do much for most men. Mostly they make your wallet lighter.
If your symptoms carry on, or you have erection problems, low mood or ongoing tiredness, book a GP appointment. If you’re having thoughts of harming yourself, call NHS 111 or, in an emergency, 999.
Testosterone falls slowly with age, but the sudden male menopause is a myth, and most tired, flat middle-aged men have normal levels. If you have symptoms, ask your GP for a proper morning blood test, repeated if the result is low. Testosterone replacement works well for men with a confirmed deficiency, but it needs monitoring and isn’t a youth drug. For everyone else, losing weight, strength training, better sleep and less alcohol are the treatments with the best evidence.
Feeling flat, tired and short-tempered in your fifties? Low testosterone is one possible cause, but often not the main one. Here’s how to tell, and how to get tested on the NHS.
Poor sleep does more than make you grumpy. It nudges up your weight, your blood pressure and your testosterone problems. Here is what works to fix it.
Testosterone falls slowly with age, but genuine deficiency is less common than the adverts suggest. What counts as normal, when to see your GP, and NHS versus private TRT.
Tired, flabbier and less keen than you used to be? Before you buy a testosterone booster, here’s what actually moves the needle in midlife and what’s mostly marketing.
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