There’s a version of male ageing that’s become so familiar we’ve stopped questioning it. Energy drops. Interest fades. The man who used to be the life of the party just… stops showing up. His partner wonders where he went. He probably wonders too.
Dan Leach hears this story constantly.
Dan runs Valens Health, a UK-based hormone optimisation clinic focused on men’s health, though as our conversation made clear, hormones are very much a shared concern. His path into this work started personally, noticing his own vitality shifting in his 40s and finding that mainstream medicine didn’t have much to offer beyond a shrug. So he built something that did.
The core problem, he explained, is that conventional medicine is set up to treat disease. Hormonal decline in men involves gradual drops in testosterone, DHEA, and thyroid from age 40 onward. It often doesn’t register as pathology. The numbers land inside the “normal range.” The patient gets sent home. Nothing changes.
But the normal range is enormous. And there’s a significant difference between landing somewhere in that range and being where you were in your prime.
That distinction is what Valens Health is built around. Dan calls it hormone optimisation rather than replacement: finding where each person actually functions best, not just keeping them out of the red zone.
The testosterone conversation tends to carry a lot of baggage. People hear the word and think aggression, shortcuts, something vaguely illicit. Dan’s reframe is simple: testosterone doesn’t make you someone else. It makes you more of who you already are. If your energy has dropped off, your libido has gone quiet, you’ve lost motivation and muscle mass: it amplifies what’s been suppressed. The lights come back on.
I’ve been taking prescription testosterone myself for a few months now, and the difference has been real. Better focus. More physical stamina. More interest in things generally, including sex. I wouldn’t have discovered it through a doctor. I found out through a friend. That’s a story I hear far too often.
One thing I hadn’t known about before talking to Dan: DHEA. It’s not a hormone most people have heard of, but it plays a critical role in whether your body can actually use the testosterone it has. Some men have reasonable testosterone levels and still feel terrible, because the activation pathway isn’t working. DHEA is essentially the key that turns the lock. Adding it, Dan said, tends to produce a fast, noticeable effect.
Thyroid rounds out the picture. It sets the pace for your entire metabolism. When it drops, even to a level that still reads as “normal” on a standard test, everything slows: mood, energy, concentration, libido. Optimising all three together is where people start describing themselves as feeling 30 again at 57.
There’s also a serious health reason not to ignore this. Dan was clear that unreliable erections aren’t just a sex problem. They’re a cardiovascular signal. Around 80% of men who start experiencing them regularly will go on to have a significant cardiac event within five years. It’s worth paying attention to.
Valens Health works remotely, which Dan says most patients actually prefer. It starts with a free consultation and comprehensive bloodwork. The premium package, a dedicated doctor and ongoing optimization for a full year, runs £1,800, payable in instalments.
Dan put it simply toward the end of our conversation: isn’t life about feeling as good as we can? Most men have been told the answer is no, that decline is just the deal. It doesn’t have to be.
Key Takeaways
Testosterone, DHEA, and thyroid all decline from age 40 onward. “Within normal range” doesn’t mean optimal.
DHEA helps the body activate testosterone. Some men have adequate levels but can’t use them properly.
Unreliable erections are a cardiovascular signal, not just a sex problem. Around 80% of men who experience them regularly go on to have a significant cardiac event within five years.
Testosterone doesn’t cause aggression. It amplifies who you already are.
Valens Health works remotely. The premium programme is £1,800/year, payable in instalments.
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